{"collection":"Parapsychology","page":1,"pages":[{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_index_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_index_htm","source":"sacred_texts_v1","summary":"","title":"Clairvoyance Index","word_count":86},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv02_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv02_htm","source":"sacred_texts_v1","summary":"*Clairvoyance* (1899) is a Theosophical treatise by C.W. Leadbeater presenting clairvoyance not as a supernatural gift but as an extension of ordinary sensory perception along a spectrum of vibrations that physical organs currently cannot detect. Leadbeater's central argument is that since science already acknowledges vibrations beyond the ranges visible to the eye or audible to the ear \u2014 ultraviolet, infrared, X-rays \u2014 clairvoyance is simply the developed capacity to perceive those additional registers, making it latent in all humans rather than exceptional in a few. He draws on contemporary physics (the visible spectrum, the R\u00f6ntgen/X-ray experiments) to frame psychic perception as naturalistic, then extends this framework into Theosophical cosmology, positing that beyond expanded physical-etheric senses, humans also possess astral and mental bodies capable of perceiving progressively subtler \"planes\" of matter. The work is explicitly written for readers already committed to Theosophy and familiar with its terminology \u2014 Leadbeater states outright he is not arguing for clairvoyance's existence but describing its mechanics and varieties for the already-convinced. Its distinctive move is to position occult phenomena as continuous with, rather than categorically different from, mainstream natural science, using the language of waves and vibrations as a bridge between physics and esoteric doctrine.","title":"Clairvoyance: Chapter I. What Clairvoyance Is","word_count":5617},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv03_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv03_htm","source":"sacred_texts_v1","summary":"We have defined this as a mere opening of etheric or astral sight, which enables the possessor to see whatever may be present around him on corresponding levels, but is not usually accompanied by the power of seeing anything at a great distance or of reading either the past or the future. It is hardly possible altogether to exclude these latter faculties, for astral sight necessarily has considerably greater extension than physical, and fragmentary pictures of both past and future are often\u2026","title":"Clairvoyance: Chapter II. Simple Clairvoyance: Full","word_count":5023},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv04_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv04_htm","source":"sacred_texts_v1","summary":"The experiences of the untrained clairvoyant\u2014and be it remembered that that class includes all European clairvoyants except a very few\u2014will, however, usually fall very far short of what I have attempted to indicate; they will fall short in many different ways\u2014in degree, in variety, or in permanence, and above all in precision. Sometimes, for example, a man's clairvoyance will be permanent, but very partial, extending only perhaps to one or two classes of the phenomena observable; he will find\u2026","title":"Clairvoyance: Chapter III. Simple Clairvoyance: Partial","word_count":1714},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv05_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv05_htm","source":"sacred_texts_v1","summary":"*Clairvoyance* (1899) is a Theosophical treatise by C.W. Leadbeater that systematically classifies and explains the mechanics of clairvoyant perception, written from within the occultist tradition of the Theosophical Society. The text distinguishes between intentional, semi-intentional, and unintentional clairvoyance, then focuses on how a trained seer can remotely observe distant events through \"astral\" means rather than ordinary physical senses. Leadbeater engages seriously with a radiation-based hypothesis for clairvoyance \u2014 the idea that objects emit continuous subtle emanations \u2014 before dismissing it as practically unworkable and instead cataloguing five actual methods, including magical assistance from nature-spirits and the construction of what he calls an \"astral current\": a temporary, tube-like conductor of aligned astral matter, analogous to a telescope, through which the seer views distant scenes while remaining physically present. This astral-telescope method is presented with notable pseudo-technical specificity, complete with limitations (fixed field of view, vulnerability to crossing astral currents) that mirror those of physical optics. The work's distinctive character lies in its confident, quasi-scientific tone \u2014 treating astral planes, Atlantean magic, and nature-spirits as empirical facts requiring classification rather than belief \u2014 making it a primary example of late-Victorian occultism dressed in the language of systematic inquiry.","title":"Clairvoyance: Chapter IV. Clairvoyance in Space: Intentional","word_count":6075},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv10_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv10_htm","source":"sacred_texts_v1","summary":"*Clairvoyance* (1899) by C.W. Leadbeater is a Theosophical instructional text advising aspirants on how to safely develop clairvoyant faculty. Leadbeater systematically dismisses nearly all common methods of inducing clairvoyance \u2014 drugs, whirling dances, self-hypnosis, breath regulation, and mesmerism \u2014 as unsafe for the untrained practitioner, reserving his approval only for two approaches: daily meditation directed toward a spiritual ideal, and the morally rigorous path of self-development that eventually brings a student to the attention of the \"Great White Brotherhood\" of Adepts who provide genuine training. The work takes a strongly hierarchical view of esoteric knowledge, insisting that real instruction cannot be bought or found through advertised teachers or occult societies, but only earned through inner moral qualification. A distinctive claim is Leadbeater's frank warning that clairvoyance is not an unmixed blessing \u2014 the opened seer is burdened by an acute perception of the world's suffering \u2014 though he argues this distress resolves as the clairvoyant comes to perceive the underlying order behind apparent evil. The text also defends trained clairvoyants against accusations of invading others' privacy, arguing that genuine practitioners have no interest in petty human secrets and are in any case bound by ethical restrictions on the faculty's use.","title":"Clairvoyance: Chapter IX. Methods of Development","word_count":3062},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv06_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv06_htm","source":"sacred_texts_v1","summary":"Under this rather curious title I am grouping together the cases of all those people who definitely set themselves to see something, but have no idea what the something will be, and no control over the sight after the visions have begun\u2014psychic Micawbers, who put themselves into a receptive condition, and then simply wait for something to turn up. Many trance-mediums would come under this heading; they either in some way hypnotize themselves or are hypnotized by some \"spirit-guide\", and then\u2026","title":"Clairvoyance: Chapter V. Clairvoyance in Space: Semi-Inte...","word_count":835},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv07_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv07_htm","source":"sacred_texts_v1","summary":"This is a chapter from C.W. Leadbeater's 1899 Theosophical treatise on clairvoyance, specifically addressing spontaneous, unprepared visions of distant events \u2014 what he calls casual or involuntary clairvoyance. Leadbeater argues that such visions fall into distinct categories depending on their cause: some are arranged by \"Invisible Helpers\" (spirit guides) who transport a receptive person's astral body to a scene of need, as in the case of Captain Yonnt's dream that led him to rescue snowbound emigrants; others arise from emotional or affective bonds between people that create an \"astral current\" or \"astral telescope\" through which one party perceives what another is experiencing, illustrated by accounts of wives witnessing their wounded husbands on distant battlefields. A third category consists of apparently meaningless visions \u2014 vivid, cinema-like glimpses of unknown places \u2014 which Leadbeater treats as genuine astral perception rather than imagination, citing a witness account of watching a moonlit coast and then a reading-room in perfect detail with eyes closed. Throughout, Leadbeater draws on case studies from W.T. Stead's *Real Ghost Stories* and the *Proceedings of the Psychical Research Society*, treating these as empirical evidence within a Theosophical cosmology of astral bodies and planes. The work is distinctive for its confident classificatory project: rather than debating whether clairvoyance exists, it assumes the phenomenon and focuses on mechanistic explanation, making it useful for someone interested in late Victorian occultism, Theosophy, or the cultural history of psychical research.","title":"Clairvoyance: Chapter VI. Clairvoyance in Space: Unintent...","word_count":2205},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv08_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv08_htm","source":"sacred_texts_v1","summary":"This is a chapter from C.W. Leadbeater's 1899 Theosophical treatise on clairvoyance, specifically addressing the mechanism by which clairvoyants perceive past and future events. The central argument is that such perception works by reading the \"Akashic records\" \u2014 not mere astral-plane impressions but records existing on the mental plane, which Leadbeater identifies as the first level where reliable access is possible. He builds a cosmological framework to explain why these records exist at all: a divine being called the Logos conceived the entire solar system into existence, and because all events occur within His consciousness, the \"true record\" is literally His memory, with everything perceptible to humans being only a downstream reflection of that. A key practical claim distinguishes the astral plane (where records are fragmentary and distorted, like reflections in choppy water) from the mental plane (where three independent clairvoyants would see identical, accurate impressions of the same event). The text is frank about its own limits, repeatedly acknowledging that full comprehension requires evolved faculties beyond current humanity. Readers drawn to late-Victorian occultism, Theosophy, or the history of esoteric cosmology will find it a detailed primary source; those seeking empirical or philosophical rigor will find the claims asserted rather than argued.","title":"Clairvoyance: Chapter VII. Clairvoyance in Time: The Past","word_count":8738},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv01_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv01_htm","source":"sacred_texts_v1","summary":"","title":"Clairvoyance: Contents","word_count":105},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv11_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv11_htm","source":"sacred_texts_v1","summary":"*Clairvoyance* (1899) by C.W. Leadbeater is a Theosophical treatise \u2014 the index provided is an alphabetical subject index rather than the full text \u2014 systematically cataloguing the phenomena, mechanisms, and development of psychic sight within the occultist tradition associated with the Theosophical Society. The book covers the taxonomy of clairvoyant phenomena (astral, etheric, and mental-plane vision; crystal-gazing; second sight; clairaudience), their physiological and metaphysical bases (the astral body, etheric double, causal body, Buddhic faculty, cerebro-spinal and sympathetic systems), and the conditions under which they arise \u2014 during sleep, under mesmerism, via drugs or ceremonies, or through disciplined development. A substantial portion is given to anecdotal case studies: named and unnamed stories of apparitions, premonitions, murder reproductions, phantom armies, and visits at death, treated as evidential rather than folkloric. Distinctively, Leadbeater integrates Theosophical cosmology throughout \u2014 referencing the Logos, the Masters of Wisdom, Poseidonis (Atlantis), devas, and nature spirits \u2014 situating clairvoyance not as a curiosity but as a faculty latent in all humans that unfolds through ethical training and meditation under qualified teachers. The work also addresses the ethics and limits of psychic perception, warning against trivial use, curiosity-driven intrusion on privacy, and development through \"lower\" means like voodoo or drugs.","title":"Clairvoyance: Index","word_count":873},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_clrv_clrv00_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_clrv_clrv00_htm","source":"sacred_texts_v1","summary":"Sacred Texts\u00a0\n Parapsychology\u00a0\n Theosophy\u00a0\n Index\u00a0\n Next\u00a0\n \nBuy this Book at Amazon.com\n \n \nClairvoyance, by C.W. Leadbeater, [1899]\n CLAIRVOYANCE\n by C. W.","title":"Clairvoyance: Title Page","word_count":30},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_index_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_index_htm","source":"sacred_texts_v1","summary":"| | Extra-Sensory Perception by J.B. Rhine [1934] | \nAlthough this was not the first appearance of the term 'Extrasensory Perception' in print, this book was the first one which brought ESP to the foreground. Even in Mental Radio, which preceded this study (in 1930), there was no general agreement as to what to call the phenomena.","title":"Extra-Sensory Perception Index","word_count":247},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp01_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp01_htm","source":"sacred_texts_v1","summary":"","title":"Extra-Sensory Perception: Contents","word_count":291},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_errata_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_errata_htm","source":"sacred_texts_v1","summary":"page vii: 'renegrade'->'renegade'\npage 25: 'remarkabl'->'remarkable'\npage 42: 'chi dhood'->'childhood'\npage 59: 'reponses'->'responses'\npage 62: 'arrangment'->'arrangement'\npage 127: 'alchohol'->'alcohol'\npage 143: 'psychollogical'->'psychological'\npage 169: 'mathematicans'->'mathematicians'","title":"Extra-Sensory Perception: Errata","word_count":25},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp03_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp03_htm","source":"sacred_texts_v1","summary":"This is the foreword to J.B. Rhine's 1934 book *Extra-Sensory Perception*, written by psychologist William McDougall, who supervised the research at Duke University. McDougall argues that conducting psychical research within a university setting both legitimizes the field and benefits students through rigorous scientific training, positioning Rhine's experiments as the first serious academic fruit of this approach. The bulk of the foreword is a character testimony for Rhine and his wife Louisa, both former biologists who abandoned conventional academic careers to pursue parapsychology \u2014 a sacrifice McDougall frames as evidence of extraordinary intellectual integrity and scientific seriousness rather than occult enthusiasm. McDougall directly addresses the obvious objection that collaborators may have deceived Rhine, dismissing it on the grounds that the number of participants, the extended duration of the experiments, and the deliberately controlled conditions make coordinated fraud implausible. The foreword's most distinctive feature is its explicit argument that a researcher's personal character is a legitimate and necessary criterion for evaluating anomalous scientific claims \u2014 McDougall openly states his credence in any psychic research report depends heavily on his assessment of the author's honesty. Readers considering the full text should know this introduction functions as a credentialing document as much as a scientific preface, setting up Rhine's ESP card-testing experiments as both methodologically sound and morally trustworthy.","title":"Extra-Sensory Perception: Foreword","word_count":1624},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp04_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp04_htm","source":"sacred_texts_v1","summary":"This is a foreword or preface \u2014 written by an established researcher endorsing J. B. Rhine's 1934 monograph *Extra-Sensory Perception* \u2014 situated within the early twentieth-century tradition of scientific psychical research. The text argues that Rhine's three-year experimental program at Duke University constitutes the most rigorous and voluminous investigation of telepathy and clairvoyance ever conducted, surpassing all prior efforts in duration, number of trials, institutional oversight, and methodological diversity. The author systematically addresses likely skeptical objections \u2014 unconscious whispering, unwitnessed trials, fraud \u2014 contending that the sheer variety and redundancy of controlled conditions makes any deception hypothesis implausible. A distinctive element is the author's own self-experiment: 5,000 card-guessing trials that produced results indistinguishable from chance, offered as a personal baseline to sharpen the contrast with Rhine's high-scoring subjects. The piece also highlights Rhine's finding that psychological and physiological variables (illness, boredom, drugs, sudden environmental changes) systematically affected scores in ways that pure random guessing could not explain, treating this as strong mechanistic evidence for a real perceptual faculty. The tone is that of a credentialed insider making a formal scientific case, not a popular advocate, and the author closes with a reader's guide directing non-specialists to the book's most statistically compelling sections first.","title":"Extra-Sensory Perception: Introduction by Dr. Walter Franklin Prince","word_count":1998},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp05_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp05_htm","source":"sacred_texts_v1","summary":"| E.S.P. | Extra-Sensory Perception. Perception without the function of the recognized senses.","title":"Extra-Sensory Perception: List of Abbreviations","word_count":314},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp02_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp02_htm","source":"sacred_texts_v1","summary":"","title":"Extra-Sensory Perception: List of Illustrations","word_count":90},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_pageidx_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_pageidx_htm","source":"sacred_texts_v1","summary":"Index\n Extra-Sensory Perception: Page Index\n \n page i\n page ii\n \n page iii\n \n page iv\n \n page v\n page vi\n page vii\n page viii\n \n page ix\n page x\n page xi\n page xii\n page xiii\n \n page xiv\n \n page 1\n page 2\n page 3\n page 4\n \n page 5\n page 6\n page 7\n page 8\n page 9\n page 10\n page 11\n page 12\n page 13\n page 14\n \n page 15\n page 16\n page 17\n page 18\n page 19\n page 20\n page 21\n page 22\n page 23\n page 24\n page 25\n page 26\n page 27\n page 28\n page 29\n page 30\n page 31\n \n page 32\n page 33\n page 34\n \n page\u2026","title":"Extra-Sensory Perception: Page Index","word_count":371},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp09_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp09_htm","source":"sacred_texts_v1","summary":"This is a methodological chapter from J. B. Rhine's 1934 foundational parapsychology text, explaining the statistical framework he uses to evaluate ESP card-guessing experiments. Rhine describes how he applies standard probability math to his five-symbol card trials (1/5 chance per guess), computing a \"critical ratio\" he calls X (deviation divided by probable error) as an index of how strongly results depart from chance \u2014 a value of 4 or above, representing 142-to-1 odds against chance, being his threshold for significance. The most distinctive contribution is Rhine's proposed formula for combining X-values across separate experimental groups: rather than pooling all results together (which he argues would dilute high-scoring subjects among low scorers), he takes the square root of the sum of squares of individual X-values to produce a composite anti-chance index. He acknowledges this formula is not found in existing statistical literature and is offered tentatively, defending it primarily on the grounds that it errs conservatively and that he verified it empirically by subdividing large datasets and confirming the formula reproduces the directly computed X-value. The chapter is essentially a transparent accounting of Rhine's statistical toolkit, written accessibly for non-mathematicians while engaging seriously with the problem of aggregating evidence across heterogeneous experimental conditions \u2014 a problem still live in meta-analysis today.","title":"Extra-Sensory Perception: Part I. General Introduction: Appendix to Chapter 2. Mathematics of Probability Used in Evaluation","word_count":1731},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp07_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp07_htm","source":"sacred_texts_v1","summary":"It is logically the first duty in making this report to bring into clear outline at once the particular field of study in which the work reported here has been performed, and to clarify at the start the special problem from this field which we are attempting to help to solve. It may well be that some readers will not agree with the outline drawn or with the statement of the problem given; at any rate, it is hoped they will understand the objective and orientation of the work after following the\u2026","title":"Extra-Sensory Perception: Part I. General Introduction: Chapter 1. Clarification of the Problem","word_count":4084},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp08_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp08_htm","source":"sacred_texts_v1","summary":"This is an academic monograph from 1934 by J.B. Rhine, a founding figure of parapsychology, presenting the scientific case for extra-sensory perception (ESP) through a survey of evidence ranging from spontaneous phenomena to controlled laboratory experiments. Rhine organizes ESP evidence into a taxonomy covering telepathy (mind-to-mind), clairvoyance (perception of physical objects), and variations across distance and time, arguing that the full range of potentially perceivable phenomena remains undefined because its underlying principles are still unknown. The text traces the methodological progression of ESP research from large-scale surveys of spontaneous psychic incidents \u2014 compiled by the Society for Psychical Research, showing estimated frequencies of 1-in-4 to 1-in-10 among the general population \u2014 through observational studies of professional sensitives (dowsers, psychometrists), up to more controlled laboratory experiments. A central critical argument Rhine makes is that early experimental work, though rigorously designed to exclude sensory cues and chance, was fatally limited by conflating telepathy with clairvoyance and never actually ruling out the latter \u2014 a methodological flaw Rhine frames as a broader cautionary example of hypothesis-blindness in scientific inquiry. The work is distinctive for its insistence that answering whether ESP exists can potentially be settled by careful observation, but that determining its nature requires true experimental manipulation and the deliberate variation of conditions to isolate underlying factors. Rhine writes with the stance of a scientist attempting to legitimize a contested field, defending the quality of prior investigators while pressing for more rigorous experimental design.","title":"Extra-Sensory Perception: Part I. General Introduction: Chapter 2. Historical Background","word_count":8406},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp11_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp11_htm","source":"sacred_texts_v1","summary":"This is a chapter from J.B. Rhine's 1934 academic monograph *Extra-Sensory Perception*, reporting the early experimental work at Duke University that founded modern parapsychology as a laboratory science. Rhine describes his dual goals: producing mathematically rigorous proof of ESP's existence and understanding its psychological and physiological conditions. The chapter chronicles the actual experimental progression \u2014 beginning with hypnotic trance-telepathy trials (using numerals, hand-raising, and octant-circle methods), then shifting to waking-state clairvoyance tests using sealed envelopes \u2014 with Rhine presenting raw trial counts, hit rates, and deviations from chance expectation in statistical tables. Results across all early experiments were marginal and inconclusive by his own admission, hovering near chance (the strongest result was 2.6 times the probable error), yet Rhine frames continued experimentation as justified by the cumulative trend. A notably distinctive feature is Rhine's candid, exploratory methodology: he openly acknowledges improvised procedures, evolving conditions, and the difficulty of controlling for human variability, arguing that rigid experimental design is incompatible with early-stage psychical research. The text reads as a scientist's honest field log rather than a triumphant proof, making it valuable to anyone interested in the history of experimental psychology, the contested boundary between science and parapsychology, or the methodological challenges of studying anomalous cognition.","title":"Extra-Sensory Perception: Part II. The Experimental Resul...","word_count":6480},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp14_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp14_htm","source":"sacred_texts_v1","summary":"Of all the eight \"major subjects\" Mr. Pearce has done the greatest amount of work and has been put through the greatest variety of conditions. He has been relatively very stable in his scoring in spite of these conditions and has been very co-operative throughout.","title":"Extra-Sensory Perception: Part II. The Experimental Resul...","word_count":7826},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp10_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp10_htm","source":"sacred_texts_v1","summary":"This is a scientific research monograph by parapsychologist J. B. Rhine, reporting on more than 90,000 card-guessing trials conducted at Duke University between roughly 1930 and 1934 to test for extra-sensory perception \u2014 specifically telepathy and clairvoyance. The core method involves subjects guessing concealed symbols on cards (most often a five-symbol set including circle, star, and plus sign), with results evaluated statistically against chance expectation. Rhine documents a progression from modest, inconclusive group experiments toward individual subjects who scored dramatically above chance: the standout case is A. J. Linzmayer, who in one early 600-trial run averaged roughly 10 correct guesses per 25 (double the chance rate of 5), including one series of 25 where he got 21 right. A recurring and distinctive observation throughout is what Rhine calls the \"decline effect\" \u2014 the tendency for high-scoring subjects to regress toward chance performance over time or within a single session, which he treats not as evidence against ESP but as a psychologically meaningful phenomenon worth studying. The book's core argument is that the statistical deviations produced by the best subjects are so far above chance (often 6\u201318 times the probable error) that they constitute scientific evidence for a genuine perceptual faculty operating beyond the known senses.","title":"Extra-Sensory Perception: Part II. The Experimental Results: Chapter 3. A General Survey","word_count":5878},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp12_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp12_htm","source":"sacred_texts_v1","summary":"This is an excerpt from J.B. Rhine's 1934 monograph *Extra-Sensory Perception*, the foundational scientific text of parapsychology research at Duke University, written in the tradition of empirical psychology and psychical research. The work documents controlled laboratory experiments testing whether a subject \u2014 here, undergraduate A.J. Linzmayer \u2014 can correctly identify hidden Zener cards at rates statistically far exceeding chance, as evidence for telepathy and clairvoyance. Rhine presents detailed trial-by-trial statistics showing Linzmayer achieving hit rates roughly double chance expectation across hundreds of trials, with odds against chance reaching into the trillions-to-one range under conditions designed to exclude sensory cues (screened cards, ambient noise to mask whispers, eyes averted). A distinctive feature is Rhine's methodological candor: he describes not only the impressive positive results but also deliberate experiments to *suppress* Linzmayer's scoring by exploiting his psychological state \u2014 pushing him to work while fatigued and reluctant \u2014 producing consistent below-chance results he interprets as further evidence that the effect is real and subject-dependent rather than artifactual. The excerpt is notably careful about fraud prevention, documenting surveillance, motor noise to prevent auditory leakage, and new unhandled cards, while also candidly acknowledging the subject's suggestibility and mental-state dependence as variables.","title":"Extra-Sensory Perception: Part II. The Experimental Results: Chapter 5. A. J. Linzmayer","word_count":4510},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp13_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp13_htm","source":"sacred_texts_v1","summary":"This is a chapter from J. B. Rhine's *Extra-Sensory Perception* (1934), the foundational academic work that established experimental parapsychology as a laboratory discipline. The chapter presents detailed statistical results from card-guessing experiments conducted with a subject named Stuart, a graduate psychology student, who attempted to identify hidden Zener cards through what Rhine terms \"clairvoyant perception\" and \"pure telepathy.\" Rhine's central argument is that Stuart's results \u2014 across roughly 14,700 trials yielding a statistical deviation 21+ times the probable error \u2014 are so far beyond chance expectation as to constitute scientific evidence for extrasensory perception. A distinctive feature is Rhine's attention to the *decline effect*: Stuart's hit rate consistently fell over long experimental runs before recovering when sessions were interrupted, a pattern Rhine treats as psychologically meaningful rather than as an artifact undermining the data. The chapter also documents Stuart's experiments comparing deliberate \"high-score\" and \"low-score\" calls on the same cards, finding symmetric above- and below-chance deviations, which Rhine presents as evidence of genuine cognitive control over the effect. The work is notable for its earnest application of statistical methodology (probable error ratios, sectional analysis) to phenomena that mainstream science has since rejected, making it as much a document of early 20th-century scientific culture as a parapsychology text.","title":"Extra-Sensory Perception: Part II. The Experimental Results: Chapter 6. Charles E. Stuart","word_count":2698},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp15_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp15_htm","source":"sacred_texts_v1","summary":"It will be convenient to complete the presentation of the other five principal subjects as something of a single unit of contribution, partly in the interest of economizing space and partly because they have, because of their relative newness, each one contributed fewer data than the three already reported on, but chiefly because these subjects have worked together a great deal and their data correlate well. One subject, for\nexample, has acted as agent in telepathic work for each of the other\u2026","title":"Extra-Sensory Perception: Part II. The Experimental Results: Chapter 8. Five Other Major Subjects","word_count":11737},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp23_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp23_htm","source":"sacred_texts_v1","summary":"This is a practical methodology section from J.B. Rhine's foundational 1934 parapsychology monograph *Extra-Sensory Perception*, which established the laboratory study of ESP at Duke University and launched the modern experimental tradition in parapsychology. The passage consists of twelve procedural recommendations for researchers wishing to replicate Rhine's card-guessing experiments (using five-symbol Zener cards), covering subject selection, experimental atmosphere, pacing, and encouragement. Rhine's central practical argument is that ESP is a fragile, inhibition-prone faculty that requires relaxed, informal conditions, subject autonomy, and sustained trial runs \u2014 he warns that most subjects perform worst in their first 50\u2013100 trials, so short experiments will systematically fail to detect the effect. Distinctively, Rhine treats ESP as a natural phenomenon to be coaxed rather than controlled, explicitly criticizing experimenters who \"dictate conditions to Nature\" rather than adapting methodology to the subject's comfort. He also suggests that subjects with prior \"psychic\" experiences or such family history, and socially bonded pairs for telepathy trials, are the most promising candidates \u2014 a claim that reflects both his empirical observations and the selection biases that critics would later target. The passage is valuable for anyone studying the history of experimental psychology, the sociology of parapsychology as a would-be science, or the methodological debates around Rhine's work.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Appendix to Chapter 15. Suggestions to Those Who May Care to Repeat These Experiments","word_count":747},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp17_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp17_htm","source":"sacred_texts_v1","summary":"If one is reasonably sure that he is dealing with a process of reality that is not explainable by the commoner hypotheses of chance, fraud or error, he naturally must seek the explanation in some newer direction. [paragraph continues] It may be that the route to explanation will lead in a round-about way to old and known principles, as is the more common type of scientific advance, i.e., explaining the new in terms of the old. On the other hand, it may be that quite new principles of reality\u2026","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 10. Physical Conditions in the Functioning of E.S.P.","word_count":3870},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp18_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp18_htm","source":"sacred_texts_v1","summary":"If it is correct to assume some energetic causal relationship between the percipient and the agent or card, as, I think, our scientific logic requires, then the percipient is somehow intercepting energy of some kind in E.S.P., clear as we may feel that E.S.P. is not simply a phenomenon of shortwave transmission. But what is the receptor system by which this is done?","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 11. Some Physiological Conditions Affecting E.S.P.","word_count":2673},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp19_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp19_htm","source":"sacred_texts_v1","summary":"This is a chapter from J. B. Rhine's 1934 scientific monograph on extrasensory perception, the foundational text of modern experimental parapsychology, written in the style of empirical psychology. Rhine argues that the key mental conditions enabling ESP are a specific combination of sensory abstraction (withdrawal of attention from the physical senses) and heightened, non-sensory attention \u2014 what he calls \"concentration\" in a technical sense. He supports this with observational evidence from named laboratory subjects, noting that many enter light trance states during successful trials, that performance drops sharply under distraction or fatigue, and that stimulants like caffeine improve scoring rates by restoring alertness. A distinctive claim is that motivation and personal interest function causally through attention: the highest ESP scores in his dataset came from a couple (Zirkle and his fianc\u00e9e Ownbey), while a subject pushed to work against his will scored below chance \u2014 which Rhine interprets as unconscious negative volition actively misdirecting the faculty. He also reports that one subject's scores declined monotonically over 7,500 trials, which he attributes to waning interest rather than chance regression. The chapter is notable for treating ESP as a genuine but fragile cognitive function governed by the same psychological laws as ordinary perception, while methodically dismissing rival explanations like sensory leakage or a \"sixth sense\" organ.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 12. The Psychological Conditions and Bearings of the Results","word_count":6905},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp20_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp20_htm","source":"sacred_texts_v1","summary":"This is a chapter from J.B. Rhine's landmark 1934 experimental parapsychology monograph, written in the tradition of empirical laboratory science and presenting card-guessing trials as quantitative evidence for extrasensory perception. Rhine's central argument is that telepathy (perceiving another person's thoughts) and clairvoyance (perceiving physical objects directly) are not two distinct faculties but a single underlying perceptual process he terms ESP \u2014 distinguished only by whether the \"object\" perceived exists in ink or in a mind. His evidence comes from thousands of trials with seven subjects, who consistently scored at nearly identical above-chance rates under both conditions (averaging 8.1 hits per 25 for clairvoyance versus 7.9 for telepathy, against a chance baseline of 5), with day-to-day performance fluctuations rising and falling in tandem across both modes. Crucially, Rhine shows that every variable that affects one condition affects the other identically: sedatives (sodium amytal) suppressed both, stimulants (caffeine) raised both, illness and fatigue degraded both, and physical distance did not differentially impair either. The chapter's most distinctive claim is methodological \u2014 Rhine argues that prior European parapsychology (French researchers emphasizing clairvoyance, English researchers emphasizing telepathy) failed to test the relationship between the two, and that his controlled, separation-of-conditions design is the first to do so experimentally. A reader interested in the historical foundations of parapsychology as a would-be experimental science, or in early 20th-century debates about the nature of anomalous cognition, would find this essential primary source material.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 13. E.S.P. From the Viewpoint of General Parapsychology","word_count":3478},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp21_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp21_htm","source":"sacred_texts_v1","summary":"This is a chapter from J. B. Rhine's *Extra-Sensory Perception* (1934), the foundational academic text that established experimental parapsychology as a laboratory discipline at Duke University. The chapter covers three loosely connected topics: the possible heritability of ESP ability, its prevalence and distribution across the human population, and an observed \"species-level\" performance ceiling among Rhine's best subjects.\n\nOn heritability, Rhine reports that seven of his eight major subjects have relatives with reported psychic experiences, offering this as suggestive (though not statistically proven) evidence that ESP sensitivity may run in families. On prevalence, he argues that negative experimental results are never conclusive due to the demanding conditions ESP requires, and estimates\u2014based on his own graduate students\u2014that perhaps 50% of people may possess measurable ESP ability under ideal circumstances. Most distinctively, the chapter introduces Rhine's observation that his top subjects consistently score between 8 and 11 correct guesses out of 25 trials regardless of individual differences, which he interprets as a possible innate \"species ceiling\" analogous to the fixed sensory ranges (like hearing or vision) shared across a biological species\u2014a speculative but recurring claim that ESP may be a natural perceptual faculty rather than an anomaly.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 14. Some General Biological Considerations","word_count":3456},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp22_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp22_htm","source":"sacred_texts_v1","summary":"It seems likely that a table summarizing the general totals of those chapters giving the main figures would be of some convenience to the reader here. There are two columns showing X-values 1 (anti-chance) for the results, the last column giving that obtained by formula and the next to\nthe last, the X-value given by the pooled results. The formula method is,\nI believe, the more proper, but figures of both are so high as to leave dispute pointless.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 15. Summary and Concluding Remarks","word_count":2072},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp16_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp16_htm","source":"sacred_texts_v1","summary":"This is a chapter from J. B. Rhine's 1934 academic monograph *Extra-Sensory Perception*, a foundational text in parapsychology that established the statistical methodology for laboratory ESP research. The chapter systematically evaluates and refutes alternative explanations for Rhine's card-guessing experiments conducted at Duke University, in which subjects achieved hit rates far above chance expectation across roughly 90,000 trials. Rhine works through four hypotheses in order \u2014 chance, fraud, observer incompetence, and unconscious sensory perception \u2014 marshaling statistical arguments (probability values, X-scores reaching 111.2 times the probable error) and procedural controls (double witnessing, screened cards, distance trials up to 250 miles) to dismiss each. The work is notable for its insistence on treating ESP as a scientifically quantifiable phenomenon subject to the same evidential standards as any other psychological research, and for Rhine's confident, cumulative rhetorical strategy of narrowing the field of plausible explanations until only genuine extra-sensory perception remains. A distinctive claim is that results actually improved with more rigorous technique \u2014 the inverse of what fraud or incompetence would predict \u2014 and that the sheer number of independent witnesses, subjects, and assistants makes coordinated deception implausible.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Chapter 9. Elimination of Negative Hypotheses","word_count":3820},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp24_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp24_htm","source":"sacred_texts_v1","summary":"This is an appendix from J. B. Rhine's 1934 monograph *Extra-Sensory Perception*, presenting the statistical case against chance as an explanation for his experimental results. The passage explains a ratio (X = D/p.e.) used throughout the work as a measure of how far results deviate from what chance would predict, and provides a table translating specific X values into their corresponding probability figures \u2014 with the most extreme result (X = 111) yielding odds of 10\u207b\u00b9\u00b2\u00b2\u2070, or roughly 10\u00b9\u00b2\u00b2\u2070 to one against chance. Rhine notes that the approximation method used carries up to 100% error, but argues this is statistically irrelevant at such astronomically small probabilities. A distinctive rhetorical move closes the section: Rhine concedes that any skeptic unmoved by an X value of 15 or 20 will not be persuaded by larger numbers either, effectively shifting the burden of proof away from mathematics and onto the reader's willingness to engage with the evidence at all. The passage is primarily a technical justification for Rhine's statistical methodology, written for a mathematically literate audience, with a candid acknowledgment of the limits of the approximations used.","title":"Extra-Sensory Perception: Part III. Explanation and Discussion: Second Appendix to Chapter 15.","word_count":643},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp06_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp06_htm","source":"sacred_texts_v1","summary":"This is the preface to J. B. Rhine's 1934 scientific monograph *Extra-Sensory Perception*, the foundational text of modern parapsychology, published through Duke University's psychology department. Rhine reports on nearly 100,000 controlled trials testing whether humans can perceive information through means outside the recognized senses \u2014 what he coins \"E.S.P.\" \u2014 and argues the accumulated evidence is now strong enough to warrant formal publication and broader scientific scrutiny. He distinguishes E.S.P. carefully from competing terms like \"supernormal perception,\" \"metagnomy,\" and \"cryptesthesia,\" settling on his coinage because it frames the phenomenon as a natural psychological process rather than implying a supernatural explanation or a hidden sensory organ. A distinctively ambitious claim runs throughout: Rhine presents this research not merely as curiosity about anomalous mental phenomena but as potentially foundational to a new understanding of human personality and its place in nature, explicitly linking it to what he sees as the collapse of religious and ethical frameworks in modernity. He situates the work within an emerging climate of cautious scientific openness \u2014 citing endorsements from figures including Einstein, Freud, and Whitehead \u2014 while anticipating hostility from those who reject the possibility without experiment. The preface also credits Duke University's unusual institutional tolerance for the research, supervised under psychologist William McDougall.","title":"Extra-Sensory Perception: Preface","word_count":1780},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_esp_esp00_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_esp_esp00_htm","source":"sacred_texts_v1","summary":"","title":"Extra-Sensory Perception: Title Page","word_count":105},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_index_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_index_htm","source":"sacred_texts_v1","summary":"| Fig. 22 | Mental Radio by Upton Sinclair [1930] | \nUpton Sinclair took a gamble publishing this book. A lifelong Socialist who ran for high office several times, a muckraking author who had exposed the abuses of capitalism, was dabbling with what was seen as the occult.","title":"Mental Radio Index","word_count":415},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad02_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad02_htm","source":"sacred_texts_v1","summary":"*Mental Radio* (1930) is a nonfiction personal account by the American socialist author Upton Sinclair, written in the tradition of psychical research that flourished in the late 19th and early 20th centuries. This opening passage sets up Sinclair's argument that telepathy is real and personally verified \u2014 not merely theorized \u2014 through his direct observation of his wife's apparent telepathic abilities over three years. He frames the book as a journey from youthful skepticism (where \"superstition\" was a catch-all dismissal for anything unexplained) through decades of ambivalent reading in psychic research literature, to a final, settled conviction. A distinctive move is his analogy between past ridicule of germ theory and radio broadcasting with present-day dismissal of telepathy \u2014 positioning psychic phenomena as the next frontier of legitimate science rather than occultism. The tone is that of a rational, evidence-minded man reluctantly but firmly persuaded, and the central claim is unusually strong: not \"I find the evidence suggestive\" but \"I know.\" The book would likely appeal to readers curious about early 20th-century attitudes toward parapsychology, the history of scientific skepticism, or Sinclair himself as a cultural figure whose progressive credentials gave this controversial subject unusual mainstream visibility.","title":"Mental Radio: Chapter I","word_count":515},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad03_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad03_htm","source":"sacred_texts_v1","summary":"*Mental Radio* (1930) is a nonfiction advocacy book by American socialist writer Upton Sinclair, documenting his and his wife Mary Craig Sinclair's experiments with telepathy conducted between 1928 and 1930. The book's central argument is that telepathy is real and experimentally demonstrable: Sinclair claims that over 290 drawing-reproduction trials \u2014 where he sketched an image in one room while his wife attempted to mentally receive and reproduce it elsewhere \u2014 his wife achieved roughly 23% full successes and 53% partial successes, results he presents as statistically inexplicable by chance. The experiments used several methods, including transmissions across 40 miles, sealed envelopes placed on the body, and objects wrapped in newspaper, all designed to rule out conventional sensory cues. Sinclair's distinctive angle is his insistence on scientific seriousness and personal credibility: he frames the book as a reluctant convert's testimony, leans heavily on affidavits and reproduced drawings as evidence, and argues that telepathy is a trainable skill rooted in mental concentration rather than supernatural gift. The book is notable for the tension between Sinclair's reputation as a hard-nosed muckraking journalist and his wholehearted endorsement of a paranormal claim, and for attracting a preface from Albert Einstein. Readers drawn to the history of parapsychology, early 20th-century American intellectual culture, or the intersection of progressive politics and fringe science will find it most rewarding.","title":"Mental Radio: Chapter II","word_count":2404},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad04_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad04_htm","source":"sacred_texts_v1","summary":"*Mental Radio* (1930) is a nonfiction work by socialist author Upton Sinclair presenting personal evidence for telepathy and psychic phenomena, situated within early 20th-century interest in parapsychology. This opening passage functions as a character introduction and credibility argument: Sinclair establishes his wife, Mary Craig Sinclair, as a reluctant, skeptical witness to her own apparent psychic abilities \u2014 a woman of practical, materialistic temperament whose evangelical background made her hostile to anything \"spiritual.\" The text catalogs a series of anecdotal episodes \u2014 Craig sensing her mother's summons before a messenger could deliver it, correctly predicting a distant acquaintance's presence, and experiencing premonitory distress two days before Jack London's suicide \u2014 which Sinclair acknowledges individually as explainable by coincidence but argues carry cumulative evidential weight. A distinctive thread is Craig's physical sensitivity: she and Sinclair discovered they could each absorb the other's ailments through touch, suggesting a somatic dimension to their supposed psychic connection. Sinclair's rhetorical strategy throughout is to preempt skepticism by foregrounding Craig's own incredulity and her insistence on rigorous self-testing, framing the book less as occult advocacy than as a reluctant empiricist's case. Readers drawn to early psychical research, the history of parapsychology, or the intersection of progressive politics and fringe science will find the most to engage with here.","title":"Mental Radio: Chapter III","word_count":1104},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad05_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad05_htm","source":"sacred_texts_v1","summary":"*Mental Radio* (1930) is a nonfiction account by the novelist and social critic Upton Sinclair investigating paranormal phenomena, written in the tradition of early 20th-century psychical research. The excerpt describes Sinclair and his wife Mary Craig's encounters with a young \"psychic\" called Jan, who demonstrated feats including self-induced anesthesia, cataleptic rigidity, apparent levitation of a table, and telepathy \u2014 all witnessed by physicians and other credentialed observers. Sinclair's distinctive stance is that of a skeptical but morally compelled investigator: he neither endorses nor dismisses what he saw, repeatedly acknowledging \"the worm of doubt\" while arguing that the potential implications for human consciousness and healing make investigation obligatory. Mary Craig eventually turns the tables on Jan by using his own hypnotic techniques against him, developing a \"rapport\" that allowed her to perceive his thoughts and activities remotely \u2014 a development Sinclair frames not as exotic but as consistent with established academic literature on hypnosis and telepathy (citing Pierre Janet and Columbia's Professor Quackenbos). The excerpt serves as a prologue to what will apparently be a more rigorous personal experiment, positioning Craig as the book's central subject. Readers interested in the history of parapsychology, early 20th-century attitudes toward the unconscious mind, or Sinclair's lesser-known work outside social muckraking will find it engaging.","title":"Mental Radio: Chapter IV","word_count":1638},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad10_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad10_htm","source":"sacred_texts_v1","summary":"*Mental Radio* is a non-fiction account by the American socialist novelist Upton Sinclair, presenting firsthand observations of what he believes to be genuine psychic phenomena demonstrated by his wife, Mary Craig Sinclair. The book documents a series of informal experiments in which Craig appears to perceive the contents of books placed on her body without visual contact, accurately describing cover designs, themes, and imagery \u2014 performances Sinclair catalogs with specific titles and verifiable details, such as correctly characterizing an H.G. Wells novel and a Rutherford religious tract. Beyond book-reading, the text describes Craig locating lost objects \u2014 a folded note in a coat pocket, missing typewriter screws on a window sash \u2014 through apparent clairvoyance conducted while holding her husband's hand. Sinclair explicitly distinguishes between telepathy (reading a known mind) and psychometry (perceiving information from objects with no human intermediary), framing the book-tests as evidence of the latter. His distinctive stance is that of a reluctant but honest convert: a secular progressive and muckraker who presents himself as a skeptical witness rather than a true believer, arguing his own reputation and commercial interests would not be served by fabrication. The work is aimed at persuading a skeptical public by accumulating near-verifiable anecdotes and insisting on the credibility of two corroborating witnesses rather than making metaphysical claims.","title":"Mental Radio: Chapter IX","word_count":2281},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad06_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad06_htm","source":"sacred_texts_v1","summary":"*Mental Radio* (1930) is a nonfiction account by the novelist and social critic Upton Sinclair, documenting his and his wife Mary Craig Sinclair's systematic investigation of telepathy and clairvoyance. The book presents itself as scientific reportage rather than occult speculation: Sinclair insists all results were recorded contemporaneously in writing, never from memory, and verified against independent witnesses before his wife revealed what she had \"seen.\"\n\nThe core content is a series of case studies in which Craig apparently perceives \u2014 without normal sensory access \u2014 the real-time actions, locations, and mental states of a Polish psychic named Jan. The incidents range from correctly describing a distant house's floor plan to receiving German words she didn't know, apparently drawn from Jan's suppressed memories, and tracking his movements about Los Angeles in precise detail.\n\nThe book's most distinctive claim is that telepathy operates through the subconscious mind and can be cultivated deliberately, as Craig demonstrates by silently willing Jan's body into specific movements while he is in a trance. Sinclair's perspective is unusual for the era: he is a committed materialist and political progressive who treats paranormal phenomena not as mystical but as unexplored natural facts demanding the same empirical rigor as any other science, while remaining candid about failures and ambiguous results.","title":"Mental Radio: Chapter V","word_count":1993},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad07_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad07_htm","source":"sacred_texts_v1","summary":"*Mental Radio* (1930) is a first-person account by American socialist novelist Upton Sinclair documenting what he presents as evidence for telepathy between himself and his wife, Mary Craig Sinclair. The book assembles specific incidents \u2014 shared dreams, spontaneous image-matching experiments, and apparent thought-transference during everyday activities \u2014 recorded contemporaneously with dates, verbatim notes, and drawings as corroborating evidence. Sinclair's central argument is that telepathy is a real, demonstrable phenomenon accessible through trained passive concentration, and that his wife's repeated successes (reproducing drawings, anticipating phone calls, mirroring his reading material in dreams) cannot be explained by coincidence or suggestion. What makes the book distinctive is its combination of an earnestly scientific evidentiary framework \u2014 signed statements, matched sketches, timestamped records \u2014 with a cheerfully domestic voice: Sinclair presents himself as a distracted political activist mildly exasperated at being interrupted by his wife's psychic experiments. The book also includes an introduction by Albert Einstein, lending it unusual scientific credibility for a parapsychology text of its era. Readers interested in the history of parapsychology, early 20th-century American radicalism, or the intersection of progressive politics and heterodox science will find it a primary source of genuine historical interest.","title":"Mental Radio: Chapter VI","word_count":1840},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad08_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad08_htm","source":"sacred_texts_v1","summary":"I come now to a less fantastic and more convincing series of experiments; those made with the husband of my wife's younger sister, Robert L. Irwin. Eight years ago the doctors gave Bob only a few months to live, on account of tuberculosis.","title":"Mental Radio: Chapter VII","word_count":1473},{"api_url":"https://unchartedknowledge.5gfusion.net/v2/api/page/sacred_texts_v1_psi_mrad_mrad09_htm","collection":"Parapsychology","id":"sacred_texts_v1_psi_mrad_mrad09_htm","source":"sacred_texts_v1","summary":"The experiments just described were all that were done with Bob, because he found them a strain. Craig asked me to make some drawings for her, and I did so, sitting in the next room, some thirty feet away, but always behind a closed door. Thus you may verify my assertion that the telepathic energy, whatever it may be, knows no difference between thirty feet and forty miles.","title":"Mental Radio: Chapter VIII","word_count":888}],"sort":"title","tag":null,"total":70}