An experimental study of sleep

Image 1 of An experimental study of sleep

Contributor: Sidis, Boris
Date: 1909

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Contributor: Sidis, Boris
Date: 1909

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Contributor: Sidis, Boris
Date: 1909

Image 4 of An experimental study of sleep

Contributor: Sidis, Boris
Date: 1909

Image 5 of An experimental study of sleep AN EXPERIMENTAL^ STUDY OF SLEEP (From the Physiological Laboratory of the Harvard Medical School and from Sidis Laboratory) {A BY BORIS SIDIS, M.A., Ph.D., M.D. Author Of PSYCHOPATHOLOGICAL RESEARCHES in Mental Dissociation...

Contributor: Sidis, Boris
Date: 1909

Image 6 of An experimental study of sleep Copyright 1908 by Boris Sidis, M.D. All Rights Reserved t 9 LIBfjARY Of CONGRESS Two Copies Received DEC 22 1808 _ Copyritfni tntry CLASS CX XXt, No. COPY U Gbe $orbam press,...

Contributor: Sidis, Boris
Date: 1909

Image 7 of An experimental study of sleep TO DR. MORTON PRINCE in appreciation of his originality in Philosophy and Psychology and of his staunch friendship towards THE AUTHOR.

Contributor: Sidis, Boris
Date: 1909

Image 8 of An experimental study of sleep

Contributor: Sidis, Boris
Date: 1909

Image 9 of An experimental study of sleep CONTENTS Part I Experimental Chapter I. Introductory Remarks I Chapter II. Theories of Sleep 3 Chapter III. The Conditions of Sleep 9 Chapter IV. Intermediary States 14 Chapter V. The Induction of...

Contributor: Sidis, Boris
Date: 1909

Image 10 of An experimental study of sleep

Contributor: Sidis, Boris
Date: 1909

Image 11 of An experimental study of sleep PART I EXPERIMENTAL Hypotheses non fingo Newton.

Contributor: Sidis, Boris
Date: 1909

Image 12 of An experimental study of sleep

Contributor: Sidis, Boris
Date: 1909

Image 13 of An experimental study of sleep AN EXPERIMENTAL STUDY OF SLEEP Chapter I Introductory Remarks WRITERS on sleep complain that little attention has been paid to the subject, that it is sufficient to open a text-book on physiology...

Contributor: Sidis, Boris
Date: 1909

Image 14 of An experimental study of sleep 2 An Experimental Study of Sleep physiologist is unable to deal with by his usual methods and from his standpoint alone. Moreover there may be another reason for the indif- ference of...

Contributor: Sidis, Boris
Date: 1909

Image 15 of An experimental study of sleep Chapter II Theories of Sleep FROM the very earliest times man wondered about sleep and attempted some explanation of it. It was supposed that in sleep the soul wanders away from the...

Contributor: Sidis, Boris
Date: 1909

Image 16 of An experimental study of sleep 4 An Experimental Study of Sleep The mechanical theories are of the circulatory variety and are usually much favored by physicians, they attempt to explain sleep by changes in the blood circulation...

Contributor: Sidis, Boris
Date: 1909

Image 17 of An experimental study of sleep An Experimental Study of Sleep 5 been removed still present the same changes of sleep and waking. Biologically regarded, sleep is a far more general phenomenon than that of the presence of...

Contributor: Sidis, Boris
Date: 1909

Image 18 of An experimental study of sleep 6 An Experimental Study of Sleep activity of the various tissues. Lactic acid was supposed to be the particular substance in question. Others such as Dubois ascribed the same state to the...

Contributor: Sidis, Boris
Date: 1909

Image 19 of An experimental study of sleep An Experimental Study of Sleep 7 came in for their share. It was not however until the researches of Golgi and Ramon Y Cajal had laid the foundation for their famous doctrine...

Contributor: Sidis, Boris
Date: 1909

Image 20 of An experimental study of sleep An Experimental Study of Sleep in order to arrive at such an important conclusion. The only one who really made some advance in the psychological theory of sleep was Heubel, Privatdocent at...

Contributor: Sidis, Boris
Date: 1909

Image 21 of An experimental study of sleep An Experimental Study of Sleep 9 valuable contributions to the theory of sleep. It throws altogether new light on the subject of sleep, and many obscure until now unexplained facts can be...

Contributor: Sidis, Boris
Date: 1909

Image 22 of An experimental study of sleep 10 An Experimental Study of Sleep I have further pointed out that what we really bring about under such conditions is a dissociation of conscious- ness. In the normal waking state the...

Contributor: Sidis, Boris
Date: 1909

Image 23 of An experimental study of sleep An Experimental Study of Sleep II We have to make up our minds and decide whether or no we want to go to sleep, or whether it is best for us to...

Contributor: Sidis, Boris
Date: 1909

Image 24 of An experimental study of sleep 12 An Experimental Study of Sleep to have the attention relaxed, which under some conditions requires either an effort of the will or the presence of specially favorable circumstances. It is the...

Contributor: Sidis, Boris
Date: 1909

Image 25 of An experimental study of sleep An Experimental Study of Sleep 13 In the limitation of voluntary movements a mass of muscular sensations as well as kinaesthetic sensations is kept from pouring into consciousness, the result is a...

Contributor: Sidis, Boris
Date: 1909

Image 26 of An experimental study of sleep 14 An Experimental Study of Sleep listening to lecturers in a medical school I found how easily the monotonous, uninteresting delivery put me into a drowsy state, and how I came back...

Contributor: Sidis, Boris
Date: 1909

Image 27 of An experimental study of sleep An Experimental Study of Sleep 1 5 The oscillations of the different states may be followed by variations in respiration. Thus the respiration is some- what unequal in the waking state, becomes...

Contributor: Sidis, Boris
Date: 1909

Image 28 of An experimental study of sleep 1 6 An Experimental Study of Sleep move, or change position as little as possible, and is required to look steadily into a glass of water on a white background with a...

Contributor: Sidis, Boris
Date: 1909

Image 29 of An experimental study of sleep An Experimental Study of Sleep 17 as much as touching on hypnosis. The hypnoidal state is on the borderland of waking, sleep and hypnosis. .Sub- waking seems to be an appropriate descriptive...

Contributor: Sidis, Boris
Date: 1909

Image 30 of An experimental study of sleep 8 An Experimental Study of Sleep One important characteristic of all subwaking states is the formation of hallucinations which indicate states of dissociation under which alone hallucinations can take place. On falling...

Contributor: Sidis, Boris
Date: 1909

Image 31 of An experimental study of sleep An Experimental Study of Sleep 19 intermediary subwaking states discovered in my investi- gation of the subconscious. In the study of sleep then we must devote our attention to the investigation of...

Contributor: Sidis, Boris
Date: 1909

Image 32 of An experimental study of sleep 20 An Experimental Study of Sleep now of sleep. My point therefore was to induce sleep and its allied states, subwaking and hypnoidal, keeping as closely as possible to the conditions of...

Contributor: Sidis, Boris
Date: 1909

Image 33 of An experimental study of sleep An Experimental Study of Sleep 21 Of course, in the case of the frogs the interpretation of the manifestations is rather uncertain. Still even in the frogs as the course of the...

Contributor: Sidis, Boris
Date: 1909

Image 34 of An experimental study of sleep 22 An Experimental Study of Sleep The experiments were then somewhat modified, the eyelids of the frog were held together with collodion painted over them. At first the frog struggled and was...

Contributor: Sidis, Boris
Date: 1909

Image 35 of An experimental study of sleep An Experimental Study of Sleep 23 a healthy frog which was not operated and closed its eyes firmly. It was put in a very awkward position. It remained hanging over the board...

Contributor: Sidis, Boris
Date: 1909

Image 36 of An experimental study of sleep 24 An Experimental Study of Sleep the eyes were partly closed. Some of the frogs when released from the pressure, relaxed their extremities and remained in a quiet state. Similar experiments I...

Contributor: Sidis, Boris
Date: 1909

Image 37 of An experimental study of sleep An Experimental Study of Sleep 25 I must, however, add that I am not quite so sure as Huebel is that the rest-states, induced in the frog and described in my experiments,...

Contributor: Sidis, Boris
Date: 1909

Image 38 of An experimental study of sleep 26 An Experimental Study of Sleep states, that is all that we are thus far justified to say of them, observed and described as they are by experimenters who do not have...

Contributor: Sidis, Boris
Date: 1909

Image 39 of An experimental study of sleep An Experimental Study of Sleep 27 contrasted organizations so widely apart in the scale of evolution. Mv view then is that the phenomena observed in the frog are hypnoidal in character. The...

Contributor: Sidis, Boris
Date: 1909

Image 40 of An experimental study of sleep 28 An Experimental Study of Sleep sleep and hypnosis. Now the manifestations of the waking- state, and now the symptoms of sleep, and now again of hypnosis predominate. In short, the state...

Contributor: Sidis, Boris
Date: 1909

Book/Printed Material An experimental study of sleep