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For years the author of this monograph has been making observations in neurology and in psychiatry tending toward the development of the hypothesis which he now expresses. Before 1926 he had written a first thesis on the present central theme; namely, that every individual has in his mind a set of ideas or perceptions, which present to him an unconscious scheme of his whole body. While the author admits that there have been partial hypotheses leading up to this idea, he also brings out that there lies a basic concept that reveals to the psychiatrist and the neurologist the reason why some of the more obscure symptoms of nervous and mental disorder take the form that they do. Since the writer is a prominent neurologist with much psychoanalytic training, he is able to present by means of extensive references to the technical literature as well as by means of numerous
Paul 1886-1940 Schilder (Sat,) studied this question.