Psychopathological Researches. Studies in Mental Dissociation. (Signed, Association Copy)

First edition, first printing. Inscribed and signed: “To Mr. H. Addington Bruce, from his friend, Boris Sidis.”

Boris Sidis (1867-1923), a Russian-born psychologist and physician, made significant contributions to psychopathology. Studying under William James at Harvard, Sidis focused on suggestion, multiple personality, and the subconscious. His work, including the influential case study of Rev. Thomas C. Hanna, advanced the understanding of dissociation and the subconscious. (ANB)

An American journalist and sychology’s “first publicist,” H. Addington Bruce (1874-1959), popularized psychology and psychical research through his writings. He explored topics such as the subconscious, suggestion, and telepathy, earning positive reviews for his books and contributing to the advancement of modern psychology. Bruce served as a trustee of the American Society for Psychical Research and contributed to various periodicals.

Both Bruce and Sidis shared a passion for psychology and contributed to its progress, with Bruce emphasizing popularization and psychical research, while Sidis focused on psychopathology and subconscious exploration. An excellent presentation and association copy.

Description: Psychopathological Researches. Studies in Mental Dissociation. (Signed, Association Copy)

New York: G.E. Stechert, 1902. Tall Octavo. xxii, 329pp + [10] fold-out plates with caption leaves. Publisher’s cloth with gilt spine titling. Minor rubbing to cloth at extremities; a few leaves with light wear; some creasing to fold-out plates; very good.


References: ANB. Dennis PM. Contributions to the history of psychology: LXXIX. Psychology’s first publicist: H. Addington Bruce and the popularization of the subconscious and power of suggestion before World War I. Psychol Rep. 1991 Jun;68(3 Pt 1):755-65.

Price: $650.00

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