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ENOCH CALLAWAY III, MD; REESE T. JONES, MD; ROBERT S. LAYNE, AB

Arch Gen Psychiatry. 1965;12(1):83-89.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

This report describes the use of the averaged auditory evoked response to explore a particular psychological theory of schizophrenia. Specifically, the differences in electroencephalographic responses evoked by two trivially different tones are used to assess degree of preoccupation with ordinarily disregarded details of existence.

When a stimulus is presented to a subject, an electrical potential change can be detected at the top of the head. This is illustrated in Fig 1.

At the top of the figure are averaged responses evoked by two physically different tones—a tone of 600 cycles and a tone of 1,000 cycles. Although the tones are physically different, the forms of the evoked responses are almost identical. Before this pair of evoked responses were recorded, the subject was told to ignore the tones. Later, the subject could not recall having made any particular distinction between the high . . . [Full Text PDF of this Article]

Author Affiliations
SAN FRANCISCO

From the Langley Porter Neuropsychiatric Institute, California Department of Mental Hygiene and the University of California School of Medicine, Department of Psychiatry.

Chief of Research, Langley Porter Neuropsychiatric Institute, Associate Clinical Professor University of California, School of Medicine (Dr. Callaway); Psychiatric Resident, University of California, School of Medicine (Dr. Jones); and Medical student, University of California, School of Medicine (Mr. Layne).

Footnotes
Read before the 120th Annual Meeting of the American Psychiatric Association, May 4-8, 1964, Los Angeles.

This work was supported by the Office of Naval Research Contract NONR 2931 (00); and by Project 62-1-32 from the California Department of Mental Hygiene.

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