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HARRY FISS, PhD; GEORGE S. KLEIN, PhD; EDWIN BOKERT, BA

Arch Gen Psychiatry. 1966;14(5):543-551.

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

EVER SINCE Aserinsky's and Kleit-man's epoch-making discovery¹ dreams have come to be inextricably linked to emergent EEG stage 1 rapid eye movement (REM) sleep.^2-6 Other evidence, however, has indicated that mental activity goes on during all stages of sleep^7,8: that what distinguishes REM from non-REM (NREM) sleep is not the presence but the qualitative uniqueness of the mental content associated with REM sleep. According to Foulkes⁷ and Rechtschaffen et al,⁹ REM mentation is more dream-like, more elaborate and complex, more vivid, and more visual than NREM mentation, while NREM mentation tends to be more thought-like, rational, conceptual, and realistic. It is understandable therefore why so much recent interest has focused on distinguishing different sleep stages not only on the basis of neurophysiological and biochemical processes, but also on the basis of the types of thinking that characterize them.

The procedure . . . [Full Text PDF of this Article]

Author Affiliations
NEW YORK

From the Research Center for Mental Health, New York University, New York.

Footnotes
Submitted for publication Sept 27, 1965.

Read before the Annual Meeting of the Association for the Psychophysiological Study of Sleep, Washington, DC, March 1965.

Reprint requests to 4 Washington P1, New York 10003 (Dr. Fiss).

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