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II. Is Memory a Multiple Process?

DAVID A. DRACHMAN, MD; JACK ARBIT, PhD

Arch Neurol. 1966;15(1):52-61.

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

FOR at least 75 years psychologists have debated whether there is a single mechanism for human memory or two separate mechanisms of differing permanence. William James, on the basis of introspective analysis, first defined two categories of memory, primary and secondary.¹ Primary memory dealt with the just-elapsed portion of an ongoing event, "... the rearward portion of the present space of time..." Secondary memory served to recall events that had "... already once dropped from consciousness..." Subsequent authors have renamed James' two memory mechanisms, calling the first "immediate," "short-term," or "recent" memory^2-6 and the second "delayed," "long-term," or "distant" memory.^2,3,7 Though the two postulated phases of memory have been rechristened, today there is less agreement than ever as to whether a "dualistic" or a "monistic" theory of memory is correct.

During the last decade a number of authors have noted that patients with bilateral lesions of the hippocampal complexes . . . [Full Text PDF of this Article]

Author Affiliations
CHICAGO

From the Department of Neurology and Psychiatry, Northwestern University Medical School, Chicago.

Footnotes
Submitted for publication Feb 7, 1966; accepted April 19.

Read in part before the annual meeting of the American Academy of Neurology, Philadelphia, April 30, 1966.

Reprint requests to Northwestern University Medical School, 303 E Chicago Ave, Chicago 60611 (Dr. Drachman).

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