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Research Article
Published Online: May 1975

An investigation of calendar calculating by an idiot savant

Publication: American Journal of Psychiatry

Abstract

Three mechanisms (eidetic imagery, high-speed calculation, and substitute compensation for normal learning) were investigated and rejected as possible explanations for the calendar-calculating ability of a particular idiot savant. Reaction times for calendar calculations indicated that he used neither an idiosyncratic nor a calendar-based system. Rote memory and a special ability to concentrate for extended periods of time were postulated to explain this individual's performance.

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Go to American Journal of Psychiatry
Go to American Journal of Psychiatry
American Journal of Psychiatry
Pages: 557 - 560
PubMed: 1119622

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Published in print: May 1975
Published online: 1 April 2006

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