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The skills and methods of calendrical savants

Cowan, Richard and O'Connor, Neil and Samella, Katerina (2003) The skills and methods of calendrical savants. Intelligence, 31 (1). pp. 51-65. ISSN 0160-2896

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Official URL: http://dx.doi.org/10.1016/S0160-2896(02)00119-8

Abstract

Calendrical savants are people with considerable intellectual difficulties that have the unusual ability to name the weekdays for dates in the past and sometimes the future. Three criteria are proposed to distinguish savants whose skill depends on memorization from those who calculate: range of years, consistent deviation from the Gregorian calendar, and variation in latency with remoteness from the present. A study of 10 calendrical savants showed 5 met one or both of the criteria concerning range and deviation and 9 met the third criterion. The second study assessed their arithmetical abilities using tests of mental and written arithmetic. This broadly validated the attribution of calculation as the basis for some savants‟ skills. The results are discussed in relation to views that calendrical savants imply the existence of a modular mathematical intelligence or unconscious integer arithmetic.

Item Type: Article
Uncontrolled Keywords: Adults UK Numeracy
Subjects: Departments > Psychology and Human Development
Depositing User: IOE Repository Editor (2)
Date Deposited: 26 Jun 2009 13:20
Last Modified: 26 Jun 2012 22:23
URI: http://eprints.ioe.ac.uk/id/eprint/406

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