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Malaysian Journal of Medical Sciences
School of Medical Sciences, Universiti Sains Malaysia
ISSN: 1394-195X
Vol. 19, No. 4, 2012, pp. 6-16
Bioline Code: mj12048
Full paper language: English
Document type: Review Article
Document available free of charge

Malaysian Journal of Medical Sciences, Vol. 19, No. 4, 2012, pp. 6-16

 en Homo Heuristicus: Less-is-More Effects in Adaptive Cognition
Brighton, Henry & Gigerenzer, Gerd

Abstract

Heuristics are efficient cognitive processes that ignore information. In contrast to the widely held view that less processing reduces accuracy, the study of heuristics shows that less information, computation, and time can in fact improve accuracy. We discuss some of the major progress made so far, focusing on the discovery of less-is-more effects and the study of the ecological rationality of heuristics which examines in which environments a given strategy succeeds or fails, and why. Homo heuristicus has a biased mind and ignores part of the available information, yet a biased mind can handle uncertainty more efficiently and robustly than an unbiased mind relying on more resource- intensive and general-purpose processing strategies.

Keywords
cognition, heuristics, uncertainty

 
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Alternative site location: http://www.medic.usm.my/publication/mjms/

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