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Working memory, executive function, and general fluid intelligence are not the same

Published online by Cambridge University Press:  05 April 2006

Richard P. Heitz ,
Thomas S. Redick ,
David Z. Hambrick ,
Michael J. Kane ,
Andrew R. A. Conway  and
Randall W. Engle
Richard P. Heitz*
Affiliation:
School of Psychology, Georgia Institute of Technology, Atlanta, GA 30332 psychology.gatech.edu/renglelab
Thomas S. Redick
Affiliation:
School of Psychology, Georgia Institute of Technology, Atlanta, GA 30332 psychology.gatech.edu/renglelab
David Z. Hambrick*
Affiliation:
Department of Psychology, Michigan State University, East Lansing, MI. 48824 http://psychology.msu.edu/people/faculty/hambrick.htm
Michael J. Kane*
Affiliation:
Department of Psychology, University of North Carolina, Greensboro, NC 27402-6164 http://www.uncg.edu/psy/graduateprogram/cognitive/faculty/mjk-index.html
Andrew R. A. Conway*
Affiliation:
Psychology Department, Princeton University, Princeton University, Princeton, NJ 08544 http://webscript.princeton.edu/~psych/psychology/research/conway/index.php
Randall W. Engle*
Affiliation:
School of Psychology, Georgia Institute of Technology, Atlanta, GA 30332 psychology.gatech.edu/renglelab
*
richard.heitz@psych.gatech.edu
hambric3@msu.edu
mjkane@uncg.edu
aconway@Princeton.edu
randall.engle@psych.gatech.edu
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Abstract

Blair equates the constructs of working memory (WM), executive function, and general fluid intelligence (gF). We argue that there is good reason not to equate these constructs. We view WM and gF as separable but highly related, and suggest that the mechanism behind the relationship is controlled attention – an ability that is dependent on normal functioning of the prefrontal cortex.

Information

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 29 , Issue 2 , April 2006 , pp. 135 - 136
Copyright
Copyright © Cambridge University Press 2006

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