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| Research article summary (published 29 Nov 2002): |
The role of prefrontal cortex in working-memory capacity, executive attention, and general fluid intelligence: an individual-differences perspective.
Full Abstract
We provide an "executive-attention" framework for organizing the cognitive neuroscience research on the constructs of working-memory capacity (WMC), general fluid intelligence, and prefrontal cortex (PFC) function. Rather than provide a novel theory of PFC function, we synthesize a wealth of single-cell, brain-imaging, and neuropsychological research through the lens of our theory of normal individual differences in WMC and attention control (Engle, Kane, & Tuholski, 1999; Engle, Tuholski, Laughlin, & Conway, 1999). Our critical review confirms the prevalent view that dorsolateral PFC circuitry is critical to executive-attention functions. Moreover, although the dorsolateral PFC is but one critical structure in a network of anterior and posterior "attention control" areas, it does have a unique executive-attention role in actively maintaining access to stimulus representations and goals in interference-rich contexts. Our review suggests the utility of an executive-attention framework for guiding future research on both PFC function and cognitive control.
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Author information
Author/s: Kane, Michael J (MJ); Engle, Randall W (RW);
Affiliation: Department of Psychology, University of North Carolina, Greensboro, North Carolina 27402-6164, USA. mjkane(-atsign-)uncg.edu
Grants: R01-HD27490-01A1 (Agency:United States NICHD)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.; Review
Journal: Psychonomic bulletin & review (Psychon Bull Rev), published in United States. (Language: eng)
Reference: 2002-Dec; vol 9 (issue 4) : pp 637-71
Dates: Created 2003/03/04; Completed 2003/07/03; Revised 2007/11/14;
PMID: 12613671, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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