Separating cognitive capacity from knowledge: a new hypothesis.

by: GS Halford, N Cowan, G Andrews

Trends in cognitive sciences, Vol. 11, No. 6. (June 2007), pp. 236-242.

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Abstract

We propose that working memory and reasoning share related capacity limits. These limits are quantified in terms of the number of items that can be kept active in working memory, and the number of interrelationships between elements that can be kept active in reasoning. The latter defines the complexity of reasoning problems and the processing loads they impose. Principled procedures for measuring, controlling or limiting recoding and other strategies for reducing memory and processing loads have opened up new research opportunities, and yielded orderly quantification of capacity limits in both memory and reasoning. We argue that both types of limit might be based on the limited ability to form and preserve bindings between elements in memory.

@article{citeulike:2988883, abstract = {We propose that working memory and reasoning share related capacity limits. These limits are quantified in terms of the number of items that can be kept active in working memory, and the number of interrelationships between elements that can be kept active in reasoning. The latter defines the complexity of reasoning problems and the processing loads they impose. Principled procedures for measuring, controlling or limiting recoding and other strategies for reducing memory and processing loads have opened up new research opportunities, and yielded orderly quantification of capacity limits in both memory and reasoning. We argue that both types of limit might be based on the limited ability to form and preserve bindings between elements in memory.}, address = {Griffith University, Mt Gravatt campus, 170 Kessels Road, Nathan, QLD 4111, Australia. g.halford@griffith.edu.au}, author = {Halford, G. S. and Cowan, N. and Andrews, G. }, citeulike-article-id = {2988883}, doi = {http://dx.doi.org/10.1016/j.tics.2007.04.001}, issn = {1364-6613}, journal = {Trends in cognitive sciences}, keywords = {best, capacity, parietal}, month = {June}, number = {6}, pages = {236--242}, posted-at = {2008-07-11 16:06:44}, priority = {2}, title = {Separating cognitive capacity from knowledge: a new hypothesis.}, url = {http://dx.doi.org/10.1016/j.tics.2007.04.001}, volume = {11}, year = {2007} }

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TY - JOUR ID - citeulike:2988883 L3 - citeulike-article-id:2988883 TI - Separating cognitive capacity from knowledge: a new hypothesis. JF - Trends in cognitive sciences VL - 11 IS - 6 SP - 236 EP - 242 AD - Griffith University, Mt Gravatt campus, 170 Kessels Road, Nathan, QLD 4111, Australia. g.halford@griffith.edu.au SN - 1364-6613 N2 - We propose that working memory and reasoning share related capacity limits. These limits are quantified in terms of the number of items that can be kept active in working memory, and the number of interrelationships between elements that can be kept active in reasoning. The latter defines the complexity of reasoning problems and the processing loads they impose. Principled procedures for measuring, controlling or limiting recoding and other strategies for reducing memory and processing loads have opened up new research opportunities, and yielded orderly quantification of capacity limits in both memory and reasoning. We argue that both types of limit might be based on the limited ability to form and preserve bindings between elements in memory. KW - best KW - capacity KW - parietal AU - Halford, GS AU - Cowan, N AU - Andrews, G PY - 2007/06// UR - http://dx.doi.org/10.1016/j.tics.2007.04.001 ER -

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