工作记忆概念的变化。
Changing concepts of working memory.
机构信息
Center for Neural Science and Department of Psychology, New York University, New York, New York, USA.
Department of Experimental Psychology and Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK.
出版信息
Nat Neurosci. 2014 Mar;17(3):347-56. doi: 10.1038/nn.3655. Epub 2014 Feb 25.
Abstract
Working memory is widely considered to be limited in capacity, holding a fixed, small number of items, such as Miller's 'magical number' seven or Cowan's four. It has recently been proposed that working memory might better be conceptualized as a limited resource that is distributed flexibly among all items to be maintained in memory. According to this view, the quality rather than the quantity of working memory representations determines performance. Here we consider behavioral and emerging neural evidence for this proposal.
摘要
工作记忆被广泛认为其容量有限，只能容纳固定数量的项目，例如米勒的“神奇数字”七或考恩的四。最近有人提出，工作记忆或许可以更好地被概念化为一种有限的资源，它可以在需要在记忆中保持的所有项目之间灵活分配。根据这种观点，工作记忆的表示的质量而不是数量决定了性能。在这里，我们考虑了支持这一观点的行为和新兴神经证据。
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