Does 'Working Memory' Still Work?

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Science  09 Apr 2010:
Vol. 328, Issue 5975, pp. 162
DOI: 10.1126/science.328.5975.162

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The idea that a better working memory made Homo sapiens smarter than its ancestors is attracting attention from psychologists, archaeologists, and neuroscientists alike (see main text). The architects of the hypothesis base their idea on a model of working memory proposed 35 years ago by two British psychologists. That model "was seminal" in memory research, psychologists say. But now some researchers are challenging some of its basic tenets.