期刊
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
卷 36, 期 9, 页码 2007-2033出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2012.06.004
关键词
Binding; Change detection; EEG; Lifespan psychology; Top-down control
资金
- Max Planck Society
- German Research Foundation (DFG) [HE 3347/3-1]
- Deutsche Forschungsgemeinschaft
We suggest that working memory (WM) performance can be conceptualized as the interplay of low-level feature binding processes and top-down control, relating to posterior and frontal brain regions and their interaction in a distributed neural network. We propose that due to age-differential trajectories of posterior and frontal brain regions top-down control processes are not fully mature until young adulthood and show marked decline with advancing age, whereas binding processes are relatively mature in children, but show senescent decline in older adults. A review of the literature spanning from middle childhood to old age shows that binding and top-down control processes undergo profound changes across the lifespan. We illustrate commonalities and dissimilarities between children, younger adults, and older adults reflecting the change in the two components' relative contribution to visual WM performance across the lifespan using results from our own lab. We conclude that an integrated account of visual WM lifespan changes combining research from behavioral neuroscience and cognitive psychology of child development as well as aging research opens avenues to advance our understanding of cognition in general. (C) 2012 Elsevier Ltd. All rights reserved.
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