The Distributed Nature of Working Memory
Studies in humans and non-human primates have provided evidence for storage of working memory contents in multiple regions ranging from sensory to parietal and prefrontal cortex. We discuss potential explanations for these distributed representations: (i) features in sensory regions versus prefronta...
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| Veröffentlicht in: | Trends in cognitive sciences 2017-02, Vol.21 (2), p.111-124 |
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| container_title | Trends in cognitive sciences |
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| creator | Christophel, Thomas B Klink, P. Christiaan Spitzer, Bernhard Roelfsema, Pieter R Haynes, John-Dylan |
| description | Studies in humans and non-human primates have provided evidence for storage of working memory contents in multiple regions ranging from sensory to parietal and prefrontal cortex. We discuss potential explanations for these distributed representations: (i) features in sensory regions versus prefrontal cortex differ in the level of abstractness and generalizability; and (ii) features in prefrontal cortex reflect representations that are transformed for guidance of upcoming behavioral actions. We propose that the propensity to produce persistent activity is a general feature of cortical networks. Future studies may have to shift focus from asking where working memory can be observed in the brain to how a range of specialized brain areas together transform sensory information into a delayed behavioral response. |
| doi_str_mv | 10.1016/j.tics.2016.12.007 |
| format | Article |
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| ispartof | Trends in cognitive sciences, 2017-02, Vol.21 (2), p.111-124 |
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Animals Brain Brain Mapping Humans Memory, Short-Term - physiology Neurology Prefrontal Cortex - physiology Psychiatry |
| title | The Distributed Nature of Working Memory |
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