The egocentric spatial reference frame used in dorsal-lateral prefrontal working memory in primates |
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| Authors: | Ma YuanYe Hu XinTian Wilson Fraser A |
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| Affiliation: | a State Key Laboratory of Brain and Cognition, Kunming Institute of Zoology, Chinese Academy of Sciences, 32 Jaochang donglu, Kunming, PR China, 650223
b State Key Laboratory of Brain and Cognition, Biophysics, Chinese Academy of Sciences, Beijing, PR China, 100101 |
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| Abstract: | The dorsal-lateral prefrontal cortex (dlPFC) has been proposed to be the site of spatial working memory (WM), and this concept has had a profound influence on functional studies of the prefrontal cortex (PFC). The concept of spatial WM has been understood to mean that the location of an object is memorized for a short period of time. However, this concept of space is a simplification. To process the spatial information, different spatial frames can be used. In this review, the authors present data from their own laboratory to argue that the dlPFC is related to the egocentric spatial information processing (ESIP) in WM. The goal of this review is to introduce and discuss the egocentric spatial reference frame (ESRF) located in the dlPFC. The ESIP in the PFC might be involved in self-recognition. |
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| Keywords: | ASIP, allocentric spatial information processing ASRF, allocentric spatial reference frame DA, delayed alternation DR, delayed response dlPFC, dorsal-lateral prefrontal cortex ESIP, egocentric spatial information processing ESRF, egocentric spatial reference frame FMMs, freely moving monkeys IFC, inferior convexity IT, inferior temporal cortex mPFC, medial prefrontal cortex MTS, match-to-sample PFC, prefrontal cortex WM, working memory |
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