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The egocentric spatial reference frame used in dorsal-lateral prefrontal working memory in primates
YuanYe Ma1, XinTian Hu, Fraser A Wilson
1State Key Laboratory of Brain and Cognition, Kunming Institute of Zoology, Chinese Academy of Sciences, 32 Jaochang donglu, Kunming, PR China. yuanma0716@vip.sina.com
Neuroscience and Biobehavioral Reviews
|March 31, 2011
Summary
The dorsal-lateral prefrontal cortex (dlPFC) processes egocentric spatial information for working memory (WM). This suggests the dlPFC
Area of Science:
- Cognitive Neuroscience
- Neurobiology
Background:
- The dorsal-lateral prefrontal cortex (dlPFC) is traditionally linked to spatial working memory (WM).
- Existing models simplify spatial WM to memorizing object locations.
- Processing spatial information involves diverse spatial frames.
Purpose of the Study:
- To review the role of the dlPFC in spatial information processing within WM.
- To introduce and discuss the egocentric spatial reference frame (ESRF) in the dlPFC.
- To explore the potential involvement of egocentric spatial information processing (ESIP) in self-recognition.
Main Methods:
- Review of existing literature and data from the authors' laboratory.
- Analysis of functional studies on the prefrontal cortex (PFC).
- Discussion of spatial reference frames in WM.
Main Results:
- The dlPFC is specifically associated with egocentric spatial information processing (ESIP) in WM.
- The authors present data supporting the dlPFC's role in ESIP.
- Egocentric spatial processing in the PFC may link to self-recognition.
Conclusions:
- The dlPFC is crucial for egocentric spatial information processing in working memory.
- The concept of ESRF in the dlPFC offers a more nuanced view of spatial WM.
- ESIP in the PFC might play a role in self-recognition.
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