期刊
ANNUAL REVIEW OF PSYCHOLOGY
卷 73, 期 -, 页码 187-215出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-psych-021721-110002
关键词
episodic; semantic memory; hippocampus; navigation; preconfigured
资金
- National Institute for Mental Health [R00 MH118423]
- National Institutes of Health (NIH) [MH107396, MH122391, U19 NS104590]
- NIH [MH074692, MH112733]
This article emphasizes the importance of memory in defining one's sense of identity and explores different research methods and limitations in studying memory in humans and other animals. It proposes a new brain-based understanding of declarative memory, focusing on hippocampal physiology. The article also discusses the common physiological mechanisms of navigation in real and mental spacetime and presents the distinguishing features of different types of memory. Finally, it hypothesizes that neuronal networks have a reservoir of neural trajectories and the challenge for the brain is to select and match preexisting neuronal trajectories with events in the world.
By linking the past with the future, our memories define our sense of identity. Because human memory engages the conscious realm, its examination has historically been approached from language and introspection and proceeded largely along separate parallel paths in humans and other animals. Here, we first highlight the achievements and limitations of this mind-based approach and make the case for a new brain-based understanding of declarative memory with a focus on hippocampal physiology. Next, we discuss the interleaved nature and common physiological mechanisms of navigation in real and mental spacetime. We suggest that a distinguishing feature of memory types is whether they subserve actions for single or multiple uses. Finally, in contrast to the persisting view of the mind as a highly plastic blank slate ready for the world to make its imprint, we hypothesize that neuronal networks are endowed with a reservoir of neural trajectories, and the challenge faced by the brain is how to select and match preexisting neuronal trajectories with events in the world.
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