Spatial Navigation and Memory: A Review of the Similarities and Differences Relevant to Brain Models and Age

Overview

Journal Neuron

Publisher Cell Press

Specialty Neurology

Date 2023 Apr 6

PMID 37023709

Authors

Arne D Ekstrom

Paul F Hill

Affiliations

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Abstract

Spatial navigation and memory are often seen as heavily intertwined at the cognitive and neural levels of analysis. We review models that hypothesize a central role for the medial temporal lobes, including the hippocampus, in both navigation and aspects of memory, particularly allocentric navigation and episodic memory. While these models have explanatory power in instances in which they overlap, they are limited in explaining functional and neuroanatomical differences. Focusing on human cognition, we explore the idea of navigation as a dynamically acquired skill and memory as an internally driven process, which may better account for the differences between the two. We also review network models of navigation and memory, which place a greater emphasis on connections rather than the functions of focal brain regions. These models, in turn, may have greater explanatory power for the differences between navigation and memory and the differing effects of brain lesions and age.

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