Speaker: ARNE EKSTROM, University of California
Title: Networks models of navigation and memory: What do we gain and why?
Ebbinghaus Empire Series 2018-2019
Video Recording of Talk
Abstract: The fields of navigation and episodic memory have often assumed a strict localization of function when determining their underlying neural foundations, for example, that the hippocampus processes space vs. episodic memories. Yet, since the work of van Monakow and Lashley, it has been clear that many aspects of higher order cognitive function can also be conceptualized from a distributed, non-localized perspective. Here, we advance a novel model of navigation and memory that argues for dynamic network interactions as critical to these two functions, with the idea that no one node uniquely houses a single cognitive process. We provide evidence from our own studies as well as those of others to support such a non-aggregate network model of navigation and memory, and also discuss some of the issues that remain to be addressed moving forward.
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