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How We RememberBrain Mechanisms of Episodic Memory$
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Michael E. Hasselmo

Print publication date: 2011

Print ISBN-13: 9780262016353

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262016353.001.0001

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Linking Events and Episodes

Linking Events and Episodes

Chapter:
(p.139) 5 Linking Events and Episodes
Source:
How We Remember
Author(s):

Michael E. Hasselmo

Publisher:
The MIT Press
DOI:10.7551/mitpress/9780262016353.003.0005

This chapter describes the role of the neural circuits in the hippocampus region of the brain in establishing a relationship between portions of the spatiotemporal trajectory and the actions, items, and events involved in an episode. Investigations reveal that the coding of items in an episodic memory involves several levels of “feature extraction” in the cortex region of the brain. The findings of these investigations also reveal that an isolated episode can be identified without the hippocampal formation as the process involves semantic knowledge which does not rely on the hippocampus. Identifying a specific episode of recognizing an object or organism relies on the links from the association cortices that surround the hippocampus, starting with perirhinal and postrhinal cortex regions of the brain.

Keywords:   neural circuits, hippocampus, spatiotemporal cortex, hippocampal formation, semantic knowledge, perirhinal cortex, postrhinal cortex

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