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The Hippocampus Book$
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Per Andersen, Richard Morris, David Amaral, Tim Bliss, and John O'Keefe

Print publication date: 2006

Print ISBN-13: 9780195100273

Published to Oxford Scholarship Online: May 2009

DOI: 10.1093/acprof:oso/9780195100273.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 21 October 2021

Local Circuits

Local Circuits

(p.297) 8 Local Circuits
The Hippocampus Book

Buhl Eberhard

Whittington Miles

Oxford University Press

This chapter demonstrates the basic principles involved in local circuits in general and reviews evidence for the organization of local circuits in the hippocampus. Local circuits in the hippocampus are comprised of excitatory connections from principal cells to interneurons and mainly inhibitory interneuronal connections onto principal cells. A smaller number of connections are made up of mutual inhibitory interneuronal interconnectivity and recurrent excitatory connectivity between principal cells. The pattern of local connectivity is diverse and represents a rich tapestry of prospective strategies for modifying initial responses to inputs and post hoc responses to continued input activity on the basis of previously generated outputs.

Keywords:   hippocampal neurons, dentate gyrus, hippocampal regions, excitatory connections, principal cells, interneurons

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