Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior

The retrosplenial cortex (RSC) is reciprocally connected with the hippocampus and various parahippocampal cortical regions, suggesting that RSC is well-positioned to contribute to hippocampal-dependent memory. Consistent with this, substantial behavioral evidence indicates that RSC is essential for...

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Main Authors: Travis P. Todd, David J. Bucci
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Neural Plasticity
Online Access:http://dx.doi.org/10.1155/2015/414173
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author Travis P. Todd
David J. Bucci
author_facet Travis P. Todd
David J. Bucci
author_sort Travis P. Todd
collection DOAJ
description The retrosplenial cortex (RSC) is reciprocally connected with the hippocampus and various parahippocampal cortical regions, suggesting that RSC is well-positioned to contribute to hippocampal-dependent memory. Consistent with this, substantial behavioral evidence indicates that RSC is essential for consolidating and/or retrieving contextual and spatial memories. In addition, there is growing evidence that RSC neurons undergo activity-dependent plastic changes during memory formation and retrieval. In this paper we review both the behavioral and cellular/molecular data and posit that the RSC has a particularly important role in the storage and retrieval of spatial and contextual memories perhaps due its involvement in binding together multiple cues in the environment. We identify remaining questions and avenues for future research that take advantage of emerging methods to selectively manipulate RSC neurons both spatially and temporally and to image the RSC in awake, behaving animals.
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spelling doaj-art-cf485f4b116e4ce29d3f1e8005a5dfe12025-08-20T02:20:09ZengWileyNeural Plasticity2090-59041687-54432015-01-01201510.1155/2015/414173414173Retrosplenial Cortex and Long-Term Memory: Molecules to BehaviorTravis P. Todd0David J. Bucci1Department of Psychological and Brain Sciences, Dartmouth College, Hanover 03755, NH, USADepartment of Psychological and Brain Sciences, Dartmouth College, Hanover 03755, NH, USAThe retrosplenial cortex (RSC) is reciprocally connected with the hippocampus and various parahippocampal cortical regions, suggesting that RSC is well-positioned to contribute to hippocampal-dependent memory. Consistent with this, substantial behavioral evidence indicates that RSC is essential for consolidating and/or retrieving contextual and spatial memories. In addition, there is growing evidence that RSC neurons undergo activity-dependent plastic changes during memory formation and retrieval. In this paper we review both the behavioral and cellular/molecular data and posit that the RSC has a particularly important role in the storage and retrieval of spatial and contextual memories perhaps due its involvement in binding together multiple cues in the environment. We identify remaining questions and avenues for future research that take advantage of emerging methods to selectively manipulate RSC neurons both spatially and temporally and to image the RSC in awake, behaving animals.http://dx.doi.org/10.1155/2015/414173
spellingShingle Travis P. Todd
David J. Bucci
Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior
Neural Plasticity
title Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior
title_full Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior
title_fullStr Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior
title_full_unstemmed Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior
title_short Retrosplenial Cortex and Long-Term Memory: Molecules to Behavior
title_sort retrosplenial cortex and long term memory molecules to behavior
url http://dx.doi.org/10.1155/2015/414173
work_keys_str_mv AT travisptodd retrosplenialcortexandlongtermmemorymoleculestobehavior
AT davidjbucci retrosplenialcortexandlongtermmemorymoleculestobehavior