Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations

Abstract Learning about context is essential for appropriate behavioral strategies, but important contingencies may not arise during initial learning. A variant of contextual fear conditioning, context pre-exposure facilitation, allows us to directly test the relationship between novelty-induced ace...

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Auteurs principaux: Sarah Hersman, Jesse Cushman, Noah Lemelson, Kate Wassum, Shahrdad Lotfipour, Michael S. Fanselow
Format: article
Langue:EN
Publié: Nature Portfolio 2017
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Accès en ligne:https://doaj.org/article/c57996a3fc624abba2c492e3c3a6b4c9
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spelling oai:doaj.org-article:c57996a3fc624abba2c492e3c3a6b4c92021-12-02T11:40:32ZOptogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations10.1038/s41598-017-02542-12045-2322https://doaj.org/article/c57996a3fc624abba2c492e3c3a6b4c92017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02542-1https://doaj.org/toc/2045-2322Abstract Learning about context is essential for appropriate behavioral strategies, but important contingencies may not arise during initial learning. A variant of contextual fear conditioning, context pre-exposure facilitation, allows us to directly test the relationship between novelty-induced acetylcholine release and later contextual associability. We demonstrate that optogenetically-enhanced acetylcholine during initial contextual exploration leads to stronger fear after subsequent pairing with shock, suggesting that novelty-induced acetylcholine release primes future contextual associations.Sarah HersmanJesse CushmanNoah LemelsonKate WassumShahrdad LotfipourMichael S. FanselowNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-6 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Sarah Hersman
Jesse Cushman
Noah Lemelson
Kate Wassum
Shahrdad Lotfipour
Michael S. Fanselow
Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
description Abstract Learning about context is essential for appropriate behavioral strategies, but important contingencies may not arise during initial learning. A variant of contextual fear conditioning, context pre-exposure facilitation, allows us to directly test the relationship between novelty-induced acetylcholine release and later contextual associability. We demonstrate that optogenetically-enhanced acetylcholine during initial contextual exploration leads to stronger fear after subsequent pairing with shock, suggesting that novelty-induced acetylcholine release primes future contextual associations.
format article
author Sarah Hersman
Jesse Cushman
Noah Lemelson
Kate Wassum
Shahrdad Lotfipour
Michael S. Fanselow
author_facet Sarah Hersman
Jesse Cushman
Noah Lemelson
Kate Wassum
Shahrdad Lotfipour
Michael S. Fanselow
author_sort Sarah Hersman
title Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
title_short Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
title_full Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
title_fullStr Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
title_full_unstemmed Optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
title_sort optogenetic excitation of cholinergic inputs to hippocampus primes future contextual fear associations
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/c57996a3fc624abba2c492e3c3a6b4c9
work_keys_str_mv AT sarahhersman optogeneticexcitationofcholinergicinputstohippocampusprimesfuturecontextualfearassociations
AT jessecushman optogeneticexcitationofcholinergicinputstohippocampusprimesfuturecontextualfearassociations
AT noahlemelson optogeneticexcitationofcholinergicinputstohippocampusprimesfuturecontextualfearassociations
AT katewassum optogeneticexcitationofcholinergicinputstohippocampusprimesfuturecontextualfearassociations
AT shahrdadlotfipour optogeneticexcitationofcholinergicinputstohippocampusprimesfuturecontextualfearassociations
AT michaelsfanselow optogeneticexcitationofcholinergicinputstohippocampusprimesfuturecontextualfearassociations
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