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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2017
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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) |
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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 |
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_version_ |
1718395604806139904 |