Cited by 299Memory and Neural MechanismsMemory Processes and InfluencesNeuroscience and Neuropharmacology Research

The amygdala, fear, and memory

FANSELOW, MICHAEL S., GALE, GREG D.·2003·Annals of the New York Academy of Sciences

Abstract

A bstract: Lesions of the frontotemporal region of the amygdala, which includes lateral and basal nuclei, cause a loss of conditional fear responses, such as freezing, even when the lesions are made over a year and a half from the original training. These amygdala‐damaged animals are not hyperactive and show normal reactivity to strong stimuli such as bright lights. After receiving tone‐mild shock pairings rats normally display an appropriately weak response when exposed to the tone. Rats' fear of the tone can be inflated by giving them exposure to strong shocks in the absence of the tone between training and testing. This inflation of fear memory is abolished if the frontotemporal amygdala is inactivated by muscimol only during the inflation treatment with strong shocks. Based on such findings we suggest that the frontotemporal amygdala permanently encodes a memory for the hedonic value of the aversive stimulus used to condition fear.

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Crossref · 10.1111/j.1749-6632.2003.tb07077.x

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Authors
FANSELOW, M. S., & GALE, G. D.
Affiliations
University of California, Los Angeles (US)
Corresponding author
FANSELOW, MICHAEL S.
Venue
Annals of the New York Academy of Sciences
Publisher
Wiley
Published
2003-04
Volume
985
Issue
1
Pages
125-134
ISSN
  • 0077-8923 (ISSN-L)
  • 1749-6632
OpenAlex
W2089872340
Cited by
299
References
25
Citations by year
2026: 2 · 2025: 7 · 2024: 6 · 2023: 10 · 2022: 8 · 2021: 7 · 2020: 4 · 2019: 12 · 2018: 17 · 2017: 8 · 2016: 15 · 2015: 17 · 2014: 22 · 2013: 19 · 2012: 11
FWCI
6.76
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of the New York Academy of Sciences (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
amygdala, fear memory, freezing, basal amygdala, lateral amygdala, hedonic value, aversive stimuli, muscimol inactivation
MeSH terms
Amnesia, Retrograde, Amygdala, Animals, Conditioning, Operant, Fear, Memory, Models, Animal

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