Cited by 216Animal Vocal Communication and BehaviorMemory and Neural MechanismsPrimate Behavior and Ecology

Social Transmission of Fear in Rats: The Role of 22-kHz Ultrasonic Distress Vocalization

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Kim, Eun Joo, Kim, Earnest S., Covey, Ellen, Kim, Jeansok J.·2010·PLoS ONE

Abstract

BACKGROUND: Social alarm calls alert animals to potential danger and thereby promote group survival. Adult laboratory rats in distress emit 22-kHz ultrasonic vocalization (USV) calls, but the question of whether these USV calls directly elicit defensive behavior in conspecifics is unresolved. METHODOLOGY/PRINCIPAL FINDINGS: The present study investigated, in pair-housed male rats, whether and how the conditioned fear-induced 22-kHz USVs emitted by the 'sender' animal affect the behavior of its partner, the 'receiver' animal, when both are placed together in a novel chamber. The sender rats' conditioned fear responses evoked significant freezing (an overt evidence of fear) in receiver rats that had previously experienced an aversive event but not in naïve receiver rats. Permanent lesions and reversible inactivations of the medial geniculate nucleus (MGN) of the thalamus effectively blocked the receivers' freeezing response to the senders' conditioned fear responses, and this occurred in absence of lesions/inactivations impeding the receiver animals' ability to freeze and emit 22-kHz USVs to the aversive event per se. CONCLUSIONS/SIGNIFICANCE: These results--that prior experience of fear and intact auditory system are required for receiver rats to respond to their conspecifics' conditioned fear responses--indicate that the 22-kHz USV is the main factor for social transmission of fear and that learning plays a crucial role in the development of social signaling of danger by USVs.

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  • Observer mice did not have experience with foot-shock prior to demonstrator conditioning.

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    From Oxytocin enhances observational fear in mice (2017) · cites this paper as [8]

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  1. [1]Holldobler B Wilson EO 1990 The Ants. Cambridge, Massachusetts Belknap Press of Harvard University Press

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Authors
Kim, E. J., Kim, E. S., Covey, E., & Kim, J. J.
Affiliations
University of Washington (US)
Corresponding author
Kim, Jeansok J.
Venue
PLoS ONE
Published
2010-12-01
Volume
5
Issue
12
Pages
e15077
ISSN
1932-6203 (ISSN-L)
OpenAlex
W1982780621
Cited by
216
References
44
Citations by year
2026: 11 · 2025: 14 · 2024: 13 · 2023: 18 · 2022: 10 · 2021: 14 · 2020: 13 · 2019: 17 · 2018: 27 · 2017: 15 · 2016: 18 · 2015: 10 · 2014: 6 · 2013: 16 · 2012: 9
FWCI
6.59
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Digital Commons - George Fox University (George Fox University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
National Institute of Mental Health (MH64457, R01 MH64457, R01MH064457)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
Keywords
distress vocalizations, fear conditioning, freezing behavior, medial geniculate body, thalamus, conspecific communication, rats
MeSH terms
Anesthetics, Local, Animals, Animal Communication, Behavior, Animal, Conditioning, Classical, Fear, Freezing, Geniculate Bodies, Lidocaine, Male, Social Behavior, Thalamus, Ultrasonics, Vocalization, Animal, Rats

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