Cited by 469Animal Vocal Communication and BehaviorNeuroendocrine regulation and behaviorPrimate Behavior and Ecology

Ultrasonic vocalizations of rats (Rattus norvegicus) during mating, play, and aggression: Behavioral concomitants, relationship to reward, and self-administration of playback..

Burgdorf, Jeffrey, Kroes, Roger A., Moskal, Joseph R., Pfaus, James G., Brudzynski, Stefan M., Panksepp, Jaak·2008·Journal of Comparative Psychology

Abstract

Rats (Rattus norvegicus) emit a variety of ultrasonic vocalizations throughout their lifespan that reflect different forms of emotional arousal and accompanying affective states. In this study, high frequency recordings of ultrasonic vocalizations were made during mating, aggression, and both conspecific and heterospecific (dubbed "tickling") rough-and-tumble play behavior. We found that frequency modulated 50-kHz calls (trills and step calls) were positively correlated with positively valenced appetitive behavior during mating, play, and aggression. These calls were also positively correlated with the reward value of these social encounters. However, constant frequency (i.e., flat) 50-kHz calls were not related to appetitive behaviors or reward. In contrast, 22-kHz calls were positively related to aversive/withdrawal behaviors during mating, play, and aggression. Finally, we found that rats self-administered playback of frequency modulated 50-kHz trill calls and avoided playback of 22-kHz calls. Playback of flat 50-kHz calls or tape hiss was neutral. These results suggest that frequency modulated 50-kHz calls index a positively valenced, appetitive, social-emotional state in rats.

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Crossref · 10.1037/a0012889

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Authors
Burgdorf, J., Kroes, R. A., Moskal, J. R., Pfaus, J. G., Brudzynski, S. M., & Panksepp, J.
Affiliations
  • Northwestern University (US)
  • Concordia University (CA)
Venue
Journal of Comparative Psychology
Published
2008
Volume
122
Issue
4
Pages
357-367
ISSN
  • 0093-4127 (ISSN-L)
  • 1939-2087
  • 0735-7036
OpenAlex
W2016603062
Cited by
469
References
51
Citations by year
2026: 24 · 2025: 24 · 2024: 18 · 2023: 31 · 2022: 25 · 2021: 37 · 2020: 29 · 2019: 36 · 2018: 41 · 2017: 24 · 2016: 25 · 2015: 35 · 2014: 23 · 2013: 30 · 2012: 13
FWCI
12.94
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of comparative psychology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Developmental Biology › Animal Vocal Communication and Behavior
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
Keywords
ultrasonic vocalizations, rats, 50-kHz calls, 22-kHz calls, frequency modulation, mating behavior, aggression, rough-and-tumble play, tickling, reward value, self-administration, playback, emotional arousal, aversive behavior
MeSH terms
Age Factors, Aggression, Animals, Appetitive Behavior, Emotions, Fear, Play and Playthings, Reward, Sexual Behavior, Animal, Social Isolation, Sound Spectrography, Ultrasonics, Vocalization, Animal, Rats

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