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Updated: May 16, 2025
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Recording Mouse Ultrasonic Vocalizations to Evaluate Social Communication
Published on: June 5, 2016
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Neonatal vocalization rate predicts future prosocial behavior in C57 BL/6J mice
Matthew S Binder1, Elise B Cauley1, Nicole I Cofsky1
1Department of Psychology, Trinity University, San Antonio, TX, United States.
Behavioural Brain Research
|March 31, 2025
Summary
Neonatal ultrasonic vocalizations (USVs) in mice predict future prosocial behavior. High vocalizers in early development showed significantly greater sociability and prosociality in adolescence.
Area of Science:
- Neuroscience
- Behavioral Biology
- Developmental Psychology
Background:
- Neonatal ultrasonic vocalizations (USVs) are innate mouse communication signals.
- The link between early USVs and later behaviors remains largely unexplored.
Purpose of the Study:
- To investigate the relationship between neonatal USVs and adolescent behaviors in C57BL/6 mice.
- To determine if USV characteristics predict anxiety, locomotion, depression, prosocial, or aggressive behaviors.
Main Methods:
- Analyzed USVs in neonatal mice throughout the first two postnatal weeks.
- Assessed adolescent behaviors including anxiety, locomotion, depression, prosociality, and aggression.
- Utilized correlational analyses and median split grouping (high vs. low vocalizers).
Main Results:
- A significant positive correlation was found between USV call rate and sociability.
- High USV vocalizers exhibited significantly more prosocial behavior than low vocalizers.
- This prosocial link remained significant after controlling for factors like weight, sex, litter composition, and call properties.
Conclusions:
- The number of neonatal USVs produced is a significant predictor of future prosocial behavior in mice.
- USV characteristics like pitch, duration, and amplitude, as well as call types, did not show significant predictive power for adolescent behaviors.
