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Recording Mouse Ultrasonic Vocalizations to Evaluate Social Communication
Published on: June 5, 2016
Ultrasonic vocalizations in rat and mouse pups
Myron A Hofer1, Harry N Shair, Susan A Brunelli
1Columbia University and Sackler Institute of Developmental Psychobiology, New York, New York, USA.
Current Protocols in Neuroscience
|April 23, 2008
Summary
Infant rats and mice use ultrasonic vocalizations (USVs) to communicate distress and social needs. These calls are influenced by isolation, maternal interaction, and predator cues, offering insights into early emotion and communication.
Area of Science:
- Animal Behavior
- Developmental Psychology
- Neuroscience
Background:
- Ultrasonic vocalizations (USVs) in infant rodents serve as indicators of affective states and early communication.
- Understanding USVs is crucial for studying the development of emotion and social interaction in mammals.
Purpose of the Study:
- To detail protocols for eliciting and analyzing ultrasonic vocalizations (USVs) in infant rodents.
- To investigate how social interactions modulate USV production.
- To establish a foundation for research on early development of emotion and communication.
Main Methods:
- Basic isolation testing procedure for eliciting USVs.
- Elicitation of contact quieting response with littermates and dam.
- Potentiation of USVs by brief maternal interaction.
- Suppression of USVs by predator scent.
Main Results:
- Established four distinct protocols for USV elicitation and modulation.
- Demonstrated that social interactions significantly regulate USV.
- Showcased predator scent's suppressive effect on USVs.
Conclusions:
- The described protocols provide a robust framework for studying USV.
- Social interactions play a critical role in regulating distress vocalizations.
- This research advances the understanding of emotion and communication development in an animal model.
