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Related Experiment Video

Updated: Jul 8, 2025

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

Published on: July 26, 2024

Active Sampling in Primate Vocal Interactions.

Thiago T Varella¹, Daniel Y Takahashi², Asif A Ghazanfar¹

¹Princeton Neuroscience Institute & Department of Psychology, Princeton University, Princeton NJ 08544, USA.

Biorxiv : the Preprint Server for Biology

|December 18, 2023

Summary

This summary is machine-generated.

Marmoset monkeys use vocalizations not just to communicate, but to actively seek information about their social environment. This active sensing behavior helps them gather crucial social data through vocal exchanges.

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Last Updated: Jul 8, 2025

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

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Published on: July 26, 2024

Recording Mouse Ultrasonic Vocalizations to Evaluate Social Communication

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Published on: June 5, 2016

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs

Published on: May 9, 2017

Area of Science:

Animal Behavior
Primatology
Bioacoustics

Background:

Active sensing is a key strategy for environmental exploration.
Vocal interactions in primates are complex and their precise function is still debated.
Understanding the role of vocalizations in social information gathering is crucial.

Approach:

Focused on real-time vocal interactions of marmoset monkeys.
Contrasted active sampling with a vocal accommodation framework.
Utilized simulations and compared them with empirical vocal exchange data.

Key Points:

Contact vocal behaviors can function as an active sensing mechanism.
Marmoset vocal exchanges are best modeled by active sampling, not just vocal accommodation.
The active sampling model accurately predicted vocal duration distributions in some cases.

Conclusions:

Primate vocal interactions serve a novel function in actively seeking social information.
This study provides evidence for active sensing in the social domain via vocalizations.
Active sampling offers a new perspective on the evolution and function of primate communication.