Vocal communication: Sound check in the primate brain
Elena Cavani1, Steffen R Hage1
1Neurobiology of Social Communication, Department of Otolaryngology - Head and Neck Surgery, Hearing Research Center, University of Tübingen, Medical Center, 72076 Tübingen, Germany; Werner Reichardt Centre for Integrative Neuroscience, University of Tübingen, 72076 Tübingen, Germany.
Current Biology : CB
|June 10, 2025
Summary
Marmoset monkeys exhibit bidirectional brain communication between frontal and auditory cortices during vocalization. This neural pathway is crucial for vocal self-monitoring and detecting errors in vocal output.
Area of Science:
- Neuroscience
- Primatology
- Bioacoustics
Background:
- Vocal communication requires precise sound production and auditory feedback for self-monitoring.
- Understanding the neural basis of vocal control is essential for studying speech and language disorders.
Purpose of the Study:
- To investigate the neural mechanisms of vocal self-monitoring in marmoset monkeys.
- To identify brain regions involved in real-time auditory feedback processing during vocalization.
Main Methods:
- Electrophysiological recordings in awake, vocalizing marmoset monkeys.
- Analysis of neural activity in frontal and auditory cortical areas during vocal tasks.
Main Results:
- Demonstrated bidirectional neural communication between frontal and auditory cortices during vocalization.
- Evidence for the role of these interconnected areas in processing auditory feedback for vocal control.
Conclusions:
- The frontal and auditory cortices play a critical role in vocal monitoring and error detection.
- Findings provide insights into the neural circuitry underlying vocal learning and adaptation in primates.
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