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Updated: Feb 8, 2026
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Recording Mouse Ultrasonic Vocalizations to Evaluate Social Communication
Published on: June 5, 2016
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Computational Analysis of Neonatal Mouse Ultrasonic Vocalization
Pilib Ó Broin1, Michael V Beckert2, Tomohisa Takahashi3
1School of Mathematics, Statistics & Applied Mathematics, National University of Ireland Galway, Galway, Ireland.
Current Protocols in Mouse Biology
|June 22, 2018
Summary
Altered mouse pup vocalizations in autism spectrum disorder (ASD) models disrupt maternal communication. New methods analyze call sequences to reveal critical structures in developmental disorders.
Area of Science:
- Neuroscience
- Animal Models
- Developmental Biology
Background:
- Neonatal vocalizations are crucial for maternal care and social bonding.
- Previous research indicates structural alterations in pup vocalizations in mouse models of autism spectrum disorder (ASD).
- These vocalization changes, particularly under maternal separation, can impair pup-mother social communication.
Purpose of the Study:
- To detail a novel method for analyzing the statistical structure of neonatal vocalization sequences.
- To identify functionally critical call sequences for optimal maternal care.
- To reveal hidden call structures altered in mouse models of neurodevelopmental disorders like ASD and schizophrenia.
Main Methods:
- Entropy analysis to quantify the non-randomness of call sequences.
- Markov models to determine actual pup call sequences.
- Sparse partial least squares discriminant analysis (sPLS-DA) to differentiate groups and assess variability.
Main Results:
- The described method successfully reveals the statistical structure of pup vocalizations.
- Analysis identified specific call sequences critical for maternal care.
- sPLS-DA differentiated between groups based on call sequence variability.
Conclusions:
- The developed analytical approach can identify altered call structures in mouse models of ASD and schizophrenia.
- This method offers insights into the functional significance of vocalization patterns in neurodevelopmental disorders.
- Understanding these hidden structures is key to deciphering social communication deficits.
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