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Recording Mouse Ultrasonic Vocalizations to Evaluate Social Communication

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Early Vocal Development in Tuberous Sclerosis Complex.

Tanjala T Gipson¹, Gordon Ramsay², Ellen E Ellison¹

¹University of Tennessee Health Sciences Center, Boling Center for Disabilities, Le Bonheur Children's Hospital, Memphis, Tennessee.

Pediatric Neurology

|October 10, 2021

Summary

This summary is machine-generated.

Infants with tuberous sclerosis complex (TSC) show delayed speech precursors like canonical babbling. Early vocalization analysis in TSC infants may predict future language and developmental challenges.

Keywords:

Autism spectrum disorder Canonical babbling Language Tuberous sclerosis complex Vocal development Volubility

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Area of Science:

Developmental Pediatrics
Speech-Language Pathology
Genetics

Background:

Tuberous Sclerosis Complex (TSC) is a genetic disorder that can affect brain development.
Early vocalizations are critical precursors to speech development.
Assessing these precursors in infants with TSC can provide insights into potential developmental trajectories.

Purpose of the Study:

To evaluate early vocalizations as speech precursors in infants with TSC.
To compare vocalization patterns in infants with TSC to typically developing (TD) infants.

Main Methods:

Analysis of 74 audio-video recordings from 40 infants with TSC.
Assessment of volubility (syllables per minute) and canonical babbling (consonant-vowel combinations).
Comparison of data with TD infants from laboratory and home recordings.

Main Results:

Majority of infants with TSC exhibited delayed entry into canonical babbling.
Canonical babbling ratio was significantly lower in infants with TSC compared to TD infants.
Volubility was less than half in infants with TSC compared to TD infants.

Conclusions:

Delayed canonical babbling and other speech precursors in infants with TSC may indicate potential language and developmental delays.
Further research with larger samples and standardized recording conditions is warranted to predict language and developmental outcomes.