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Perceived Closeness and Autistic Traits Modulate Interpersonal Vocal Communication
T A Sumathi1, Olivia Spinola2,3,4, Nandini Chatterjee Singh1
1National Brain Research Centre, Language, Literacy and Music Laboratory, Manesar, India.
Frontiers in Psychiatry
|March 18, 2020
Summary
Vocal modulation, key to communication, is influenced by interpersonal closeness and autistic traits. Greater closeness enhanced vocal articulation space, while autistic traits showed a slight negative association.
Area of Science:
- Psychology
- Linguistics
- Communication Studies
Background:
- Vocal modulation is crucial for interpersonal communication, self-expression, and social behavior.
- Variations in vocal modulation can stem from individual characteristics and dyadic factors like perceived closeness.
- Autism Spectrum Disorders are often associated with atypical vocal modulation.
Purpose of the Study:
- To investigate the influence of autistic traits on vocal modulation at an individual level.
- To examine the role of perceived interpersonal closeness on vocal modulation at a dyadic level.
- To explore variations in vocal modulation across different cultural samples.
Main Methods:
- Recorded conversations from 85 same-sex pairs across India, Italy, and the UK.
- Extracted articulatory features to calculate the articulation space.
- Analyzed the relationship between articulation space, autistic traits, and interpersonal closeness.
Main Results:
- Articulation space positively correlated with perceived interpersonal closeness.
- A weak negative association was found between articulation space and autistic traits.
- Vocal modulation exhibits both individual and dyadic influences.
Conclusions:
- Interpersonal closeness significantly enhances vocal articulation space.
- Autistic traits show a subtle negative impact on vocal modulation.
- Findings offer novel insights into factors influencing interpersonal vocal communication.
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