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Measuring emotion in the voice during psychotherapy interventions: a pilot study
María E Moneta1, Mario Penna, Hugo Loyola
1Faculty of Medicine, University of Chile, Santiago de Chile. mmoneta@med.uchile.cl
Biological Research
|July 22, 2009
Summary
This pilot study explored how voice prosody reflects emotional experiences. Secure attachment styles showed distinct vocal spectral parameters compared to preoccupied attachment styles, suggesting a link between early experiences and voice quality.
Area of Science:
- Psycholinguistics
- Psychotherapy Research
- Acoustic Phonetics
Background:
- The connection between voice characteristics and patients' inner psychological states in psychotherapy is underexplored.
- Understanding vocal cues can offer deeper insights into emotional experiences and attachment representations.
Purpose of the Study:
- To investigate the relationship between speech prosody and the emotional content of words.
- To analyze voice quality in relation to childhood emotional experiences and attachment styles.
Main Methods:
- Voices from semi-structured interviews were analyzed for spectral parameters, focusing on the "u" vowel in the word "mother".
- Subjects were categorized based on childhood experiences with caregivers and attachment representations (secure vs. preoccupied).
Main Results:
- Significant differences in the amplitude ratio of the second to third harmonic of the "u" vowel were observed between attachment groups.
- The secure attachment group exhibited a higher amplitude of the second harmonic relative to the third harmonic compared to the preoccupied group.
Conclusions:
- Vocal spectral parameters, specifically in the word "mother", may differentiate between attachment representations.
- These findings suggest that voice quality could serve as an indicator of emotional involvement and early life experiences in therapeutic contexts.
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