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In a nervous voice: Acoustic analysis and perception of anxiety in social phobics' speech
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology.
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2008 (English)In: Journal of nonverbal behavior, ISSN 0191-5886, E-ISSN 1573-3653, Vol. 32, no 4, 195-214 p.Article in journal (Refereed) Published
Abstract [en]

This study investigated the effects of anxiety on nonverbal aspects of speech using data collected in the framework of a large study of social phobia treatment. The speech of social phobics (N = 71) was recorded during an anxiogenic public speaking task both before and after treatment. The speech samples were analyzed with respect to various acoustic parameters related to pitch, loudness, voice quality, and temporal apsects of speech. The samples were further content-masked by low-pass filtering (which obscures the linguistic content of the speech but preserves nonverbal affective cues) and subjected to listening tests. Results showed that a decrease in experienced state anxiety after treatment was accompanied by corresponding decreases in a) several acoustic parameters (i.e., mean and maximum voice pitch, high-frequency components in the energy spectrum, and proportion of silent pauses), and b) listeners' perceived level of nervousness. Both speakers' self-ratings of state anxiety and listeners' ratings of perceived nervousness were further correlated with similar acoustic parameters. The results complement earlier studies on vocal affect expression which have been conducted on posed, rather than authentic, emotional speech.

Place, publisher, year, edition, pages
2008. Vol. 32, no 4, 195-214 p.
Keyword [en]
Anxiety, Fear, Social phobia, Speech, Vocal expression
National Category
Psychology
Identifiers
URN: urn:nbn:se:uu:diva-16014DOI: 10.1007/s10919-008-0055-9ISI: 000259863300002OAI: oai:DiVA.org:uu-16014DiVA: diva2:43785
Available from: 2008-04-03 Created: 2008-04-03 Last updated: 2017-12-08Bibliographically approved

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Laukka, PetriLinnman, ClasÅhs, FredrikFrans, ÖrjanFaria, VandaMichelgård, ÅsaAppel, LieuweFredrikson, MatsFurmark, Tomas

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Laukka, PetriLinnman, ClasÅhs, FredrikFrans, ÖrjanFaria, VandaMichelgård, ÅsaAppel, LieuweFredrikson, MatsFurmark, Tomas
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Department of PsychologyDepartment of NeuroscienceDepartment of Oncology, Radiology and Clinical ImmunologySection of Nuclear Medicine and PET
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Journal of nonverbal behavior
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