Literaturnachweis - Detailanzeige
| Autor/inn/en | Senthinathan, Anita; Adams, Scott; Page, Allyson D.; Jog, Mandar |
|---|---|
| Titel | Speech Intensity Response to Altered Intensity Feedback in Individuals with Parkinson's Disease |
| Quelle | In: Journal of Speech, Language, and Hearing Research, 64 (2021) 6, S.2261-2275 (15 Seiten)
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| Zusatzinformation | ORCID (Senthinathan, Anita) ORCID (Page, Allyson D.) |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1092-4388 |
| Schlagwörter | Neurological Impairments; Speech Impairments; Auditory Stimuli; Sensory Integration; Vowels; Sentences; Speech Communication; Acoustics; Cognitive Processes; Older Adults |
| Abstract | Purpose: Hypophonia (low speech intensity) is the most common speech symptom experienced by individuals with Parkinson's disease (IWPD). Previous research suggests that, in IWPD, there may be abnormal integration of sensory information for motor production of speech intensity. In the current study, intensity of auditory feedback was systematically manipulated (altered in both positive and negative directions) during sensorimotor conditions that are known to modulate speech intensity in everyday contexts in order to better understand the role of auditory feedback for speech intensity regulation. Method: Twenty-six IWPD and 24 neurologically healthy controls were asked to complete the following tasks--converse with the experimenter, start vowel production, and read sentences at a comfortable loudness, while hearing their own speech intensity randomly altered. Altered intensity feedback conditions included 5-, 10-, and 15-dB reductions and increases in the feedback intensity. Speech tasks were completed in no noise and in background noise. Results: IWPD displayed a reduced response to the altered intensity feedback compared to control participants. This reduced response was most apparent when participants were speaking in background noise. Specific task-based differences in responses were observed such that the reduced response by IWPD was most pronounced during the conversation task. Conclusions: The current study suggests that IWPD have abnormal processing of auditory information for speech intensity regulation, and this disruption particularly impacts their ability to regulate speech intensity in the context of speech tasks with clear communicative goals (i.e., conversational speech) and speaking in background noise. (As Provided). |
| Anmerkungen | American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2024/1/01 |
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