14th International Congress of Phonetic Sciences (ICPhS-14) San Francisco, CA, USA August 1-7, 1999

Voice and Parkinson's Disease: A Study of Pitch, Tonal Range, and Fundamental Frequency Variations

Benoît Lagrue (1), Pierre Mignard (2), François Viallet (3), Ratka Gantcheva (3)

(1) Laboratoire Parole et Langage, Université de Provence, Aix-en-Provence, France
(2) Service de Réeducation Fonctionnelle, CHPA, Aix-en-Provence, France
(3) Service de Neurologie, CHPA, Aix-en-Provence, France

In this preliminary study, we tested the comprehension and the production of tonal events in a group of parkinsonian patients with and without pharmacological treatment in comparison with control subjects. Significant differences were found in the production task only: pitch, tonal range, and fundamental frequency variations in the parkinsonian group were reduced.

Full Paper

Bibliographic reference.  Lagrue, Benoît / Mignard, Pierre / Viallet, François / Gantcheva, Ratka (1999): "Voice and Parkinson's disease: a study of pitch, tonal range, and fundamental frequency variations", In ICPhS-14, 1811-1813.