Vowel articulation in Parkinson's disease.

[1]  G. Canter.  SPEECH CHARACTERISTICS OF PATIENTS WITH PARKINSON'S DISEASE. 3. ARTICULATION, DIADOCHOKINESIS, AND OVER-ALL SPEECH ADEQUACY. , 1965, The Journal of speech and hearing disorders.

[2]  A. Aronson,et al.  Differential diagnostic patterns of dysarthria. , 1969, Journal of speech and hearing research.

[3]  J. Abbs,et al.  The relationship between parkinsonian rigidity and hypokinesia in the orofacial system , 1982, Neurology.

[4]  W. Ziegler,et al.  Die Dysarthrophonie des Parkinson-Syndroms , 1989 .

[5]  M. Caligiuri.  The influence of speaking rate on articulatory hypokinesia in parkinsonian dysarthria , 1989, Brain and Language.

[6]  G. Weismer,et al.  Kinematic, acoustic, and perceptual analyses of connected speech produced by parkinsonian and normal geriatric adults. , 1989, The Journal of the Acoustical Society of America.

[7]  A. Lees,et al.  What features improve the accuracy of clinical diagnosis in Parkinson's disease , 1992, Neurology.

[8]  T Hehr,et al.  Oral diadochokinesis in neurological dysarthrias. , 1995, Folia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics.

[9]  G. Weismer,et al.  The influence of speaking rate on vowel space and speech intelligibility for individuals with amyotrophic lateral sclerosis. , 1995, Journal of speech and hearing research.

[10]  L. T. Robertson,et al.  Jaw movement dysfunction related to Parkinson's disease and partially modified by levodopa. , 1996, Journal of neurology, neurosurgery, and psychiatry.

[11]  David B. Pisoni,et al.  Intelligibility of normal speech I: Global and fine-grained acoustic-phonetic talker characteristics , 1996, Speech Commun..

[12]  M. Blomgren,et al.  A note on vowel centralization in stuttering and nonstuttering individuals. , 1998, Journal of speech, language, and hearing research : JSLHR.

[13]  E S Luschei,et al.  Thyroarytenoid muscle activity associated with hypophonia in Parkinson disease and aging , 1998, Neurology.

[14]  S. Leurgans,et al.  Effects of central dopaminergic stimulation by apomorphine on speech in Parkinson’s disease , 2000, Neurology.

[15]  Raymond D. Kent,et al.  Acoustic and Intelligibility Characteristics of Sentence Production in Neurogenic Speech Disorders , 2000, Folia Phoniatrica et Logopaedica.

[16]  Raymond D. Kent,et al.  Acoustic and intelligibility characteristics of sentence production in neurogenic speech disorders. , 1997, Folia phoniatrica et logopaedica : official organ of the International Association of Logopedics and Phoniatrics.

[17]  C. Coelho,et al.  Acoustic analysis of parkinsonian speech I: speech characteristics and L-Dopa therapy. , 2002, NeuroRehabilitation.

[18]  C. Coelho,et al.  Phonatory characteristics of parkinsonian speech before and after morning medication: the ON and OFF states. , 2002, Journal of communication disorders.

[19]  Paul Boersma,et al.  Praat, a system for doing phonetics by computer , 2002 .

[20]  Raymond D. Kent,et al.  Toward an acoustic typology of motor speech disorders , 2003, Clinical linguistics & phonetics.

[21]  The Unified Parkinson's Disease Rating Scale (UPDRS): Status and recommendations , 2003, Movement disorders : official journal of the Movement Disorder Society.

[22]  P. Santens,et al.  The effects of levodopa on tongue strength and endurance in patients with Parkinson's disease. , 2003, Acta neurologica Belgica.

[23]  S. H. Ferguson,et al.  Talker differences in clear and conversational speech: vowel intelligibility for normal-hearing listeners. , 2004, The Journal of the Acoustical Society of America.

[24]  G. Turner,et al.  Characteristics of the lax vowel space in dysarthria. , 2005, Journal of speech, language, and hearing research : JSLHR.

[25]  Patrick Santens,et al.  The effects of levodopa on word intelligibility in Parkinson's disease. , 2005, Journal of communication disorders.

[26]  P. Boon,et al.  The effect of levodopa on respiration and word intelligibility in people with advanced Parkinson's disease , 2007, Clinical Neurology and Neurosurgery.

[27]  John L Bradshaw,et al.  For better or worse: The effect of levodopa on speech in Parkinson's disease , 2008, Movement disorders : official journal of the Movement Disorder Society.

[28]  A. Neel,et al.  Vowel space characteristics and vowel identification accuracy. , 2008, Journal of speech, language, and hearing research : JSLHR.

[29]  S. Skodda,et al.  Speech rate and rhythm in Parkinson's disease , 2008, Movement disorders : official journal of the Movement Disorder Society.

[30]  Benjamin Munson,et al.  Parkinson's disease and the effect of lexical factors on vowel articulation. , 2008, The Journal of the Acoustical Society of America.

[31]  S. Skodda,et al.  Progression of dysprosody in Parkinson's disease over time—A longitudinal study , 2009, Movement disorders : official journal of the Movement Disorder Society.

[32]  Shimon Sapir,et al.  Articulatory changes in muscle tension dysphonia: evidence of vowel space expansion following manual circumlaryngeal therapy. , 2009, Journal of communication disorders.

[33]  Jennifer L. Spielman,et al.  Formant centralization ratio: a proposal for a new acoustic measure of dysarthric speech. , 2010, Journal of speech, language, and hearing research : JSLHR.

[34]  S. Skodda,et al.  Gender-related patterns of dysprosody in Parkinson disease and correlation between speech variables and motor symptoms. , 2011, Journal of voice : official journal of the Voice Foundation.