Consonant Acoustics in Parkinson's Disease and Multiple Sclerosis: Comparison of Clear and Loud Speaking Conditions.


Purpose The impact of clear speech or an increased vocal intensity on consonant spectra was investigated for speakers with mild dysarthria secondary to multiple sclerosis or Parkinson's disease and healthy controls. Method Sentences were read in habitual, clear, and loud conditions. Spectral moment coefficients were obtained for word-initial and word… (More)
DOI: 10.1044/2017_AJSLP-16-0090