“…That is, the three major prosodic features of voice pitch, loudness, and rate-rhythm were aOE ected to some extent in PD. In addition to the dysarthrias, impaired speech prosody has been noted for individuals with apraxia of speech (AOS; Kent and Rosenbek, 1982;, non-¯uent aphasia (Goodglass and Kaplan, 1972;Danly and Shapiro, 1982;Emmorey, 1987; but see Niemi, 1998 ), and right-hemisphere damage (Behrens, 1989;Blonder, Pickering, Heath, Smith and Butler, 1995 ).…”