Purpose: In this study, the authors investigated emotional prosody in patients with moderate Dementia of the Alzheimer's type (DAT) With Late Onset. It was expected that both expression and reception of prosody would be impaired relative to age-matched controls. Method: Twenty DAT and 20 control participants engaged in 2 expressive and 2 receptive…

This paper examined the fundamental frequency variation in the narratives of individuals with high-functioning autism (HFA) and typical controls matched on age, IQ, and verbal abilities. Study 1 found increased fundamental frequency variation in the speech of 21 children and adolescents with HFA when compared to 21 typical controls. Study 2…

This study compared the relationship between acoustic parameters and listeners' perceptions of intonation contours produced by 12 children (ages 7-14) either with severe-to-profound hearing impairments (HI) or normal-hearing (NH). The HI children's productions were generally similar to the NH children in that they used fundamental frequency,…