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Stimuli were designed to manipulate prominence on a target word that contrasted with a minimal pair that differed in the onset consonant. Outcomes included acoustic measures of prominence as a function of group and prominence condition. Overall, people with PD manipulated prominent words in similar ways to controls with respect to speech intensity and duration. An attenuated use of f0 was found in the PD group to differentiate prominent and non-prominent words. Group differences, but not differences in prominence marking, were found for vowel formants. 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