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This study assessed the impact of a conscious imitation goal on phonetic convergence during conversational interaction. Twelve pairs of unacquainted talkers participated in a conversational task designed to elicit between-talker repetitions of the same lexical items. To assess the degree to which the talkers exhibited phonetic convergence during the(More)
Co-speech gestures traditionally have been considered communicative, but they may also serve other functions. For example, hand-arm movements seem to facilitate both spatial working memory and speech production. It has been proposed that gestures facilitate speech indirectly by sustaining spatial representations in working memory. Alternatively, gestures(More)
A distinctly social ability that underlies shared meaning, empathy, and cooperation is taking the perspective of another person during conversation. Research on communication has explored the manner in which human speakers account for their listeners' perspectives and adjust their communications in their attempts to be understood (e. listeners' group(More)
The origin and functions of the hand and arm gestures that accompany speech production are poorly understood. It has been proposed that gestures facilitate lexical retrieval, but little is known about when retrieval is accompanied by gestural activity and how this activity is related to the semantics of the word to be retrieved. Electromyographic (EMG)(More)
RATIONALE Most reports of the effects of methamphetamine and 3,4-methylenedioxymethamphetamine (MDMA) on speech have been anecdotal. OBJECTIVES The current study used a within-participant design to assess the effects of methamphetamine and MDMA on speech. MATERIALS AND METHODS Eleven recreational users of amphetamines completed this inpatient,(More)
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