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Effects Of Physiological Arousal On Speech Motor Control And Speech Motor Practice In Preschool-Age Children Who Do And Do Not Stutter, Victoria Tumanova, Carly Woods, Qiu Wang

Communication Sciences and Disorders - All Scholarship

Purpose: We examined the effects of physiological arousal on speech motor control and speech motor practice effects in preschool-age children who do (CWS) and do not stutter (CWNS). Method: Participants included 18 CWS (mean age 4 years, 5 months) and 18 age- and gender-matched CWNS. The participants repeated a phrase “buy bobby a puppy” interspersed with viewing pictures from the International Affective Picture System under two experimental conditions speaking after viewing pictures with (1) negative, and (2) neutral valence. Participants’ lip movements were tracked using Optotrak system. The spatio-temporal index (STI; Smith, Goffman, Zelaznik, Ying & McGillem, 1995) and mean …