The role of labiolingual gestural coordination in spatiotemporal facilitation of speech production in Turkish, Turkmen and Hindi
نویسندگان
چکیده
Sound patterns of vowel harmony reduce articulatory effort which facilitates speech production with increased speech rate and accuracy. We argue that back harmony patterns reduce articulatory effort compared to height harmony and non-harmony patterns and harmony patterns formed from front unrounded (FU) vowels reduce articulatory effort compared to those of front rounded (FR)vowels. We report on a series of priming experiments on Turkish, Turkmen and Hindi. The stimuli consist of items that are primed for back harmony (BH), disharmony (DH) and height harmony (HH) sequences under two conditions; front rounded vowel (FR) and front unrounded vowel (FU). The vowels /i/,/e/,/y/,/ø/,/u/,/o/ and consonants /p/,/t/,/k/ form segments used in the stimuli. Results of the LME test report that harmony patterns of FU condition increase speech rate and accuracy compared to the harmony patterns of FR condition; BH patterns increase speech rate compared to HH and DH patterns of FU condition.
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