2018 Joint World Congress: Hiroshima, Japan

Shanley TRELEAVEN1, Geoffrey COALSON1

1Louisiana State University, strele1@lsu.edu

Abstract. Research has suggested manual response inhibition as a potential area of compromise in persons who stutter. The present study examined stop-signal response latencies between AWS (n=17) and AWNS (n=17) while also controlling for participants’ nonverbal intelligence – a factor known to contribute to manual response inhibition.  Manual response latencies were also examined in relation to stuttering severity during a 300-word conversational speech sample. Results indicated AWS were slower to inhibit inaccurate manual responses than AWNS when nonverbal intelligence was controlled. However, no significant relationship was observed between stuttering severity and non-vocal manual response inhibition in AWS.  

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