Linguistic Processing and Reaction Time Differences in Stutterers and Nonstutterers Linguistic processing by the left and right cerebral hemispheres was investigated in 10 adult male stutterers and l0 matched nonstutterers. Subjects performed a lexical decision task in which nonword and real-word stimuli were presented tachistoscopically to the right and left visual hemifields. Vocal and manual reaction times to real words ... Research Article
Research Article  |   June 01, 1983
Linguistic Processing and Reaction Time Differences in Stutterers and Nonstutterers
 
Author Affiliations & Notes
  • C. Rebekah Hand
    Auburn University, Auburn, Alabama
  • William O. Haynes
    Auburn University, Auburn, Alabama
Article Information
Research Articles
Research Article   |   June 01, 1983
Linguistic Processing and Reaction Time Differences in Stutterers and Nonstutterers
Journal of Speech, Language, and Hearing Research, June 1983, Vol. 26, 181-185. doi:10.1044/jshr.2602.181
History: Received November 11, 1981 , Accepted May 7, 1982
 
Journal of Speech, Language, and Hearing Research, June 1983, Vol. 26, 181-185. doi:10.1044/jshr.2602.181
History: Received November 11, 1981; Accepted May 7, 1982

Linguistic processing by the left and right cerebral hemispheres was investigated in 10 adult male stutterers and l0 matched nonstutterers. Subjects performed a lexical decision task in which nonword and real-word stimuli were presented tachistoscopically to the right and left visual hemifields. Vocal and manual reaction times to real words were measured to assess hemispheric participation in processing linguistic information and to determine differences between response modes. The stuttering group exhibited a left visual field efficiency or right hemisphere preference for this task and were slower in both vocal and manual reaction times. Ramifications for hemispheric processing theories and laryngeal dysfunction hypothesis are discussed.

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