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Related Experiment Videos

Attentional functions in speech fluency disorders.

Ragnhild Rekve Heitmann1, Arve Asbjørnsen, Turid Helland

  • 1Centre for Logopedics, Eikelund Resource Centre, Bergen, Norway. ragnhild.r.heitmann@statped.no

Logopedics, Phoniatrics, Vocology
|September 17, 2004
PubMed
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People who stutter showed slower attention shifts compared to those who clutter or speak fluently. This suggests stuttering, not cluttering, may involve impaired attentional skills, though more research is needed.

Area of Science:

  • Neuroscience
  • Speech-Language Pathology

Background:

  • Fluency disorders, such as stuttering and cluttering, can impact communication.
  • Attentional functions are crucial for cognitive processing and may be affected in various neurological conditions.

Purpose of the Study:

  • To investigate attentional functions in individuals who stutter and individuals who clutter.
  • To compare attentional performance and psychophysiological responses between stuttering, cluttering, and fluent groups.

Main Methods:

  • Participants included nine persons who stuttered, eight who cluttered, and nine fluent controls.
  • Subjects completed attention tasks, including the Posner Test of Covert Attention Shifts.
  • Psychophysiological measures, such as heart rate variability and skin conductance, were recorded.

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Main Results:

  • The stuttering group exhibited significantly longer response times on the Posner Test of Covert Attention Shifts compared to the other groups.
  • This effect was more pronounced when targets appeared in the right visual field.
  • No significant differences in physiological activation (heart rate, skin conductance, heart rate variability) were found between groups.

Conclusions:

  • The findings support the hypothesis that stuttering may be associated with impaired skills in focusing attention.
  • Cluttering did not appear to be linked with deficits in focused attentional skills.
  • The study acknowledges limitations due to small sample sizes, cautioning against definitive conclusions.