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Related Experiment Videos

Speech and nonspeech sequence skill learning in adults who stutter.

Sarah Smits-Bandstra1, Luc F De Nil, Jean A Saint-Cyr

  • 1Graduate Department of Speech-Language Pathology, University of Toronto, Canada. sarah.smits.bandstra@utoronto.ca

Journal of Fluency Disorders
|June 1, 2006
PubMed
Summary

Persons who stutter (PWS) showed differences in learning speed and retention compared to fluent speakers (PNS) in speech and nonspeech tasks. These findings suggest distinct early-stage sequence skill learning processes in PWS.

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Area of Science:

  • Speech-language pathology
  • Motor learning
  • Neuroscience

Background:

  • Understanding sequence skill learning in persons who stutter (PWS) is crucial for developing targeted interventions.
  • Previous research has explored PWS performance on various tasks, but sequence learning differences require further investigation.

Purpose of the Study:

  • To compare sequence skill learning between persons who stutter (PWS) and persons who do not stutter (PNS).
  • To investigate differences in speed, accuracy, retention, and transfer of sequence learning in speech and nonspeech tasks.

Main Methods:

  • Two studies were conducted, involving PWS and matched PNS groups.
  • Participants completed finger tapping and read-aloud nonsense syllable sequence tasks.
  • Performance was measured by accuracy, reaction time, and sequence duration over practice, including retention and transfer tests.

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Main Results:

  • Significant differences were observed between PWS and PNS in the speed of sequencing performance post-practice.
  • Retention and transfer tests also revealed significant between-group differences.
  • These results indicate potential variations in early-stage sequence skill learning.

Conclusions:

  • Persons who stutter (PWS) exhibit differences in sequence skill learning compared to fluent speakers (PNS).
  • These differences are evident in the speed of performance, retention, and transfer of learned sequences.
  • The findings suggest that PWS may have distinct mechanisms underlying early sequence skill acquisition.