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Related Experiment Videos

Stuttering: a dynamic motor control disorder.

Christy L Ludlow1, Torrey Loucks

  • 1Laryngeal and Speech Section, Clinical Neurosciences Program, National Institute of Neurological Disorders and Stroke, Bethesda, MD 20892-1416, USA. Ludlowc@ninds.nih.gov

Journal of Fluency Disorders
|December 4, 2003
PubMed
Summary
This summary is machine-generated.

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Stuttering may stem from abnormal neural timing and system-wide brain dysfunction, not a single region. This impacts speech production, differing from other motor control disorders.

Area of Science:

  • Neuroscience
  • Speech-language pathology
  • Neurology

Background:

  • Stuttering is a complex speech disorder.
  • Understanding its neural underpinnings is crucial for effective treatment.

Purpose of the Study:

  • To review neural mechanisms potentially dysfunctional in stuttering.
  • To explore the relationship between stuttering and other speech motor control disorders.

Main Methods:

  • Review of studies on neural activity in persons who stutter (PWS).
  • Analysis of brain lesions associated with acquired stuttering.
  • Comparison of stuttering with focal dystonias like spasmodic dysphonia (SD) and Tourette's syndrome (TS).

Main Results:

  • Abnormal neural timing in PWS suggests system-wide dysfunction.

Related Experiment Videos

  • Acquired stuttering often involves lesions outside primary speech areas, like the basal ganglia.
  • Stuttering shares features with, yet differs from, disorders like SD and TS.

    • Conclusions:

    • Stuttering arises from a system dysfunction affecting speech processing, not a single brain locus.
    • Neural timing abnormalities are implicated in the pathophysiology of stuttering.
    • Further research into the neural network dynamics of stuttering is warranted.