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How Stuttering Develops: The Multifactorial Dynamic Pathways Theory.

Anne Smith1, Christine Weber1

  • 1Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, Indiana.

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Summary
This summary is machine-generated.

Stuttering development involves complex interactions of motor, linguistic, and emotional factors. The multifactorial dynamic pathways theory highlights how these influence a child's unique journey with childhood onset fluency disorder.

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Area of Science:

  • Neurodevelopmental disorders
  • Speech-language pathology
  • Child psychology

Background:

  • Stuttering, or childhood onset fluency disorder, is a neurodevelopmental condition.
  • Its onset coincides with rapid development of neural networks for speech, language, and emotion.

Purpose of the Study:

  • To update the multifactorial dynamic pathways theory of stuttering.
  • To explain the complex, nonlinear interactions of factors in stuttering development.

Main Methods:

  • Review of evidence on stuttering development.
  • Inclusion of genetic/epigenetic, motor, linguistic, and emotional factors.
  • Consideration of neuroimaging studies.

Main Results:

  • Stuttering involves speech sensorimotor impairments.
  • Linguistic and emotional factors significantly condition the life-span course of stuttering.
  • Preschool years are critical due to rapid neurobehavioral changes and system interactions.

Conclusions:

  • The multifactorial dynamic pathways theory guides research on stuttering etiology and recovery.
  • Understanding individual pathways is key to identifying factors promoting recovery from childhood onset fluency disorder.