Related Experiment Videos
Towards a functional neural systems model of developmental stuttering
Roger J Ingham1, Janis C Ingham, Patrick Finn
1The Department of Speech and Hearing Sciences, University of California, Santa Barbara, CA, USA. rjingham@speech.ucsb.edu
Journal of Fluency Disorders
|December 4, 2003
Summary
Brain imaging reveals key areas in developmental stuttering. The right anterior insula is activated, while temporal gyri are deactivated, offering insights into speech fluency and treatment.
Area of Science:
- Neuroscience
- Speech Science
- Medical Imaging
Background:
- Developmental stuttering research utilizes brain imaging to understand neural underpinnings.
- Ongoing research at UT Health Science Center, San Antonio, focuses on persistent and recovered stutterers.
- Previous studies have used H(2)15O PET imaging to identify brain regions associated with stuttered speech.
Purpose of the Study:
- To overview recent brain imaging research in developmental stuttering.
- To apply Jürgens' neural model of speech production to stuttering research.
- To investigate neural correlates of stuttering in persistent, recovered, and treated individuals.
Main Methods:
- Utilized H(2)15O PET imaging during various speaking tasks.
- Employed condition contrasts and performance correlation techniques.
- Analyzed data within the framework of Jürgens' neural model of speech production.
Main Results:
- Identified specific neural regions consistently associated with stuttering.
- Right anterior insula showed activation during stuttering.
- Anterior middle and superior temporal gyri (mainly right hemisphere) showed deactivation.
Conclusions:
- Findings are integrated within Jürgens' neural model of speech production.
- Preliminary data from late recovered and treated stutterers are presented.
- Future imaging research directions for understanding stuttering are discussed.