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Updated: Jan 3, 2026

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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Language Mapping in Aphasia.

Stephen M Wilson1, Dana K Eriksson2, Melodie Yen1

  • 1Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, TN.

Journal of Speech, Language, and Hearing Research : JSLHR
|November 23, 2019
PubMed
Summary
This summary is machine-generated.

New functional magnetic resonance imaging (fMRI) paradigms reliably map language regions in individuals with aphasia. These adaptive fMRI tools are crucial for understanding neural plasticity and recovery from aphasia.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Speech and Language Pathology

Background:

  • Recovery from aphasia relies on neural plasticity, involving functional reorganization of brain regions for language processing.
  • Accurate identification of language regions in the brain is essential for studying this reorganization process.
  • Existing methods for functional magnetic resonance imaging (fMRI) language mapping in aphasia require further validation.

Purpose of the Study:

  • To develop and validate novel fMRI paradigms for precise language mapping in individuals with aphasia.
  • To assess the feasibility, reliability, and validity of these adaptive paradigms.
  • To compare the performance of novel paradigms against commonly used language mapping techniques.

Main Methods:

  • Reviewed three studies involving the development and validation of fMRI paradigms.
  • Investigated reliability and validity of four paradigms in healthy older adults.
  • Developed and assessed adaptive semantic matching, rhyme judgment, and syllable counting paradigms in individuals with and without aphasia.

Main Results:

  • The adaptive semantic matching paradigm demonstrated feasibility, reliability, and validity in individuals with aphasia, outperforming traditional methods.
  • This paradigm successfully mapped core perisylvian language regions in individual participants.
  • The adaptive rhyme judgment paradigm effectively identified fronto-parietal phonological encoding regions.

Conclusions:

  • Novel adaptive fMRI language mapping paradigms show significant promise for research into the neural basis of aphasia recovery.
  • These validated methods provide a more accurate approach to individual language brain mapping.
  • Future research can leverage these tools to advance our understanding of neural plasticity in aphasia.