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Related Experiment Videos

Writing with the right hemisphere.

S Z Rapcsak1, P M Beeson, A B Rubens

  • 1Neurology Service, V.A. Medical Center, Tucson, Arizona 85723.

Brain and Language
|November 1, 1991
PubMed
Summary
This summary is machine-generated.

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This study shows that deep agraphia, a writing disorder, may result from right hemisphere damage. The patient

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Linguistics

Background:

  • Investigated writing deficits after extensive left hemisphere stroke.
  • Examined the role of hemisphere specialization in language and writing.

Observation:

  • A strongly right-handed male with a massive stroke affecting the left hemisphere was studied.
  • Writing abilities were assessed, focusing on lexical-semantic and phonological processing.

Findings:

  • The patient exhibited sensitivity to word frequency, imageability, and part of speech.
  • Semantic errors occurred in dictation and naming tasks.
  • Impaired phonological spelling and agrammatism in spontaneous writing were noted.
  • These deficits align with right hemisphere language characteristics and deep agraphia.

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Implications:

  • Suggests deep agraphia is associated with right hemisphere writing capabilities.
  • Provides evidence for the hypothesis that the right hemisphere plays a role in certain aspects of writing.
  • Highlights the complex interplay between brain structure and language function.