Disruption of semantic influence on writing following a left prefrontal lesion

Steven Z. Rapcsak, Alan B. Rubens

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


We report a patient with impaired spontaneous writing, written naming, and homophone spelling, consistent with a disruption of semantic influence on writing. However, writing to dictation by both the phonological and lexical spelling systems was intact. In addition, general semantic abilities were spared, as indicated by preserved auditory and reading comprehension. We propose that our patient could not incorporate meaning into writing because of a disruption of both direct and indirect connections between semantics and the orthographic output lexicon. The writing dysfunction was accompanied by a similar impairment of speech output, suggesting that it was part of a more general disturbance of semantic influence on language production following left prefrontal damage.

Original languageEnglish (US)
Pages (from-to)334-344
Number of pages11
JournalBrain and Language
Issue number2
StatePublished - Feb 1990

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Speech and Hearing
  • Cognitive Neuroscience
  • Language and Linguistics
  • Linguistics and Language


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