Selective difficulties with spoken nouns and written verbs: A single case study

Brenda Rapp, Alfonso Caramazza

Research output: Contribution to journalArticlepeer-review

88 Scopus citations


We describe an individual who exhibits greater difficulties in speaking nouns than verbs and greater difficulties in writing verbs than nouns across a range of both single word and sentence production tasks. This double dissociation of grammatical category by modality within a single individual represents an important challenge to the claim that all apparent category grammatical deficits can be reduced to the effects of the various semantic variables. The modality-specific nature of the findings clearly support the representation of grammatical category distinctions at post-semantic levels of representations and processing and they raise a number of questions regarding the specific instantiation of these distinctions within current theoretical frameworks of language production.

Original languageEnglish (US)
Pages (from-to)373-402
Number of pages30
JournalJournal of Neurolinguistics
Issue number3-5
StatePublished - 2002


  • Category specific deficits
  • Grammatical deficits
  • Modality-specific deficits
  • Nouns
  • Verbs

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)
  • Linguistics and Language
  • Cognitive Neuroscience


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