A neurolinguistic model for the study of aphasia

G. Gainotti*, G. Miceli, C. Caltagirone

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


After having briefly discussed some of the most important models that are now used to understand or to classify the aphasic troubles, the authors explain the neurolinguistic model they are actually using to study some aspects of aphasics’ verbal and nonverbal behavior. This theoretical model distinguishes proper linguistic from extralinguistic disturbances in the various clinical forms of aphasia. The existence in aphasia of extralinguistic components that might, in some way, influence verbal performances, is accepted by most authors. Much less obvious is the existence, at least in some clinical forms of aphasia, of proper linguistic (competence) disturbances. Our theoretical model assumes that in most clinical forms of aphasia some impairment of the semantic (lexical) structures of language exists, and it maintains that this trouble can be found both at the expressive and at the receptive level, both in verbal and in nonverbal tasks. The results of some experimental investigations which give some support to this theoretical model, are briefly discussed.

Original languageEnglish
Pages (from-to)20-24
Number of pages5
JournalEuropean Neurology
Issue number1
Publication statusPublished - 1977
Externally publishedYes


  • Aphasia
  • Neurolinguistic model
  • Semantic impairment


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