Corpus-based transitivity biases in individuals with aphasia

Jennifer DiLallo, Heidi Mettler, Gayle L DeDe

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: This study investigated whether individuals with aphasia (IWA) retain verb biases in expressive language. Verb biases refer to the likelihood that a given verb will occur in different sentence structures. We focused on the likelihood of verbs occurring in transitive and intransitive structures. Aims: The main goal of this study was to determine whether IWA and controls show similar verb biases or whether IWA show a preference for transitive or intransitive structures that supersedes individual verb biases. We also investigated whether IWA show a preference for intransitively or transitively biased verbs, whether verb biases differ as a function of aphasia type, and how verb bias affects errors in IWA’s speech production. Methods & Procedures: The current study analysed 236 transcribed interviews of IWA from AphasiaBank. All uses of 54 verbs were coded based on the sentence structure and the presence of errors. We report data from 11 transitively biased and 11 intransitively biased verbs. Outcomes & Results: IWA’s transitivity biases were indistinguishable from controls’ biases. In addition, IWA produced more intransitively biased verbs than transitively biased verbs overall. In ungrammatical productions, IWA’s error rates were higher in sentence structures that conflicted with verb bias and highest when an intransitively biased verb was attempted in a transitive structure. Conclusions: These findings indicate that IWA are sensitive to verb bias and verb complexity within expressive language. The effects are consistent with previous literature concerning IWA’s sensitivity to verb bias in receptive language tasks and to verb complexity in verb retrieval tasks.

Original languageEnglish (US)
Pages (from-to)447-464
Number of pages18
JournalAphasiology
Volume31
Issue number4
DOIs
StatePublished - Apr 3 2017
Externally publishedYes

Fingerprint

Aphasia
speech disorder
trend
Language
Corpus-based
Transitivity
Verbs
language
Verb Bias
Interviews

Keywords

  • Aphasia
  • AphasiaBank
  • expressive language
  • transitivity
  • verb bias

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Language and Linguistics
  • Developmental and Educational Psychology
  • Linguistics and Language
  • Neurology
  • Clinical Neurology
  • LPN and LVN

Cite this

Corpus-based transitivity biases in individuals with aphasia. / DiLallo, Jennifer; Mettler, Heidi; DeDe, Gayle L.

In: Aphasiology, Vol. 31, No. 4, 03.04.2017, p. 447-464.

Research output: Contribution to journalArticle

DiLallo, Jennifer ; Mettler, Heidi ; DeDe, Gayle L. / Corpus-based transitivity biases in individuals with aphasia. In: Aphasiology. 2017 ; Vol. 31, No. 4. pp. 447-464.
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