The role of inhibition in the production of disfluencies

Paul E. Engelhardt, Martin Corley, Joel Nigg, Fernanda Ferreira

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Disfluency is a common occurrence in speech and is generally thought to be related to difficulty in the production system. One unexplored issue is the extent to which inhibition is required to prevent incorrect speech plans from being articulated. Therefore, we examined disfluency production in participants with attentiondeficit/hyperactivity disorder (ADHD), which is linked to deficits in inhibitory function and response suppression (Nigg, 2001). Participants completed a sentence production task in which they were presented with two pictures and a verb and their task was to produce a sentence. If inhibition plays a role in preventing incorrect speech plans, we would expect ADHD participants to produce more repetition and repair disfluencies than would non-ADHD controls. The results showed that one subtype of ADHD (i.e., the combined) produced more repair disfluencies as task demands increased. We conclude that the production system relies on inhibitory control in order to prevent errors in language production.

Original languageEnglish (US)
Pages (from-to)617-628
Number of pages12
JournalMemory and Cognition
Volume38
Issue number5
DOIs
StatePublished - Jul 2010

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Language
Disfluency
Inhibition (Psychology)
Attention Deficit Hyperactivity Disorder
Repair
Inhibitory Control
Hyperactivity
Sentence Production
Verbs
Language Production
Suppression

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology
  • Medicine(all)

Cite this

The role of inhibition in the production of disfluencies. / Engelhardt, Paul E.; Corley, Martin; Nigg, Joel; Ferreira, Fernanda.

In: Memory and Cognition, Vol. 38, No. 5, 07.2010, p. 617-628.

Research output: Contribution to journalArticle

Engelhardt, PE, Corley, M, Nigg, J & Ferreira, F 2010, 'The role of inhibition in the production of disfluencies', Memory and Cognition, vol. 38, no. 5, pp. 617-628. https://doi.org/10.3758/MC.38.5.617
Engelhardt, Paul E. ; Corley, Martin ; Nigg, Joel ; Ferreira, Fernanda. / The role of inhibition in the production of disfluencies. In: Memory and Cognition. 2010 ; Vol. 38, No. 5. pp. 617-628.
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