The Stroop task and attention deficits in schizophrenia: A critical evaluation of card and single-trial Stroop methodologies

William M. Perlstein, Cameron S Carter, Deanna M. Barch, James W. Baird

Research output: Contribution to journalArticle

123 Scopus citations

Abstract

The Stroop task, considered by many to be a paradigmatic measure of selective attention, has often been employed to investigate attention deficits in schizophrenia. Card and single-trial versions of this task have yielded different results. In this study both card and single-trial versions were administered to healthy controls (n = 24) and patients with schizophrenia (n = 55). No differences in reaction time (RT) interference were found on either version. On the single-trial version, patients showed greater RT facilitation and error rate interference, evidence for a deficit in selective attention. Methodologic and analytic issues that account for the mixed results from earlier card Stroop studies are addressed. It is concluded that single-trial versions provide greater sensitivity to selective attention pathology in schizophrenia.

Original languageEnglish (US)
Pages (from-to)414-425
Number of pages12
JournalNeuropsychology
Volume12
Issue number3
DOIs
StatePublished - Jul 1998
Externally publishedYes

ASJC Scopus subject areas

  • Biological Psychiatry
  • Neuropsychology and Physiological Psychology

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