Item-Specific Adaptation and the Conflict-Monitoring Hypothesis: A Computational Model

Chris Blais*, Serje Robidoux, Evan F. Risko, Derek Besner

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    136 Citations (Scopus)


    M. M. Botvinick, T. S. Braver, D. M. Barch, C. S. Carter, and J. D. Cohen (2001) implemented their conflict-monitoring hypothesis of cognitive control in a series of computational models. The authors of the current article first demonstrate that M. M. Botvinick et al.'s (2001) conflict-monitoring Stroop model fails to simulate L. L. Jacoby, D. S. Lindsay, and S. Hessels's (2003) report of an item-specific proportion-congruent (ISPC) effect in the Stroop task. The authors then implement a variant of M. M. Botvinick et al.'s model based on the assumption that control must be able to operate at the item level. This model successfully simulates the ISPC effect. In addition, the model provides an alternative to M. M. Botvinick et al.'s explanation of the list-level proportion-congruent effect in terms of an ISPC effect. Implications of the present modeling effort are discussed.

    Original languageEnglish
    Pages (from-to)1076-1086
    Number of pages11
    JournalPsychological Review
    Issue number4
    Publication statusPublished - Oct 2007


    • conflict
    • conflict monitoring
    • control
    • Stroop


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