Pupillary Stroop effects
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https://hdl.handle.net/10037/3906DOI
doi: 10.1007/s10339-010-0370-zDato
2011Type
Journal articleTidsskriftartikkel
Peer reviewed
Sammendrag
We recorded the pupil diameters of participants
performing the words’ color-naming Stroop task (i.e., naming the color of a word that names a color). Non-color words were used as baseline to firmly establish the effects of semantic relatedness induced by color word distractors. We
replicated the classic Stroop effects of color congruency and color incongruency with pupillary diameter recordings: relative to non-color words, pupil diameters increased for color distractors that differed from color responses, while they reduced for color distractors that were identical to color responses. Analyses of the time courses of pupil responses revealed further differences between colorcongruent and color-incongruent distractors, with the latter inducing a steep increase of pupil size and the former a relatively lower increase. Consistent with previous findings that have demonstrated that pupil size increases as task demands rise, the present results indicate that pupillometry
is a robust measure of Stroop interference, and it represents a valuable addition to the cognitive scientist’s toolbox.
Forlag
SpringerSitering
Cognitive Processing 12(2011) nr. 1 s. 13-21Metadata
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