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In a Stroop task, participants can be presented with a color name printed in color and need to classify the print color while ignoring the word. The Stroop effect is typically calculated as the difference in mean response time (RT) between congruent (e.g., the word RED printed in red) and incongruent (GREEN in red) trials. Delta plots compare not just mean performance, but the entire RT distributions of congruent and incongruent conditions. However, both mean RT and delta plots have some limitations. Arm-reaching trajectories allow a more continuous measure for assessing the time course of the Stroop effect. We compared arm movements to congruent and incongruent stimuli in a standard Stroop task and a control task that encourages processing of each and every word. The Stroop effect emerged over time in the control task, but not in the standard Stroop, suggesting words may be processed differently in the two tasks.
|Number of pages||11|
|Journal||Attention, Perception and Psychophysics|
|Publication status||Published - 1 Nov 2016|
- Delta plots
- Reach-to-touch paradigm
- Stroop effect
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Dynamics of word recognition: New insight from the reach-to-touch paradigm
Finkbeiner, M., MQRES, M. & MQRES 3 (International), M. 3.
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