Eye movements and attention in visual feature search with graded target-distractor-similarity

Heße, Uta; Department Of Psychology, Martin-Luther-University Halle, Germany, Wienrich, Carolin; Department Of Psychology, Martin-Luther-University Halle, Germany & Müller-Plath, Gisela; Department Of Psychology, Martin-Luther-University Halle, Germany
We conducted a visual feature search experiment in which we varied the target-distractor-similarity in four steps, the number of items (4, 6, and 8), and the presence of the target. In addition to classical search parameters like error rate and reaction time (RT), we analyzed saccade amplitudes, fixation durations, and the portion of reinspections (recurred fixation on an item with at least one different item fixated in between) and refixations (recurred fixation on an item...
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