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Abstract:
We report that during multiple-object tracking (MOT, Pylyshyn Storm 1988) a strategy of grouping several targets into "mental objects" and overtly following their centers is more consistent with eye movement data then a theory of moving multiple foci of attention (FINST).
18 subjects showed significantly (p < 0.01) higher performance when they had to track objects by freely moving their eyes than by fixating in the screen center.
The eye movements are well predicted by a model following centers of groups of 3-4 targets and occasionally inspecting collisions of targets.
