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Mental grouping in multiple-object tracking


Tanner,  TG
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Tanner, T. (2008). Mental grouping in multiple-object tracking. Poster presented at XXIX. International Congress of Psychology (ICP 2008), Berlin, Germany.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-C86B-6
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.