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Fast Temporal Dynamics of Visual Cue Integration |
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@TechReport{Triesch:TR00,
author = {Jochen Triesch, Dana Ballard and Robert A. Jacobs},
title = {Fast Temporal Dynamics of Visual Cue Integration},
institution = {Comp Sci Dept. University of Rochester},
year = {2000},
number = {00.2},
address = {Rochester NY},
month = {September},
abstract = {We study the dynamics of visual cue integration in a tracking / identification task, where subjects track a target object among distractors and identify the target after an occlusion. Objects are defined by three different attributes (color, shape, size) which change randomly within a singe trial. When the attributes differ in their reliability (two change frequently, one is stable) our results show that subjects rapidly re-weight the different cues, putting more emphasis on the stable cue. The re-weighting takes place in less than one second. Our results suggest that cue integration can exhibit adaptive phenomena on a very fast time scale. We propose a probabilistic model with temporal dynamics that accounts for the observed effect. }
}