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          Institute: MPI für biologische Kybernetik     Collection: Biologische Kybernetik     Display Documents



ID: 461638.0, MPI für biologische Kybernetik / Biologische Kybernetik
Bayesian models of eye movement selection with retinotopic maps
Authors:Colas, F.; Flacher, F.; Tanner, T.G.; Bessiere, P.; Girard, B.
Date of Publication (YYYY-MM-DD):2009-03
Title of Journal:Biological Cybernetics
Volume:100
Issue / Number:3
Start Page:203
End Page:214
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:Among the various possible criteria guiding eye movement selection, we investigate the role of position uncertainty in the peripheral visual eld. In particular, we suggest that, in everyday life situations of object tracking, eye movement selection probably includes a principle of reduction of uncertainty. To do so, we confront the movement predictions of computational models with human results from a psychophysical task. This task is a freely moving eye version of the Multiple Object Tracking task with the eye movements possibly compensating for lower peripheral resolution. We design several Bayesian models of increasing complexity, whose layered structures are inspired by the neurobiology of the brain areas implied in eye movement selection. Finally, we compare the relative performances of these models with regard to the prediction of the recorded human movements, and show the advantage of taking explicitly into account uncertainty for the prediction of eye movements.
External Publication Status:published
Document Type:Article
Communicated by:Holger Fischer
Affiliations:MPI für biologische Kybernetik/Psychophysics (Dept. Bülthoff)
Identifiers:LOCALID:5451
URL:http://www.springerlink.com/content/t24521715tq547...
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