Geometry of the superior colliculus mapping and efficient oculomotor computation.

Geometry of the superior colliculus mapping and efficient oculomotor computation. Research Abstract Details 

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Geometry of the superior colliculus mapping and efficient oculomotor computation. Abstract Text:

Nicolas Tabareau,Daniel Bennequin,Alain Berthoz,Jean-Jacques Slotine, Girard,Nicolas Tabareau,Daniel Bennequin,Alain Berthoz,Jean-Jacques Slotine, Girard,

Numerous brain regions encode variables using spatial distribution of activity in neuronal maps. Their specific geometry is usually explained by sensory considerations only. We provide here, for the first time, a theory involving the motor function of the superior colliculus to explain the geometry of its maps. We use six hypotheses in accordance with neurobiology to show that linear and logarithmic mappings are the only ones compatible with the generation of saccadic motor command. This mathematical proof gives a global coherence to the neurobiological studies on which it is based. Moreover, a new solution to the problem of saccades involving both colliculi is proposed. Comparative simulations show that it is more precise than the classical one.

Geometry of the superior colliculus mapping and efficient oculomotor computation. Publishing Authors By Initials

N Tabareau,D Bennequin,A Berthoz,JJ Slotine,B Girard,N Tabareau,D Bennequin,A Berthoz,JJ Slotine,B Girard,

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Geometry of the superior colliculus mapping and efficient oculomotor computation. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Biological cybernetics

VOLUME: 97

Page Numbers: 279-92

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ISSN: 0340-1200

DAY: 10

MONTH: 08

YEAR: 2007

Geometry of the superior colliculus mapping and efficient oculomotor computation. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Geometry of the superior colliculus mapping and efficient oculomotor computation.

AFFILIATION: UMR 7152, Laboratoire de Physiologie de la Perception et de l'Action, CNRS-Collège de France, Paris, France.

Country: Germany

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MEDLINETA: Biol Cybern

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