Recent studies of visually guided reaching in monkeys support the hypothesis that the visuomotor transformations underlying arm movements to spatial targets involve a parallel mechanism that simultaneously engages functionally related frontal and parietal areas linked by reciprocal cortico-cortical connections. The neurons in these areas possess similar combinations of response properties. The multimodal combinatorial properties of these neurons and the gradient architecture of the parieto-frontal network emerge as a potential substrate to link the different sensory and motor signals that arise during reaching behavior into common hybrid reference frames. This convergent combinatorial process is evident at early stages of visual information processing in the occipito-parietal cortex, suggesting the existence of re-entrant motor influences on cortical areas once believed to have only visual functions.

Visuomotor transformations: early cortical mechanisms of reaching / Caminiti, Roberto; Ferraina, Stefano; BATTAGLIA MAYER, Alessandra. - In: CURRENT OPINION IN NEUROBIOLOGY. - ISSN 0959-4388. - STAMPA. - 8:(1998), pp. 753-761. [10.1016/S0959-4388(98)8]

Visuomotor transformations: early cortical mechanisms of reaching

CAMINITI, Roberto;FERRAINA, Stefano;BATTAGLIA MAYER, Alessandra
1998

Abstract

Recent studies of visually guided reaching in monkeys support the hypothesis that the visuomotor transformations underlying arm movements to spatial targets involve a parallel mechanism that simultaneously engages functionally related frontal and parietal areas linked by reciprocal cortico-cortical connections. The neurons in these areas possess similar combinations of response properties. The multimodal combinatorial properties of these neurons and the gradient architecture of the parieto-frontal network emerge as a potential substrate to link the different sensory and motor signals that arise during reaching behavior into common hybrid reference frames. This convergent combinatorial process is evident at early stages of visual information processing in the occipito-parietal cortex, suggesting the existence of re-entrant motor influences on cortical areas once believed to have only visual functions.
1998
PARIETAL CORTEX; EYE-HAND COORDINATION; HAND MOVEMENTS; EYE MOVEMENTS
01 Pubblicazione su rivista::01a Articolo in rivista
Visuomotor transformations: early cortical mechanisms of reaching / Caminiti, Roberto; Ferraina, Stefano; BATTAGLIA MAYER, Alessandra. - In: CURRENT OPINION IN NEUROBIOLOGY. - ISSN 0959-4388. - STAMPA. - 8:(1998), pp. 753-761. [10.1016/S0959-4388(98)8]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/243755
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