The activity of single neurons was studied in parietal area 7m while monkeys performed an instructed-delay reaching task to visual targets under normal light conditions and in darkness. The task was aimed at assessing the influence of vision of hand position on the neural activity of 7m related either to static posture and movement of the hand or to eye position in the orbit. The results show the existence of preparatory, movement-related and postural activity for the control of reaching, all of which are strongly modulated by vision. The activity of many 7m neurons, otherwise insensitive to pure visual stimuli, seems to reflect complex interactions between gaze angle and hand position in the visual field.

Visual control of hand-reaching movement: Activity in parietal area 7m / Ferraina, Stefano; M. R., Garasto; BATTAGLIA MAYER, Alessandra; P., Ferraresi; Johnson, Paul Bowman; F., Lacquaniti; Caminiti, Roberto. - In: EUROPEAN JOURNAL OF NEUROSCIENCE. - ISSN 0953-816X. - STAMPA. - 9:5(1997), pp. 1090-1095. [10.1111/j.1460-9568.1997.tb01460.x]

Visual control of hand-reaching movement: Activity in parietal area 7m

FERRAINA, Stefano;BATTAGLIA MAYER, Alessandra;JOHNSON, Paul Bowman;CAMINITI, Roberto
1997

Abstract

The activity of single neurons was studied in parietal area 7m while monkeys performed an instructed-delay reaching task to visual targets under normal light conditions and in darkness. The task was aimed at assessing the influence of vision of hand position on the neural activity of 7m related either to static posture and movement of the hand or to eye position in the orbit. The results show the existence of preparatory, movement-related and postural activity for the control of reaching, all of which are strongly modulated by vision. The activity of many 7m neurons, otherwise insensitive to pure visual stimuli, seems to reflect complex interactions between gaze angle and hand position in the visual field.
1997
behavioural neurophysiology; monkeys; parietal cortex; reaching movement; visual control of reaching
01 Pubblicazione su rivista::01a Articolo in rivista
Visual control of hand-reaching movement: Activity in parietal area 7m / Ferraina, Stefano; M. R., Garasto; BATTAGLIA MAYER, Alessandra; P., Ferraresi; Johnson, Paul Bowman; F., Lacquaniti; Caminiti, Roberto. - In: EUROPEAN JOURNAL OF NEUROSCIENCE. - ISSN 0953-816X. - STAMPA. - 9:5(1997), pp. 1090-1095. [10.1111/j.1460-9568.1997.tb01460.x]
File allegati a questo prodotto
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/257076
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? 25
  • Scopus 88
  • ???jsp.display-item.citation.isi??? 94
social impact