Electrical stimulation of the Nucleus Reticularis Gigantocellularis

Electrical stimulation of the Nucleus Reticularis Gigantocellularis was used to test the predictions of a gaze model (Freedman 2001. Biol. Cybern. 84: 453–462).

On the left simulations of eye (A), gaze (B) and head (C) velocity are shown during control movements (orange) and during simulated NRG stimulation (blue). On the right, mean (+/- SD) eye (D), gaze (E), and head (F) velocity are plotted as functions of time for two sets of movements: Control gaze shifts to briefly flashed visual targets (orange), and similar trials during which the right NRG was electrically stimulated. Data were consistent with the predictions of the model.

Details

  • Freedman, E.G., and Quessy, S. Electrical stimulation of rhesus monkey nucleus reticularis gigantocellularis: II. Effects on metrics and kinematics of ongoing gaze shifts to visual targets. Exp. Brain Res. 156:357-376, 2004
  • Quessy, S. and Freedman, E.G. Electrical stimulation of rhesus monkey nucleus reticularis gigantocellularis: I. Characteristics of evoked head movements. Exp. Brain Res. 156:342-356, 2004
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