Behavioral enhancement of visual responses in monkey cerebral cortex. II. Modulation in frontal eye fields specifically related to saccades

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Abstract
The activity of visually responsive neurons in the frontal eye fields of awake rhesus monkeys was studied while the animals performed a variety of visual tasks to assess the role of these neurons in visually guided behavior. Visually responsive cells in frontal eye fields may provide a retinal error signal to the brain stem gaze-shift centers and the presaccade enhancement of these visual responses may be a cortical component of the neural events preceding purposeful, visually guided saccades.