Selection of visual targets activates prelunate cortical cells in trained rhesus monkey
Cells in monkey prelunate association cortex display an enhanced visual activity after the onset of a stimulus in the receptive field, when the stimulus is simultaneously selected as a target for a saccadic eye movement. In the present study we observed a separate activation which is independent of the passive visual on-response and occurs in a given cell when the animal saccades to a steady stimulus in its receptive field. The activation begins when the stimulus is selected for foveation before the eye actually moves, but is not necessarily predictive for an eye movement.
Key wordsVisual cortex Association cortex Eye movements Attention Visual selection Enhancement
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- Bushnell MC, Robinson DL, Goldberg ME (1978) Dissociation of movement and attention. Neuronal correlates in posterior parietal cortex. Neuroscience (abstract) 4: 621Google Scholar
- Bushnell MC, Goldberg ME (1979) The monkey frontal eye fields have a neuronal signal that precedes visually guided saccades. Neuroscience (abstract) 5: 2613Google Scholar
- Fischer B, Boch R (1980) Activation of prelunate neurons before visually guided eye movements of trained rhesus monkeys. ARVO (abstracts) 13: 226Google Scholar
- Fischer B, Boch R, Bach M (1981) Stimulus versus eye movements: comparison of neural activity in the striate and prelunate visual cortex (A17 and A19) of trained rhesus monkey. Exp Brain Res (in press)Google Scholar
- Goldberg ME, Wurtz RH (1972) Activity of superior colliculus in behaving monkey. II. Effect of attention on neuronal responses. J Neurophysiol 35: 560–574Google Scholar
- Robinson DL, Goldberg ME, Stanton GB (1978) Parietal association cortex in the primate. Sensory mechanisms and behavioral modulations. J Neurophysiol 41: 910–932Google Scholar
- Robinson DL, Baizer JS, Dow BM (1980) Behavioral enhancement of visual responses of prestriate neurons of the rhesus monkey. Invest Ophthalmol Vis Sci 19: 1120–1123Google Scholar
- Wurtz RH, Mohler CW (1976a) Enhancement of visual responses in monkey striate cortex and frontal eye fields. J Neurophysiol 39: 766–772Google Scholar
- Wurtz RH, Goldberg ME, Robinson DL (1980) Behavioral modulation of visual responses in the monkey. Stimulus selection for attention and movement. Progress Psychobiol Physiol Psychol 9: 43–83Google Scholar
- Zeki SM (1974) Functional organization of a visual area in the posterior bank of the superior temporal sulcus of the rhesus monkey. J Physiol (Lond) 236: 549–573Google Scholar