Visual stimulation reduces EEG activity in man.
Data are presented which show that background electric activity of the human brain is reduced by visual stimulation. Occipital EEG amplitude decreases 5-15% for all frequencies analyzed (0.2-40 Hz) upon pattern stimulation. The reduction is stimulus-specific, i.e. is the strongest for stimuli that activate a large number of visual cortical neurons.
Vijn
P C
PC
The Netherlands Ophthalmic Research Institute, Amsterdam.
van Dijk
B W
BW
Spekreijse
H
H
D004569:Electroencephalography; D005074:Evoked Potentials, Visual; D006801:Humans; D009474:Neurons / Q000502:physiology; D014793:Visual Cortex / Q000502:physiology*; D014796:Visual Perception