title: An inexpensive stimulator for visually evoked potentials based on a personal computer.
abstract: A device is described that can produce a variety of visual stimuli to be used for eliciting visually evoked cortical or retinal potentials in humans or experimental animals. The device is very inexpensive and uses a cheap personal computer (Commodore VIC 20) and a TV monitor.
mesh_terms: D000818:Animals; D005074:Evoked Potentials, Visual; D006801:Humans; D008838:Microcomputers; D010775:Photic Stimulation