Pattern rotation system for a visual stimulator.
D004582:Electronics, Medical; D005071:Evoked Potentials; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D010364:Pattern Recognition, Visual / Q000502:physiology*; D010775:Photic Stimulation / Q000295:instrumentation*; D012399:Rotation; D013690:Television