title: Effects of visual field, stimulus degradation, and level of practice on event-related potentials of the brain.
mesh_terms: D004193:Discrimination Learning; D004292:Dominance, Cerebral; D005074:Evoked Potentials, Visual; D005556:Form Perception; D006801:Humans; D008297:Male; D010364:Pattern Recognition, Visual; D011214:Practice, Psychological; D014794:Visual Fields