title: An examiner-induced visual vigilance apparatus.
abstract: A film/record instrument is described that could measure attending behavior, distractibility, hyperkinetic movement, and selected aspects of visual perception by recording the subject's response to significant visual stimuli.
mesh_terms: D001288:Attention / Q000502:physiology*; D005133:Eye Movements; D006801:Humans; D009043:Motor Activity; D011603:Psychophysiology / Q000295:instrumentation*; D014796:Visual Perception / Q000502:physiology*