Brain waves.
D000818:Animals; D001288:Attention / Q000502:physiology; D001364:Awareness / Q000502:physiology; D001921:Brain / Q000502:physiology*; D003243:Consciousness / Q000502:physiology; D006801:Humans; D051379:Mice; D008960:Models, Psychological; D009488:Neurosciences / Q000639:trends; D014474:Unconsciousness