Neurobiology. Two ears and two eyes.
Pettigrew
J D
JD
D000161:Acoustic Stimulation; D000818:Animals; D001307:Auditory Perception / Q000502:physiology*; D001717:Birds; D004423:Ear / Q000502:physiology*; D006801:Humans; D009799:Ocular Physiological Phenomena; D010775:Photic Stimulation; D015348:Vision, Binocular / Q000502:physiology*