Olfaction: when nostrils compete.
In vision, alternating percepts occur when two different visual stimuli are presented separately to the two eyes. By analogy, simultaneous presentation of two different odorants separately to the two nostrils has now been shown to cause alternating odor percepts, an effect termed 'binaral rivalry'.
Northwestern University Feinberg School of Medicine, Cognitive Neurology and Alzheimer's Disease Center and the Department of Neurology, 320 E. Superior St., Searle 11-453, Chicago, IL 60611, USA. j-gottfried@northwestern.edu
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D006801:Humans; D009666:Nose / Q000502:physiology; D055696:Olfactory Perception / Q000502:physiology*; D012903:Smell / Q000502:physiology*