The pupil and vigilance.
Pupillary size and activity are dependent upon the physiological state of the organism, including vigilance. Measurement of pupillary size and responses to drugs as used in the study of these states are reviewed. These tests can be employed for the diagnosis of narcolepsy and for monitoring drug effects.
Department of Physiology and Pharmacology, Sackler School of Medicine, Tel Aviv University, Ramat Aviv, Israel.
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Korczyn
D001143:Arousal / Q000502:physiology*; D001341:Autonomic Nervous System / Q000502:physiology*; D001696:Biomechanical Phenomena; D006801:Humans; D007498:Iris / Q000294:innervation; D007499:Iris Diseases / Q000503:physiopathology; D009424:Nervous System Physiological Phenomena; D011680:Pupil / Q000187:drug effects; D012890:Sleep / Q000502:physiology; D014851:Wakefulness / Q000502:physiology