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Related to arousal: emotional arousal
A state of behavioural or physiologic activation.
Respiratory effort-related arousal.
The triggering of sexuoerotic desire and behaviour.
(1) An abrupt change from a deep stage of NREM sleep to a lighter stage, or from REMS to awake, with the possibility of awakening as the final outcome. Arousal may be accompanied by increased tonic EMG activity and heart rate, as well as body movements.
(2) The interruption of sleep by continuous alpha activity and increased EMG activity of > 3 seconds.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
arousalNeurology A state of behavioral or physiologic activation Sexology See Sexual arousal Sleep disorders An abrupt change from a 'deep' stage of NREM sleep to a 'lighter' stage, or from REMS to awake, with the possibility of awakening as the final outcome; arousal may be accompanied by ↑ tonic EMG activity and heart rate, as well as body movements; the interruption of sleep by continuous alpha activity and ↑ EMG activity of > 3 secs. See Sleep apnea.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
arousalThe state of heightened awareness and alertness caused by a strong external stimulus such as danger or sexual interest.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005