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arousal |
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arousal /arous·al/ (ah-rou´z'l) 1. a state of responsiveness to sensory stimulation or excitability. 2. the act or state of waking from or as if from sleep. 3. the act of stimulating to readiness or to action. sexual arousal physical and psychological responses to mental or physical erotic stimulation. arousal Etymology: OE, to rise a state of responsiveness to sensory stimulation. arousal, n a state of being responsive to sensory stimulation. Also called termination and return to everyday activity. arousal a readiness response; a state of readiness to make behavioral responses. arousal Neurology 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. Cf
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