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2003•Biological PsychiatryOpen access

Low respiratory sinus arrhythmia and prolonged psychophysiological arousal in posttraumatic stress disorder: heart rate dynamics and individual differences in arousal regulation

Martin Sack, James W. Hopper, Friedhelm Lamprecht

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Key concepts: Vagal tone, Arousal, Heart rate, Heart rate variability, Autonomic nervous system, Psychology, Respiratory rate, Anesthesia

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