Why the study?
Does respiratory sinus arrhythmia (RSA) reactivity to emotion films predict recovery from depression in depressed persons?
Does respiratory sinus arrhythmia (RSA) reactivity to emotion films predict recovery from depression in depressed persons?
A higher degree of vagal withdrawal in response to a sad film predicts subsequent recovery from depression at 6 months.
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Vagal reactivity to sad stimuli may aid prognosis in depression; leaves open whether it guides treatment or requires prospective validation.
Rottenberg et al. (2005) studied this question.
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