Why the study?
Is an increase in vagal tone associated with a favorable treatment response (reduction in HRSD score) in patients receiving nonpharmacological treatment for major depression?
Is an increase in vagal tone associated with a favorable treatment response (reduction in HRSD score) in patients receiving nonpharmacological treatment for major depression?
Increases in vagal tone are associated with favorable clinical response to nonpharmacological treatment in major depression.
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Vagal tone changes may predict nonpharmacological depression response; hypothesis-generating, needs prospective validation before clinical use.
Chambers et al. (2002) studied this question.
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