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Group summary data for SSNA (ΔSSNA total activity; A) and cutaneous vascular conductance (ΔCVCbase; B) at each 0.5°C decrease in mean skin temperature (Tsk) during whole-body cooling in young (filled symbols) and older adults (open symbols)
Reflex cutaneous vasoconstriction was blunted and SSNA did not change during whole-body cooling in older adults. *P < 0.05 vs. Older; †P < 0.05 vs. mean Tsk 34°C.
