Effects of aging on the association between cerebrovascular responses to visual stimulation, hypercapnia and arterial stiffness.

If the interaction between the Visual Stimulation Stages or Hypercapnic Test Stages and Age Groups was significant [or showed a trend to be significant (i.e., 0.05 ≤ p ≤ 0.100)], the magnitude of the response (i.e., absolute and relative delta values) for each age group were compared using independent 1-tailed Student T -Tests.

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