Article ID Journal Published Year Pages File Type
6034331 NeuroImage 2011 10 Pages PDF
Abstract
►High frame rate optical imaging resolves rapid dynamics of cortical vasculature. ►Functional response begins in the parenchyma, before dilation of pial arterioles. ►Response proceeds with retrograde propagation of vasodilation in pial arterioles. ►Direction of propagation in arterioles is independent of direction of blood flow. ►Return to baseline may have different underlying mechanism compared to onset.
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