PA imaging results. (A) In vivo relative I
(i.e., HbT; upper panel) and IF(560) (i.e., SO2; lower panel) PA B-scan images of selected position at different times of temperature modulation protocol. Note that the I
and IF(560) are specifically sensitive to relative HbT and SO2 changes, respectively. The red scale bar is equivalent to 100 μm and applies to all images in panel A. Mean functional (B) HbT (i.e., R
) and (C) SO2 (i.e., ) changes resulting from in vivo temperature modulation of the rat sciatic nerve as a function of time. The error bars indicate standard deviation (n = 10).