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Fig. 5 | BMC Complementary and Alternative Medicine

Fig. 5

From: Spatiotemporal changes of optical signals in the somatosensory cortex of neuropathic rats after electroacupuncture stimulation

Fig. 5

Changes of fluorescence intensity and activated area after EA stimulation. a Activated optical signals had different colors (red, yellow, and green). b Using the MetaMorph program, images were converted from colorful images to singular (red) color images (scale bar, 800 μm). Then activated area were calculated in the captured S1 cortex. c Each activated signal in pre- or post-EA stimulation was detected after electrical stimulation of the hind paw in nerve-injured rats. The average peak fluorescence is shown. After EA stimulation, the activated fluorescence signals became typically smaller and reduced. d Time-dependent changes in the maximal activated area in S1 cortex. Changes of fluorescence area at pre- and post-EA stimulations are presented (P < 0.05, n = 10)

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