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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: J Pain. 2019 May 2;20(11):1293–1306. doi: 10.1016/j.jpain.2019.04.008

Figure 1. Effect of exposure to different colors on naïve rats’ paw withdrawal latency.

Figure 1.

Bar graph of PWL (in seconds) of male rats (n=5–6 per group) exposed to the indicated spectrum of light (wavelength in nanometers listed within bars) for 8 hours daily for 5 days. (*p<0.05, compared to baseline (BL; pre-LED exposure), Kruskal-Wallis test, n=6. In all figures, the experimental timeline and paradigm are shown above the graphs.