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. Author manuscript; available in PMC: 2014 Dec 19.
Published in final edited form as: Neuroscience. 2013 Sep 19;254:10.1016/j.neuroscience.2013.09.025. doi: 10.1016/j.neuroscience.2013.09.025

Figure 7.

Figure 7

Caffeine (CAF; 40 mg) treatment blocks (panel F) both light-induced locomotor suppression and the associated drop in Tc; 20 mg has a partial effect (panel D; double-ended arrows) compared to the effect of vehicle (VEH; panel B). Arrowhead and dashed vertical line - approximate time of VEH (panels A,B) or CAF (panels C-F) injection; shaded area - early dark phase (ZT12-ZT14). The light pulse was administered for 5 min beginning at minute 0 (ZT13; hatched vertical bar, panels B,D,F). Dotted data line - Tc obtained with DSI transmitters; solid data line - DSI activity index. N=9-11/group.