Figure 2. Current model of SCN-MASCO coupling in C57BL/6J mice.

The effects of short-term methamphetamine administration on periods of activity rhythms in C57BL/6J (black font) and C3H (red font) mice are shown. Black arrows indicate coupling between oscillators. Gray arrows indicate strength of output. *Data taken from Pendergast et al. 2013. **Data taken from Tataroglu et al. 2006. See Table 1 for other studies. Figure modified from Yamazaki 2019 ⁵⁶ with permission.