Figure 4.

Methamphetamine (MA) self‐administration reduces alcohol consumption and preference after prolonged alcohol consumption. (a) Timeline illustrating schedule of combining the 24‐hour two‐bottle choice procedure and daily 2‐hour self‐administration sessions and extinction sessions. (b) Preference and (c) intake of alcohol after prolonged alcohol consumption were both significantly reduced during MA self‐administration (rose shading). The red symbols indicate significance between MA and saline self‐administration groups on that day (p < 0.05); n = 10–14/group