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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Addict Biol. 2010 Nov 4;16(2):215–228. doi: 10.1111/j.1369-1600.2010.00262.x

Figure 1.

Figure 1

Maintenance of self-administration, extinction, and reinstatement of alcohol- and food-seeking behavior. Active lever presses that previously resulted in alcohol or food delivery were significantly decreased during extinction training as compared to when alcohol or food was available (+, p <0.001). During reinstatement tests, response-contingent presentation of the light-tone stimulus that was previously paired with either alcohol or food significantly increased active but not inactive lever presses as compared to those observed during extinction (*, p<.01). Data are presented as mean ± SEM.