Figure 3

Conditioned Suppression Test in Sham Control and NE depleted Control animals. Panel A. Mean (sec ± SE) time spent in chamber containing chocolate (CC) and in empty-safe chamber (E-SC) during training phase. Data are expressed as mean of four days of training. Panel B. Mean (sec ± SE) time spent in chamber containing chocolate (CC) (when the aversive CS (light) was also present in the CC) and in empty-safe chamber (E-SC) in Conditioned Suppression Test (B1) by Sham Control and NE depleted Control animals; * p < 0.005 in comparison with empty-safe chamber. Chocolate intake shown by Sham Control and NE depleted Control groups on conditioned suppression test day (B2). Data are expressed as total mean grams ± SE.