Article Figures & Data
Figures
- Fig. 1.
Schematic representation of excitotoxic lesions to the basolateral amygdala from experiment 1. Shaded areasrepresent the smallest (black) and largest (gray) extent of neuronal damage. Coronal sections are −1.8 to −3.8 mm relative to bregma (Swanson, 1998).
- Fig. 2.
Acquisition of a conditional instrumental discrimination in sham-lesioned (left) and BLA-lesioned (right) rats. Closed symbols indicate consistent groups; open symbols indicate inconsistent groups; circles indicate correct responses;squares indicate incorrect responses. Bars represent 2 SEs of the differences between means (SED) derived from the appropriate ANOVA term and may be used as a guide to variability.
- Fig. 3.
Group mean difference scores (total correct − incorrect responses) during the extinction test session of experiment 1. Bars represent 2 SED.
- Fig. 4.
Group mean difference scores of responses during the “outcomes only” session of experiment 1, in which no discriminative stimuli were presented. Bars represent 2 SED.
- Fig. 5.
Schematic representation of excitotoxic lesions to the basolateral amygdala from experiment 2. Shaded areasrepresent the smallest (black) and largest (gray) extent of neuronal damage. Coronal sections are −1.8 to −3.8 mm relative to bregma (Swanson, 1998).
- Fig. 6.
Group mean response rates during presentation of a CS and during the baseline (no CS) period from extinction test sessions of experiment 2. Bars represent 2 SED.
- Fig. 7.
Group mean elevation ratios for “same” and “different” responses in experiment 2 (see Results for details). Bars represent 2 SED.
Tables
S1 S2 Consistent R1 → O1 R1 → ∅ R2 → ∅ R2 → O2 Inconsistent R1 → O1/O2 R1 → ∅ R2 → ∅ R2 → O1/O2 R1 and R2 are left and right lever presses, O1 and O2 are sucrose and food pellet reinforcers, and S1 and S2 are tone and click-train. ∅ indicates no reward (see Materials and Methods; experiment 1).
