Behavior during ABRV Coc-SA, EXT and Coc-Pair TEST for (A-D) adolescent and (E-H) adult rats. Mean (±SEM) of active and inactive lever responses during (A, E) Coc-SA for adolescent and adult rats and the number of infusions (B, F) 1 hr EXT sessions, (C, G) the last EXT session and 1 hr Coc-Pair TEST, (D, H) 10 min Bins of the 1 hr Coc-Pair TEST. Symbols indicate significant within-subject (#, †) differences revealed by Tukey’s test, p<0.05: (B, F)
# EXT S1>8, (C, G)
# last session of EXT>Coc-Pair TEST, (D, H)
# Time Bin 1>6, † Time Bin 2>6. Circles indicate adolescent group; triangles indicate adult group.