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. 2006 Mar;13(2):201–207. doi: 10.1101/lm.98406

Figure 1.

Figure 1.

(A) Experimental groups and training timeline for consecutive training. Animals were either trained on trace eyeblink conditioning for 6 d (one habituation session + five training sessions) followed by WMZ training (one cue session + five training sessions) (EBC→WMZ), or trained on WMZ first followed by training on trace eyeblink conditioning (WMZ→EBC). (B) Experimental groups and training timeline for simultaneous training. Simultaneously trained (SIM) animals were either trained on trace eyeblink conditioning in the morning followed by WMZ in the afternoon (EBC(AM) + WMZ(PM)) or vice versa (WMZ(AM) + EBC(PM)). Control groups were counterbalanced for morning and afternoon training sessions. Control animals were either trained on trace eyeblink conditioning and swam with no platform in the tank (time-yoked to a trained animal; EBC + SWIM) or pseudoconditioned on trace eyeblink conditioning and trained on WMZ (PSEUDO + WMZ). Simultaneous animals received a cue session (WMZ) and a habituation session (eyeblink conditioning) on day 1, followed by five or 10 sessions of trace eyeblink conditioning and WMZ training (one session each task/day). (C) Platform locations in the WMZ tank. The hidden platform was moved to one of 10 random locations over the course of training.