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Schematic representation of the fear‐conditioning test specialized for contextual memory (CTX experiment). (A) Following habituation, 5 electric shocks (0.7 mA, 1 s duration) were delivered at random intervals. (B) Schedule of the contextual fear‐conditioning test. On the first day of the experiment, the conditioning shown in (A) was carried out. From the second day to the fifth day, we repeatedly assessed the contextual memory in the same chamber (600 s).
