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Acquisition and retention of the correct response in a 4-arm maze was not affected by either short- or long-access cocaine self-administration. A) A timeline of the maze procedure. During response discrimination, (B) total errors and (C) total trials to criterion did not differ by group. During the retention trial, (D) total errors also did not differ by group, nor did (E) the total trials to criterion. Data are depicted as the mean ± SEM.
