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Retention of a pretreatment visual discrimination problem. Rats were given a ‘reminder session' where they were exposed to the discrimination problem just learned. Three days after treatment with mAMPH or SAL, they were given a retention test. There were no significant differences between the mAMPH- and SAL-treated groups (n=7 mAMPH, n=5 SAL). Data are means±SEM.
