text: The anti-amnesic effect of minaprine on the cycloheximide-induced memory impairment was also antagonized by a serotonin (5-HT) releaser, p-chloroamphetamine, and by a 5-HT precursor, 5-hydroxytryptophan, whereas a << 5-HT1A >>-selective agonist, [[ 8-hydroxy-2-(di-n-propylamino)tetralin ]], was inactive.