azam sadegh

[ 1 ] - A comparison between usual and ultra low doses of morphine combined with forced swim stress, on memory retention in rat

‎ Introduction: Controversial results have been reported about the effect of morphine and stress on learning and spatial memory in rodents. There are very few studies about the effects of ultra low doses of morphine on memory. In this study, effects of acute administration of low and usual doses of morphine on memory formation and retention in the presence and absence of repeated stress w...