[The lateralized effects of the melanostatin analog alaptide in rats raised in isolation and in a community]

Effects of alaptide on self-stimulation of the lateral hypothalamus, rotation behaviour and learning ability were studied in rats growing either in social adaptation or in groups. The effects on self-stimulation were opposite in these rats. Alaptide facilitated the learning process in grouped rats and potentiated the indirect dophamine-mimetic action of amphetamine in isolated rats.