The role of hippocampal 5-HT and 5-HT receptors on learning and memory in rats.

Serotonin is a neurotransmitter, which is involved in memory via its receptors. The 5-HT and 5-HT receptors mainly exist in the hippocampus, which plays an important role in memory processing. However, few studies have assessed the effect of these serotonin receptors on memory.