Ghrelin is a peptide released from the empty stomach into circulation, and which acts on the brain to promote appetite. Recent studies showed that ghrelin also affects learning and memory, however, the mechanism for this effect is unknown.  Now, a study from researchers at The Scripps Research Institute (TSRI) has shown that a previously unknown interaction between the proteins grehlin and dopamine has a substantial … Continue reading Study identifies previously unknown mechanism of memory formation in the brain.