Research with paired voles found surges in pleasure hormone dopamine subsided after period of separation
Breaking up is hard to do, but it seems the brain may have a mechanism to help get over an ex.
Researchers studying prairie voles say the rodents, which form monogamous relationships, experience a burst of the pleasure hormone dopamine in their brain when seeking and reuniting with their partner. However, after being separated for a lengthy period, they no longer experience such a surge.