brain reward molecule helps learning to avoid unpleasant experience too /

The brain chemical dopamine regulates how mice learn to avoid a unpleasant encounter,according to unusual research from the Perelman School of Medicine at the University of Pennsylvania. “We know that dopamine reinforces ‘rewarding’ behaviors, but to our surprise, or we have now shown that situations that animals learn to avoid are also regulated by dopamine,” [...]

Source: psypost.org