Right or wrong, the word "dopamine" always conjures up images in my head of rats pushing levers over and over again, working desperately hard to send shots of dopamine into their tiny little rodent brains. Dopamine, like many other neurotransmitters ( chemicals that send signals in the brain), works by ...
A few weeks ago, I wrote about a paper in Science(1) that I read on a connection between a mutation in the dopamine D2 receptor and the genetics of learning. Only, it turned out that when I looked at the gene map... the mutation mapped in a completely different gene ...