Dopamine Not About Pleasure (Anymore)
To John Salamone, professor of psychology and longtime researcher of the brain chemical dopamine, scientific research can be very slow-moving.
“It takes a long time for things to change in science,” he says. “It’s like pulling on the steering wheel of an ocean liner, then waiting for the huge ship to slowly turn.”
Salamone has spent most of his career battling a particular long-held scientific idea: the popular notion that high levels of brain dopamine are related to experiences of pleasure. As increasing numbers of studies show, he says, the famous neurotransmitter is not responsible for pleasure, but has to do with motivation.
He summarizes and comments on the evidence for this shift in thinking in a Nov. 8 review in the Cell Press journal Neuron.
