Olds,+James+pleasure+centers+in+brain+(Samantha)

James Olds- Pleasure Centers Exist in the Brain

James Olds carried out research on rats to see what would happen if their pleasure centers were stimulated. He devised an experiment in which the rat would received electrical stimulation of the nucleus accumbens by pressing a lever. It was found that rats were willing to walk across electrified grids in oder to get the pleasure lever. In fact, they even preferred the stimulation to eating an drinking.