Research by Olds and Milner identified a "pleasure centre" in rat brains and researchers have determined that rats will press a lever thousands of times in order to have a tiny electrode stimulate this area of the brain. What brain area is it?

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Olds and Milner's research identified the pleasure center in the rat brain as being located in the hypothalamus. Rats were shown to press a lever thousands of times to stimulate this area of the brain.

Research by Olds and Milner Identified a "Pleasure Centre" in Rat