Strip a rat of almost all its dopamine and it will still pull a happy face at sugar. Rats, orangutans and human newborns share a small vocabulary of facial reactions to taste. Sweetness produces rhy…
Space Daily
When scientists disrupted dopamine in hungry rats, the animals still showed pleasure when sweet food was placed in their mouths — they just lost the drive to work for it, suggesting dopamine governs wanting more than enjoyment
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