Space Daily August 23, 2026 • 08:45

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 - Space Daily

The brain's reward chemical may not deliver pleasure at all—it's the engine that makes us crave, seek and strive.

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… [+4919 chars]

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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 - Space Daily

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