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Where Does Our Strength of Will Come From? The Answer Would Lie in a Tiny Group of Neurons Nestled in the Heart of the Brain.

Researchers at the University of Nagoya, Japan, in a study published in June 2026 in the PNAS, showed that a small group of brain cells controlled the energy that was put into winning a reward. These cells, already known to regulate sleep and appetite, seemed related to motivation without knowing how. Orexin neurons would act as a door, opening access to effort when a reward is in sight, and cutting it off when they turn off. Rats ready to do mo…
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Researchers at the University of Nagoya, Japan, in a study published in June 2026 in the PNAS, showed that a small group of brain cells controlled the energy that was put into winning a reward. These cells, already known to regulate sleep and appetite, seemed related to motivation without knowing how. Orexin neurons would act as a door, opening access to effort when a reward is in sight, and cutting it off when they turn off. Rats ready to do mo…

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Science-et-vie.com broke the news on Thursday, August 6, 2026.
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