Too much motivation affects our decision-making

Published on October 14, 2022

Just like being too excited can cloud our judgment, scientists have discovered that excessive motivation can also affect our decision-making. Similar to how our internal states can sway our perceptions and choices, motivation has a direct influence on the neural circuits responsible for sensory perception and decision-making in mice. This research builds upon the groundbreaking work by psychologists Robert Yerkes and John Dilligham Dodson, who first explored the link between motivation and performance. Although we’ve known about this connection for over a hundred years, there are still many questions surrounding how exactly motivation affects the brain. By unraveling these mysteries, scientists hope to gain a better understanding of how motivation impacts decision-making in both animals and humans. To dive deeper into this fascinating research, check out the full article!

In a good or a bad mood, focused or distracted, in dire or no need: our internal states directly influence our perceptions and decision-making. While the role of motivation on the performance of behavioral tasks has been known for more than a century — thanks to the work of psychologists Robert Yerkes and John Dilligham Dodson — its precise effect on the brain remains unclear. A team has now revealed how motivation alters the neural circuits responsible for sensory perception preceding decision-making in mice.

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