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Neuroscientists Map Mice Brain Activity During Decision-Making

9/11/2025

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Summary

Story summary

Neuroscientists mapped brain activity in mice during decision-making, recording over 620,000 neurons across 95% of the brain.
The study found that multiple brain regions are involved in decision-making, contradicting the notion of a single area.
Mice learned to turn a wheel based on visual patterns, earning rewards for correct responses.
The research used nearly 700 brain implants and standardized methods across 12 labs.
The dataset is publicly available, supporting future neuroscience studies, and the International Brain Laboratory aims to broaden its research focus.

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Story summary

Neuroscientists mapped brain activity in mice during decision-making, recording over 620,000 neurons across 95% of the brain.
The study found that multiple brain regions are involved in decision-making, contradicting the notion of a single area.
Mice learned to turn a wheel based on visual patterns, earning rewards for correct responses.
The research used nearly 700 brain implants and standardized methods across 12 labs.
The dataset is publicly available, supporting future neuroscience studies, and the International Brain Laboratory aims to broaden its research focus.