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A brain-wide map of neural activity during complex behaviour

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Paper Summary

Paperzilla title
Mouse Brain on a Wheel: Mapping Neural Activity During Decisions

This study used Neuropixels probes to record from over 600,000 neurons in mice performing a decision-making task. They found brain-wide neural correlates of various task elements, including visual stimuli, choices, feedback, and movement, with varying degrees of representation across brain regions. Some regions responded strongly to feedback and movement, while others showed stronger selectivity for visual stimuli or choices.

Explain Like I'm Five

Scientists recorded brain activity in mice doing a task, finding that some brain areas respond to rewards, movement, or choices more strongly than others.

Possible Conflicts of Interest

None identified

Identified Limitations

Animal model
The findings are from mice and may not generalize to humans.
Limited generalizability
While a large dataset, it is still limited to one species and task.
Confounding motor activity
It is difficult to isolate cognitive processes from motor actions.

Rating Explanation

Strong methodology with a large dataset and rigorous analyses, but limited generalizability due to the animal model.

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Topic Hierarchy

Domain: Life Sciences
Field: Neuroscience

File Information

Original Title: A brain-wide map of neural activity during complex behaviour
Uploaded: September 03, 2025 at 05:45 PM
Privacy: Public