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A section of mouse brain in deep blue against a black background, with a cluster of green cells highlighted at the right side.


A mysterious brain region: the claustrum


Far-ranging neurons, targets for psychedelic drugs, and complex influence on brain activity — new studies yield insight into this tiny, sheet-like...

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A portion of the mouse brain in gray showing colorful red and blue dots in the cortex.

Science Images

SciShots: Illuminating a mysterious brain structure


Neuroscientists are shedding literal light on the mouse claustrum, a tiny part of the brain with an outsized number of connections

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Science Images

SciShots: A crown of neurons


Brain-wide neuron tracing of cells in the mouse claustrum, a mysterious structure that’s highly connected to the rest of the brain

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