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Researchers have mapped how propofol, a widely used anesthetic, alters brain connectivity to induce unconsciousness. Using fMRI, they found that propofol disrupts connections in the thalamus, reducing complex information processing and limiting sensory integration.

Surprisingly, the study showed that matrix cells in the thalamus, not GABA, are key to this process. These findings offer new insights into consciousness and the brain’s architecture during anesthesia.

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Fascinating study on propofol's effects on brain connectivity! The discovery of matrix cells in the thalamus being crucial for unconsciousness induction opens up new avenues for understanding consciousness and anesthesia.