Surgery

Women more resistant to anesthetic than men, finds study

Sex hormones may contribute to increased anesthetic resistance in women compared with men, according to a new study published in Proceedings of the National Academy of Sciences. General anesthetics exert their hypnotic effects ...

Neuroscience

When unconscious, the brain is anything but 'silent'

The cerebral cortex is thought to be the seat of conscious processing in the brain. Rather than being inactivated, specific cells in the cortex show higher spontaneous activity during general anesthesia than when awake, and ...

Medical research

Zebrafish research highlights role of locus coeruleus in anesthesia

By using a larval zebrafish model, Dr. Du Jiulin's lab at the the Institute of Neuroscience and Zunyi Medical College revealed that two commonly used intravenous anesthetic drugs, propofol and etomidate, suppress the excitability ...

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