Summary: A new study has shown that conscious thought relies on synchronized brain rhythms to maintain communication between sensory and cognitive brain regions. Under general anesthesia, this rhythm-based communication breaks down, disrupting the brain’s ability to detect and process surprising stimuli.
The research provides evidence that specific brain frequencies enable conscious awareness by linking the front and back of the brain, where cognitive and sensory functions reside. This finding sheds light on the neural mechanisms of consciousness and offers insights into how anesthesia disrupts our ability to perceive and respond to unexpected events.
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