Neurobiologists have discovered sensory neurons that regulate fainting, providing a foundation for targeted treatments for related disorders.
“What we are finding is that the heart also sends signals back to the brain, which can change brain function,” said Augustine. Information resulting from the study could be relevant to better understanding and treating various psychiatric and neurological disorders linked with brain-heart connections, the researchers note in their paper.
“We were blown away when we saw how their eyes rolled back around the same time as brain activity rapidly dropped,” the researchers reported in a paper summary. “Then, after a few seconds, brain activity and movement returned. This was our eureka moment.”
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