Science, Space and Technology News 2024
Researchers have discovered that specific neurons in the thalamus are key in processing signals from the heart and lungs, offering insights into brain-body integration. Credit: SciTechDaily.com
“Each heartbeat and every breath create a rich, incoming stream of sensory information for the human brain,” said Krishna. “However, a deeper understanding of how the brain integrates this information has remained elusive. We have been interested in discovering how the human brain achieves the integration of cardio-respiratory information and whether its breakdown is linked to any disorders of the brain, heart, or lungs observed in the clinic.
These cardiac and respiratory response patterns varied largely across neurons both in terms of timing and their kind of modulation, the authors wrote. A substantial proportion of these visceral neurons – about 30% – were responsive to more than one of the tested signals, underlining specialization and integration of cardiac and respiratory signals in subthalamic nucleus and thalamic neurons.
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