Researchers from Columbia have discovered brain injuries that could be the root of hidden consciousness. This mysterious condition occurs when individuals with brain damage seem unresponsive to basic commands, appearing unconscious even though they retain some degree of awareness. “Our study sugg
MRI scans reveal brain injuries underlying hidden consciousness. Credit: Claassen lab, Columbia University Irving Medical Centerhave discovered brain injuries that could be the root of hidden consciousness. This mysterious condition occurs when individuals with brain damage seem unresponsive to basic commands, appearing unconscious even though they retain some degree of awareness.
The findings could help physicians more quickly identify brain-injured patients who might have hidden consciousness and better predict which patients are likely to recover with rehabilitation.Hidden consciousness, also known as cognitive motor dissociation , occurs in about 15% to 25% of patients with brain injuries stemming from head trauma, brain hemorrhage, or cardiac arrest.
“Using a technique we developed called bi-clustering analysis, we were able to identify patterns of brain injury that are shared among patients with CMD and contrast to those without CMD,” says co-lead author Qi Shen, PhD, associate research scientist in the Claassen lab and an expert in signal processing,The researchers found that all of the CMD patients had intact brain structures related to arousal and command comprehension, supporting the notion that these patients were hearing and...
The findings may allow researchers to better understand which brain injury patients have CMD, which will be useful for clinical trials that support recovery of consciousness.
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