Injuries, infection and inflammatory diseases that damage the spinal cord can lead to intractable pain and disability. Some degree of recovery may be possible. The question is, how best to stimulate the regrowth and healing of damaged nerves.
Vanderbilt University Medical CenterAug 2 2024
In a recent paper published in the Proceedings of the National Academy of Sciences, Anirban Sengupta, PhD, John Gore, PhD, and their colleagues report the detection of signals from white matter in the spinal cord in response to a stimulus that are as robust as gray matter signals. "This may be due to the larger volume of white matter in the spinal cord compared to the brain," he added. Alternatively, the signal could represent "an intrinsic demand" in metabolism within the white matter, reflecting its critical role in supporting gray matter.
Related StoriesThe current study monitored changes in BOLD signals in the white matter of the spinal cord at rest and in response to a vibrotactile stimulus applied to the fingers in an animal model. In response to stimulation, white matter activity was higher in "tracts" of ascending fibers that carry the signal from the spine to the brain.
"We will be able to see how activity in the white matter changes in different stages of the disease," he said. Researchers also may be able to monitor the effectiveness of therapeutic interventions, including neuromodulation, in promoting recovery following spinal cord injury.
Brain Cell Disability Drugs Electromagnetic Imaging Nerve Nerve Activity Pain Radiology Research
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