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Creators/Authors contains: "Williamson, Jordan N"

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  1. ; (, Neural Regeneration Research)
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  2. ; ; ; ; ; ; (, Springer Nature Switzerland)
    Pons, JL; Tornero, J; Akay, M (Ed.)
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  3. ; ; ; ; ; (, IEEE)
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  4. ; ; ; ; ; ; ; ; (, IEEE)
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  5. ; ; ; ; ; ; ; ; (, American Journal of Physical Medicine & Rehabilitation)
    ObjectiveThis quasi-experimental study examined the effect of repetitive finger stimulation on brain activation in eight stroke and seven control subjects, measured by quantitative electroencephalogram. MethodsWe applied 5 mins of 2-Hz repetitive bilateral index finger transcutaneous electrical nerve stimulation and compared differences pre– and post–transcutaneous electrical nerve stimulation using quantitative electroencephalogram metrics delta/alpha ratio and delta-theta/alpha-beta ratio. ResultsBetween-group differences before and after stimulation were significantly different in the delta/alpha ratio (z= −2.88,P= 0.0040) and the delta-theta/alpha-beta ratio variables (z= −3.90 withP< 0.0001). Significant decrease in the delta/alpha ratio and delta-theta/alpha-beta ratio variables after the transcutaneous electrical nerve stimulation was detected only in the stroke group (delta/alpha ratio diff = 3.87,P= 0.0211) (delta-theta/alpha-beta ratio diff = 1.19,P= 0.0074). ConclusionsThe decrease in quantitative electroencephalogram metrics in the stroke group may indicate improved brain activity after transcutaneous electrical nerve stimulation. This finding may pave the way for a future novel therapy based on transcutaneous electrical nerve stimulation and quantitative electroencephalogram measures to improve brain recovery after stroke. 
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