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    Home > Active Ingredient News > Study of Nervous System > Stroke: After stroke, corticospinal tract and beta shock are closely related to gait disorder

    Stroke: After stroke, corticospinal tract and beta shock are closely related to gait disorder

    • Last Update: 2021-09-19
    • Source: Internet
    • Author: User
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    Traditionally, oscillations in the beta frequency range (≈13-30 Hz) are related to sensorimotor processing




    But shockingly, there are very few data showing that brain structure is associated with oscillatory activity after a stroke


    Stroke answering this question will greatly expand our conception of how brain structure affects cortical brain electrical activity




    In the three key motor areas of the ipsilateral hemisphere, namely the primary motor cortex (M1), the ventral premotor area and the auxiliary motor area, the beta power at rest and the motion-related beta non-synchronization were evaluated


    In this cohort , compared with the healthy control group, there was a statistically significant decrease in ipsilateral CST anisotropy, but the EEG indicators did not change


    , Compared with the healthy control group, the ipsilateral CST anisotropy was statistically reduced, but the EEG indicators did not change


    The ventral motor zone and auxiliary motor zone, especially the CST subcomponents derived from the pre-exercise cortex and auxiliary motor zone, have no similar structure-function relationship in stroke patients and the control group


    These data indicate that there may be a link between the CST microstructure derived from M1 pyramidal neurons and β oscillation activity , and in previous reports, these indicators have been associated with dyskinesia in stroke patients


    There may be a link between the CST microstructure derived from M1 pyramidal neurons and β oscillation activity




    Corticospinal Tract Microstructure Correlates With Beta Oscillatory Activity in the Primary Motor Cortex After Stroke.


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