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    Home > Active Ingredient News > Study of Nervous System > Neuromodulation: EEG assessment of electrical spinal cord stimulation-related neuromodulation activity

    Neuromodulation: EEG assessment of electrical spinal cord stimulation-related neuromodulation activity

    • Last Update: 2022-01-23
    • Source: Internet
    • Author: User
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    Little is known about how different modalities of spinal cord stimulation (SCS) suppress pain


    The article was published in Neuromodulation: Technology at the Neural Interface


    Data were collected from samples of four chronic pain patients who received cervical or thoracic epidural spinal cord stimulation for neuropathic pain due to peripheral and spinal cord injury


    Blood vessel

    Analysis of the neuromodulation effect of SCS on brain oscillations

    Electroencephalograms (EEGs) were recorded from 61 standard scalp locations using a Brainamp recording system (Brain Products GmbH, Germany) with electrodes AFz grounded and FCz referenced


    It is important to note that the analysis is not for detailed differences between specific mode parameters, but for general differences between modes


    We used the maximum possible sampling rate of 5000 Hz for EEG recordings to reduce distortion caused by SCS artifacts


    Spatial Filters for Artifact Attenuation (SFA) and Response Enhancement (SFR)

    In EEG regions responsive to SCS, neuromodulation greatly reduced activity in theta and low alpha range (6-10 Hz) in all SCS modalities


    Although SCS has been a clinically effective treatment for neuropathic pain for decades, its mechanism of action, especially its effect on supraspinal neuronal processing, is still not fully understood


    They may arise from hidden artifact sources unrelated to our artifact signals, or by SCS-evoked brain reaction times and phase-locking to the SCS cycle, but not entirely related to the SCS artifact itself


    Buentjen, L.


    Buentjen, L.


     



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