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Relative and absolute reliability of somatosensory evoked potentials in response to non-noxious electrical stimulation of the paraspinal muscles in healthy participants at an interval of 3-months.

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  • معلومة اضافية
    • المصدر:
      Publisher: Informa Healthcare Country of Publication: England NLM ID: 0270707 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1563-5279 (Electronic) Linking ISSN: 00207454 NLM ISO Abbreviation: Int J Neurosci Subsets: MEDLINE
    • بيانات النشر:
      Publication: London : Informa Healthcare
      Original Publication: New York, Gordon and Breach.
    • الموضوع:
      Paraspinal Muscles* ; Evoked Potentials, Somatosensory*/physiology; Humans ; Healthy Volunteers ; Reproducibility of Results ; Electric Stimulation ; Somatosensory Cortex
    • نبذة مختصرة :
      Background: Somatosensory evoked potentials (SEPs) are used extensively to quantify cortical activity in response to noxious and/or non-noxious sensory stimuli. However, data demonstrating the reliability of SEP measures in response to non-noxious stimulation over time are scarce.
      Aim: We investigated the relative and absolute reliability, and the smallest detectable change at 95% confidence (SDC 95 ) for SEPs evoked by non-noxious electrical stimulation of the paraspinal muscles in thirty-nine healthy participants at a 3-month interval.
      Methods: SEPs were evoked at an intensity three-times that of each participant's perceptual threshold and recorded from a single electrode placed over the primary somatosensory cortex (S1).
      Results: Our analyses reveal that i) latency, as a measure of activity onset, has poor relative reliability but good absolute reliability; ii) area, as a measure of cortical activity, has good relative and absolute reliability (except for the N 150 component) and iii) perceptual threshold and stimulation intensity was not reliable over time.
      Conclusion: These findings suggest that the area of the N 80 and P 260 SEP components, and the area of the N 80 -N 150 -P 260 SEP complex, can be utilised in future studies as reliable markers of cortical activity.
    • Contributed Indexing:
      Keywords: Somatosensory evoked potentials; absolute reliability; cortical activity; healthy; relative reliability
    • الموضوع:
      Date Created: 20210305 Date Completed: 20230126 Latest Revision: 20230202
    • الموضوع:
      20250114
    • الرقم المعرف:
      10.1080/00207454.2021.1893722
    • الرقم المعرف:
      33663320