Does High Frequency Transcutaneous Electrical Nerve Stimulation (TENS) Affect EEG Gamma Band Activity?

Ebrahimian, Maryam; Razeghi, Mohsen; Zamani, Ali; Bagheri, Zahra; Rastegar, Karim; Motealleh, Alireza

doi:10.31661/jbpe.v8i3sep.780

Cited by 10 publications

(9 citation statements)

References 68 publications

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“…A limited number of studies have assessed whether gamma oscillations could be used as a biomarker of treatment-specific pain changes. For example, a significant reduction of pain-evoked gamma oscillations was reported after the use of Transcutaneous Electrical Nerve Stimulation (TENS) ( 61 ). However, the specific location of this brain activity was not examined, and no control condition was included to confirm the specificity of TENS effects.…”

Section: Discussionmentioning

confidence: 99%

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Chiropractic Spinal Manipulation Prevents Secondary Hyperalgesia Induced by Topical Capsaicin in Healthy Individuals

et al. 2021

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Background and Aims: Spinal manipulation (SM) is currently recommended for the management of back pain. Experimental studies indicate that the hypoalgesic mechanisms of SM may rely on inhibition of segmental processes related to temporal summation of pain and, possibly, on central sensitization, although this remains unclear. The aim of this study was to determine whether experimental back pain, secondary hyperalgesia, and pain-related brain activity induced by capsaicin are decreased by segmental SM.Methods: Seventy-three healthy volunteers were randomly allocated to one of four experimental groups: SM at T5 vertebral level (segmental), SM at T9 vertebral level (heterosegmental), placebo intervention at T5 vertebral level, or no intervention. Topical capsaicin was applied to the area of T5 vertebra for 40 min. After 20 min, the interventions were administered. Pressure pain thresholds (PPTs) were assessed outside the area of capsaicin application at 0 and 40 min to examine secondary hyperalgesia. Capsaicin pain intensity and unpleasantness were reported every 4 min. Frontal high-gamma oscillations were also measured with electroencephalography.Results: Pain ratings and brain activity were not significantly different between groups over time (p > 0.5). However, PPTs were significantly decreased in the placebo and control groups (p < 0.01), indicative of secondary hyperalgesia, while no hyperalgesia was observed for groups receiving SM (p = 1.0). This effect was independent of expectations and greater than placebo for segmental (p < 0.01) but not heterosegmental SM (p = 1.0).Conclusions: These results indicate that segmental SM can prevent secondary hyperalgesia, independently of expectations. This has implications for the management of back pain, particularly when central sensitization is involved.

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Section: Discussionmentioning

confidence: 99%

“…Data was down-sampled to 500 Hz and band-pass filtered (1–100 Hz) ( 33 ). A 50 Hz notch filter was set to reduce noise from external electrical sources ( 61 ). The filtered data was then re-referenced to the common average and visually inspected for infrequent and non-stereotyped artifacts ( 33 ).…”

Section: Methodsmentioning

confidence: 99%

Chiropractic Spinal Manipulation Prevents Secondary Hyperalgesia Induced by Topical Capsaicin in Healthy Individuals

et al. 2021

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“…Among them, the highest frequency is between 40-60 Hz [25]. EEG signals above the γ frequency band will be adulterated with cluttered signals such as participants' movements [26]. The high-frequency signals are unavailable to feature extraction of effective cognitive training.…”

Section: Feature Extraction and Classification Of Eeg Signalsmentioning

confidence: 99%

An EEG-based Multi-Time Scale Spatiotemporal Compound Model for Assessment of Teaching Effectiveness in Navigation Course

Wang¹,

Liu²,

Li³

et al. 2023

Preprint

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<p> In this paper, Electroencephalography (EEG) from physiological indicators was introduced to the assessment of teaching effectiveness in the higher education. The Multi-Time Scale Spatiotemporal Compound Model (MTSC) was proposed to extract and classify the features of participants’ EEG signals. The presented MTSC objectively elucidated that the Hand on Modular Engineering Project-Based (HMEP-based) navigation course reshapes students’ innovation ability. </p>

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“…However, the preliminary aim of the present study is not to produce pain but find out the effects of TENS application, which is a device mostly used in the treatment of pain. There are few studies which have analyzed the effect of TENS with EEG (Olson, 1993;Urasaki et al, 1998;Hoshiyama & Kakigi, 2000;Silva et al, 2014;Pierleoni, Gizdulich & Paoletti, 2011;Ebrahimian et al, 2018). In these studies EEG was recorded to find out the pre and post-treatment effects of TENS application in different groups of subjects.…”

Section: Introductionmentioning

confidence: 99%

EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly

Yıldırım

Güntekin

Hanoğlu

et al. 2020

PeerJ

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Transcutaneous Electrical Nerve Stimulation (TENS) is used not only in the treatment of pain but also in the examination of sensory functions. With aging, there is decreased sensitivity to somatosensory stimuli. It is essential to examine the effect of TENS application on the sensory functions in the brain by recording the spontaneous electroencephalogram (EEG) activity and the effect of aging on the sensory functions of the brain during the application. The present study aimed to investigate the effect of the application of TENS on the brain's electrical activity and the effect of aging on the sensory functions of the brain during application of TENS. A total of 15 young (24.2 ± 3.59) and 14 elderly (65.64 ± 4.92) subjects were included in the study. Spontaneous EEG was recorded from 32 channels during TENS application. Power spectrum analysis was performed by Fast Fourier Transform in the alpha frequency band (8-13 Hz) for all subjects. Repeated measures of analysis of variance was used for statistical analysis (p < 0.05). Young subjects had increased alpha power during the TENS application and had gradually increased alpha power by increasing the current intensity of TENS (p = 0.035). Young subjects had higher alpha power than elderly subjects in the occipital and parietal locations (p = 0.073). We can, therefore, conclude that TENS indicated increased alpha activity in young subjects. Young subjects had higher alpha activity than elderly subjects in the occipital and somatosensory areas. To our knowledge, the present study is one of the first studies examining the effect of TENS on spontaneous EEG in healthy subjects. Based on the results of the present study, TENS may be used as an objective method for the examination of sensory impairments, and in the evaluative efficiency of the treatment of pain conditions. How to cite this article Yıldırım E, Güntekin B, Hanoğlu L, Algun C. 2020. EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly. PeerJ 8:e8330

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Does High Frequency Transcutaneous Electrical Nerve Stimulation (TENS) Affect EEG Gamma Band Activity?

Cited by 10 publications

References 68 publications

Chiropractic Spinal Manipulation Prevents Secondary Hyperalgesia Induced by Topical Capsaicin in Healthy Individuals

Chiropractic Spinal Manipulation Prevents Secondary Hyperalgesia Induced by Topical Capsaicin in Healthy Individuals

An EEG-based Multi-Time Scale Spatiotemporal Compound Model for Assessment of Teaching Effectiveness in Navigation Course

EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly

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