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

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 th...

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Main Authors: Ebru Yıldırım, Bahar Güntekin, Lütfü Hanoğlu, Candan Algun
Format: Article
Language:English
Published: PeerJ Inc. 2020-01-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/8330.pdf
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author Ebru Yıldırım
Bahar Güntekin
Lütfü Hanoğlu
Candan Algun
author_facet Ebru Yıldırım
Bahar Güntekin
Lütfü Hanoğlu
Candan Algun
author_sort Ebru Yıldırım
collection DOAJ
description 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.
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spelling doaj.art-22e32181372542cfb041ff06aa47f6bb2023-12-03T10:41:15ZengPeerJ Inc.PeerJ2167-83592020-01-018e833010.7717/peerj.8330EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderlyEbru Yıldırım0Bahar Güntekin1Lütfü Hanoğlu2Candan Algun3Department of Physical Therapy and Rehabilitation/Graduate School of Health Sciences, Istanbul Medipol University, Istanbul, TurkeyDepartment of Biophysics/School of Medicine, Istanbul Medipol University, Istanbul, TurkeyREMER, Clinical Electrophysiology, Neuroimaging, and Neuromodulation Lab., Istanbul Medipol University, Istanbul, TurkeyDepartment of Physical Therapy and Rehabilitation/School of Health Sciences, Istanbul Medipol University, Istanbul, TurkeyTranscutaneous 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.https://peerj.com/articles/8330.pdfPainTENSEEGFFTAlpha
spellingShingle Ebru Yıldırım
Bahar Güntekin
Lütfü Hanoğlu
Candan Algun
EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
PeerJ
Pain
TENS
EEG
FFT
Alpha
title EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
title_full EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
title_fullStr EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
title_full_unstemmed EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
title_short EEG alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
title_sort eeg alpha activity increased in response to transcutaneous electrical nervous stimulation in young healthy subjects but not in the healthy elderly
topic Pain
TENS
EEG
FFT
Alpha
url https://peerj.com/articles/8330.pdf
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AT lutfuhanoglu eegalphaactivityincreasedinresponsetotranscutaneouselectricalnervousstimulationinyounghealthysubjectsbutnotinthehealthyelderly
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