Anodal transcranial direct current stimulation of the motor cortex in healthy volunteers

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dc.authoridEzgi Tuna Erdoğan / 0000-0002-6209-6912en_US
dc.authoridSacit Karamürsel / 0000-0002-7534-9392
dc.authorscopusidEzgi Tuna Erdoğan / 36165138900
dc.authorscopusidSacit Karamürsel / 7004361830
dc.authorwosidEzgi Tuna Erdoğan / AAM-8737-2020
dc.authorwosidSacit Karamürsel / O-9371-2019
dc.contributor.authorTuna Erdoğan, Ezgi
dc.contributor.authorSaydam, Şiir Su
dc.contributor.authorKurt, Aykurt
dc.contributor.authorKaramürsel, Sacit
dc.date.accessioned2020-08-30T20:07:37Z
dc.date.available2020-08-30T20:07:37Z
dc.date.issued2018
dc.departmentİstinye Üniversitesi, Tıp Fakültesi, Temel Tıp Bilimleri Bölümüen_US
dc.description.abstractEffects of anodal transcranial direct current stimulation (tDCS) of the motor cortex on heart rate variability (HRV) indices in healthy volunteers were examined. Baseline HRVs of 16 healthy subjects were recorded, and the HRV changes during anodal and sham tDCS stimulation over the vertex were observed. RM-ANOVA showed significant changes in the means of the high-frequency (HF) band, lowfrequency (LF) band, and LF/HF ratio (P < 0.0001, P = 0.012, and P = 0.01, respectively). A significant decrease in the LF/HF ratio was found during tDCS as compared to baseline (P = 0.033); this effect was mainly due to an increase in the HF band during active stimulation (P = 0.002 in active vs. baseline, and P = 0.007 in active vs. sham). A slight statistically insignificant decrease in the LF band and increase in the HF band induced a significance in comparison of the LF/HF ratio during sham stimulation. The increase in the HF HRV component reflects intensification of parasympathetic activity during anodal stimulation of the motor cortex. Possible explanations are activation of the motor cortex or a dominancy of the left hemisphere due to lateralized current flow. According to our results, neuromodulation of the motor cortex can be an adjuvant to maintain the autonomic balance in some neurological diseases.en_US
dc.identifier.citationErdogan, E. T., Saydam, S. S., Kurt, A., & Karamursel, S. (2018). Anodal Transcranial Direct Current Stimulation of the Motor Cortex in Healthy Volunteers. Neurophysiology, 50(2), 124–130. https://doi.org/10.1007/s11062-018-9726-2en_US
dc.identifier.doi10.1007/s11062-018-9726-2en_US
dc.identifier.endpage130en_US
dc.identifier.issn0090-2977en_US
dc.identifier.issn1573-9007en_US
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85049908583en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage124en_US
dc.identifier.urihttps://doi.org/10.1007/s11062-018-9726-2
dc.identifier.urihttps://hdl.handle.net/20.500.12713/799
dc.identifier.volume50en_US
dc.identifier.wosWOS:000440051900007en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTuna Erdoğan, Ezgien_US
dc.institutionauthorKaramürsel, Saciten_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofNeurophysiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTranscranial Direct Current Stimulation (Tdcs)en_US
dc.subjectAutonomic Nervous Systemen_US
dc.subjectHeart Rate Variability (Hrv)en_US
dc.subjectSympathetic Systemen_US
dc.subjectParasympathetic Systemen_US
dc.titleAnodal transcranial direct current stimulation of the motor cortex in healthy volunteersen_US
dc.typeArticleen_US

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