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- W4384129263 abstract "Abstract Transcranial direct current stimulation (tDCS) might modulate neural activity and promote neural plasticity. This factorial randomized clinical trial compared a-tDCS on the left dorsolateral prefrontal cortex (l-DLPFC) or sham (s-tDCS), and a-tDCS or s-tDCS on the primary motor cortex (M1) in the connectivity analyses in eight regions of interest (ROIs) across eight resting-state electroencephalography (EEG) frequencies. We included 48 women with fibromyalgia, aged 30 to 65, randomly assigned to 2:1:2:1 to receive 20 sessions during 20 minutes of a-tDCS 2mA or s-tDCS at home, over l-DLPFC or M1, respectively. EEG recordings were obtained before and after treatment with eyes open (EO) and eyes closed (EC). In the EC condition, comparing pre to post-treatment, the a-tDCS on l-DLPFC decreased the lagged coherence connectivity in the delta frequency band between the right insula and left anterior cingulate cortex (ACC) (t=-3.542, p=.048). The l-DLPFC a-tDCS compared to s-tDCS decreased the lagged coherence connectivity in the delta frequency band between the right insula and left ACC (t=-4.000, p=.017). In the EO condition, the l-DLPFC a-tDCS compared to M1 s-tDCS increased the lagged coherence connectivity between the l-DLPFC and left ACC in the theta band (t=-4.059, p=.048). Regression analysis demonstrated that the a-tDCS effect on the l-DLPFC was positively correlated with sleep quality, while a-tDCS on l-DLPFC and M1 s-tDCS were positively correlated with pain catastrophizing. The application of a-tDCS over the l-DLPFC has modulated the connectivity between various brain regions involved in the affective-attentional aspects of pain, especially at lower EEG frequencies during the resting state. These findings suggest that the effects of a-tDCS on neural oscillations could serve as a neural marker associated with its impact on fibromyalgia symptoms." @default.
- W4384129263 created "2023-07-14" @default.
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- W4384129263 date "2023-07-13" @default.
- W4384129263 modified "2023-10-16" @default.
- W4384129263 title "Modulation of Neural Networks and Symptom Correlated in Fibromyalgia: A Randomized Double-blind Factorial Explanatory Clinical Trial of Home-Based Transcranial Direct Current Stimulation" @default.
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- W4384129263 doi "https://doi.org/10.1101/2023.07.05.23292267" @default.
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