Remotely Supervised tDCS+ for Complex Attention in mTBI (Cognetric)

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The proposed study will evaluate a new approach to cognitive rehabilitation of mTBI using a brain stimulation technique called "Remotely Supervised Transcranial Direct Current Stimulation combined with Cognitive Training" (RS-tDCS+) which has shown promise for improving complex attention in both healthy and clinical populations. RS-tDCS+ is a home-based, low-risk, non-invasive technique that is designed to boost cognitive training by enhancing learning and the brain's ability to reorganize connections. This study will evaluate RS-tDCS+ for improving complex attention in Active Duty Service Members (ADSM) and Veterans with a history of mTBI. Different tests of complex attention and symptom questionnaires will be used to determine the effects of real versus sham (placebo) RS-tDCS+. Second, the investigators will investigate electrical and connectivity changes in the brain associated with RS-tDCS+ using electroencephalogram (EEG) and magnetic resonance imaging (MRI). Third, the investigators will investigate the lasting effects of any observed changes by evaluating participants at 1 and 6 weeks post-treatment. Lastly, the investigators will explore the impact of individual differences (e.g., PTSD, depression, sleep quality, time since injury, baseline impairment, age, sex, ADSM versus Veteran) on treatment outcome.

A vizsgálat 2 csoportja

• Active tDCSA vizsgált kezelés

  Participants will receive 10 sessions of cognitive training concurrent with transcranial direct current stimulation. Stimulation will be applied for 20 minutes at the beginning of each session. Current will be ramped from 0 mA to 2 mA over 30 seconds, and then ramped down from 2 mA to 0 mA at the end of 20 minutes. Current will be applied via two electrodes consisting of a pre-inserted carbon rubber snap electrode that is pre-saturated with saline and connects directly to designated electrode sites located on the tDCS headband. The anodal stimulating electrode will be at location F3 (based on the 10-20 EEG location system) and the cathodal electrode at location F4.

  Kezelés: Active tDCS and Cognitive Training Intervention

• Sham tDCSSzínlelt kezelés, összehasonlításként

  Electrodes will be placed at the same positions as for active stimulation (F3 and F4), but current will be ramped down immediately after the initial 30s ramp up period and then at 20 minutes ramped up and down as done at the beginning. Thus, participants feel the initial tingling sensation associated with tDCS, but will receive no active current for the rest of the stimulation period

  Kezelés: Sham tDCS and Cognitive Training Intervention