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Browse 40,629 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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NCT05241314
This study has two central research questions: 1) Is implementing a family mindfulness-based intervention with war-affected immigrant families through community based participatory research methods feasible?; and 2) Does the intervention demonstrate preliminary improvements in the social and behavioral health of war-affected caregivers and youth by addressing patterns of behavior that potentiate intergenerational trauma? The objective in the proposed study is to use Community Based Participatory Research strategies to test the feasibility and acceptability of a mindfulness-based intervention for Karen refugee families living post-resettlement in the United States. A key focus in this phase of the pilot will be intervention adaptation and establishing fidelity monitoring and quality improvement procedures through which the PI and community health worker interventionists are trained and evaluated in the delivery of the intervention.
NCT05183152
Injuries affecting the central nervous system may disrupt the cortical pathways to muscles causing loss of motor control. Nevertheless, the brain still exhibits sensorimotor rhythms (SMRs) during movement intents or motor imagery (MI), which is the mental rehearsal of the kinesthetics of a movement without actually performing it. Brain-computer interfaces (BCIs) can decode SMRs to control assistive devices and promote functional recovery. Despite rapid advancements in non-invasive BCI systems based on EEG, two persistent challenges remain: First, the instability of SMR patterns due to the non-stationarity of neural signals, which may significantly degrade BCI performance over days and hamper the effectiveness of BCI-based rehabilitation. Second, differentiating MI patterns corresponding to fine hand movements of the same limb is still difficult due to the low spatial resolution of EEG. To address the first challenge, subjects usually learn to elicit reliable SMR and improve BCI control through longitudinal training, so a fundamental question is how to accelerate subject training building upon the SMR neurophysiology. In this study, the investigators hypothesize that conditioning the brain with transcutaneous electrical spinal stimulation, which reportedly induces cortical inhibition, would constrain the neural dynamics and promote focal and strong SMR modulations in subsequent MI-based BCI training sessions - leading to accelerated BCI training. To address the second challenge, the investigators hypothesize that neuromuscular electrical stimulation (NMES) applied contingent to the voluntary activation of the primary motor cortex through MI can help differentiate patterns of activity associated with different hand movements of the same limb by consistently recruiting the separate neural pathways associated with each of the movements within a closed-loop BCI setup. The investigators study the neuroplastic changes associated with training with the two stimulation modalities.