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Wrist posture unpredictably affects perception of targeted transcutaneous electrical nerve stimulation with wrist-placed electrodes.
Front Neurosci
December 2024
Research and Exploratory Development Department, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States.
Objective: Targeted transcutaneous electrical nerve stimulation (tTENS) is a non-invasive neural stimulation technique that involves activating sensory nerve fibers to elicit tactile sensations in a distal, or referred, location. Though tTENS is a promising approach for delivering haptic feedback in virtual reality or for use by those with somatosensory deficits, it was not known how the perception of tTENS might be influenced by changing wrist position during sensorimotor tasks.
Approach: We worked with 12 able-bodied individuals and delivered tTENS by placing electrodes on the wrist, thus targeting the ulnar, median, and radial nerves, and eliciting tactile sensations in the hand.
Invasive or Non-invasive Vagus Nerve Stimulation Modulation of Brain Function and Remodeling After Stroke: a Review.
Int J Surg
December 2024
Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
Background: The main reason restricting stroke patients from reintegrating into society is neurological deficits. Of particular interest is the potential Vagus Nerve Stimulation (VNS) potentially offers for sustaining improvement in neurological deficits. The goal of the present study is to provide a summary of the findings from research that has been carried out to elucidate the mechanisms and demonstrate the efficacy and safety of the clinical application of VNS, as well as to identify research gaps in the field, in order to offer references for subsequent further research and application.
View Article and Find Full Text PDFReal-time adaptive cancellation of TENS feedback artifact on sEMG for prosthesis closed-loop control.
Front Bioeng Biotechnol
November 2024
HRI2, Istituto Italiano di Tecnologia, Genoa, Italy.
Article Synopsis
- * An adaptive artifact removal technique was proposed that uses a modified least-mean-square filter, leveraging previous artifact data for more effective cancellation across different frequencies and pulse widths of TENS.
- * Validation tests with 12 participants showed a significant improvement in Signal-to-Noise Ratio (SNR) by 10.3 dB, restoring prosthetic control performance to levels comparable to those without TENS interference.
Micrognathia and cleft palate as a cause of obstructive sleep apnoea in infants.
Acta Paediatr
December 2024
Department of Plastic Surgery, Cleft and Craniofacial Centre Husuke, Helsinki University Central Hospital, Helsinki, Finland.
Aim: Obstructive sleep apnoea (OSA) is common in Robin sequence (RS). We investigated the significance of micrognathia, cleft palate and sleep positioning on OSA in infants.
Methods: We analysed our 13-year national reference centre polysomnography (PSG) dataset.
Exploring the Versatility of Transconjunctival Blepharoplasty: A Retrospective Single-Center Study.
Cureus
November 2024
Plastic Surgery, Excel Hospital, New Delhi, IND.
Background Transconjunctival blepharoplasty using the postseptal technique provides direct access to orbital fat, offering reduced risk of complications, such as ectropion, entropion, fat over-resection, and inferior oblique muscle palsy. This study aims to evaluate the clinical outcomes and safety of transconjunctival blepharoplasty using the postseptal technique, focusing on the incidence of postoperative complications, the recovery time, and the feasibility of combining ancillary procedures with this approach. Methods In this retrospective observational study, we analyzed the outcomes of 88 patients who underwent transconjunctival postseptal blepharoplasty at a private hospital in northern India between July 2022 and January 2024.
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