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Restoration of Genuine Sensation and Proprioception of Individual Fingers Following Transradial Amputation with Targeted Sensory Reinnervation as a Mechanoneural Interface.
J Clin Med
January 2025
Department of Trauma Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
: Tactile gnosis derives from the interplay between the hand's tactile input and the memory systems of the brain. It is the prerequisite for complex hand functions. Impaired sensation leads to profound disability.
View Article and Find Full Text PDFEEG Responses to Upper Limb Pinprick Stimulation in Acute and Early Subacute Motor and Sensorimotor Stroke: A Proof of Concept.
Transl Stroke Res
January 2025
Department of Rehabilitation Sciences, KU Leuven, B-3001, Leuven, Belgium.
Electroencephalogram (EEG) during pinprick stimulation has the potential to unveil neural mechanisms underlying sensorimotor impairments post-stroke. A proof-of-concept study explored event-related peak pinprick amplitude and oscillatory responses in healthy controls and in people with acute and subuacute motor and sensorimotor stroke, their relationship, and to what extent EEG somatosensory responses can predict sensorimotor impairment. In this study, 26 individuals participated, 10 people with an acute and early subacute sensorimotor stroke, 6 people with an acute and early subacute motor stroke, and 10 age-matched controls.
View Article and Find Full Text PDFIntraoperative Monitoring of Sensory Evoked Potentials in Neurosurgery: A Personalized Approach.
J Pers Med
January 2025
E.N. Meshalkin National Medical Research Center, Ministry of Health of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk 630055, Russia.
Sensory evoked potentials (EPs), namely, somatosensory, visual, and brainstem acoustic EPs, are used in neurosurgery to monitor the corresponding functions with the aim of preventing iatrogenic neurological complications. Functional deficiency usually precedes structural defect, being initially reversible, and prompt alarms may help surgeons achieve this aim. However, sensory EP registration requires presenting multiple stimuli and averaging of responses, which significantly lengthen this procedure.
View Article and Find Full Text PDFEvaluation of Lower Lip Hypoesthesia Using Trigeminal Somatosensory Evoked Potential After Sagittal Split Ramus Osteotomy: Retrospective Study.
J Craniofac Surg
January 2025
Department of Oral and Maxillofacial Surgery, Division of Medicine, Interdisciplinary Graduate School, University of Yamanashi, Yamanashi, Japan.
Objective: This study evaluated the degree of paresthesia and recovery of the lower lip and chin in patients who underwent sagittal split ramus osteotomy (SSRO) by measuring the preoperative and postoperative trigeminal somatosensory evoked potential (TSEP).
Study Design: Thirty-seven patients with skeletal class II and III malocclusion who underwent SSRO were included. TSEP was measured at 7 points: preoperatively and 1 week, 1, 3, 6, 12, and 18 months postoperatively.
Investigation of sensory attenuation in the somatosensory domain using EEG in a novel virtual reality paradigm.
Sci Rep
January 2025
Neurocomputation and Neuroimaging Unit (NNU), Freie Universität Berlin, Berlin, Germany.
We are not only passively immersed in a sensorial world, but we are active agents that directly produce stimulations. Understanding what is unique about sensory consequences can give valuable insight into the action-perception-cycle. Sensory attenuation is the phenomenon that self-produced stimulations are perceived as less intense compared to externally-generated ones.
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