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A family of coexisting multi-scroll chaos and its selected control in coupled non-oscillatory neurons: A case study.
Heliyon
January 2025
Unité de Recherche d'Automatique et d'Informatique Appliquée (UR-AIA), IUT-FV Bandjoun University of Dschang, P.O. Box 134, Bandjoun, Cameroon.
This study presents a family of coexisting multi-scroll chaos in a network of coupled non-oscillatory neurons. The dynamics of the system are analyzed using phase portraits, basins of attraction, time series, bifurcation diagrams, and spectra of Lyapunov exponents. The coexistence of multiple bifurcation diagrams leads to a complex pattern of multi-scroll formation, which is further complicated by the presence of coexisting single-scroll attractors that merge to form multi-scroll chaos.
View Article and Find Full Text PDFPallidal Spike-Train Variability and Randomness Are the Most Important Signatures to Classify Parkinson's Disease and Cervical Dystonia.
Eur J Neurosci
January 2025
Case Western Reserve University, Cleveland, Ohio, USA.
Movement disorders such as Parkinson's disease (PD) and cervical dystonia (CD) are associated with abnormal neuronal activity in the globus pallidus internus (GPi). Reduced firing rate and presence of spiking bursts are typical for CD, whereas PD is characterized by high frequency tonic activity. This research aims to identify the most important pallidal spiking parameters to classify these conditions.
View Article and Find Full Text PDFStudy on the linkage mechanism between key strata fracture in overburden and surface subsidence during caving mining in extra-thick coal seams.
Sci Rep
January 2025
Haohua Hongqingliang Mining Company, Ltd, Ordos, 014300, Inner Mongolia, China.
Caving mining in extra-thick coal seams induces large-scale overburden movement, leading to more intense fracture processes in key strata, more significant surface subsidence, and frequent dynamic disasters in mines. This study, using the N34-2 caving face of the 17th coal seam at Junde Mine as a case study, aims to investigate the time-varying linkage mechanism between surface subsidence, microseismic characteristics, and fracture scales of the overburden's key strata under such mining conditions. Based on Timoshenko's theory, a bearing fracture mode for the overburden's key strata is proposed, and corresponding fracture criteria are established.
View Article and Find Full Text PDFTherapeutic Effects of Theta Burst Stimulation on Cognition Following Brain Injury.
Clin Psychopharmacol Neurosci
February 2025
Department of Psychiatry, Tri-Service General Hospital and School of Medicine, National Defense Medical Center, Taipei, Taiwan.
This case report explores the therapeutic potential of theta burst stimulation (TBS) for cognitive enhancement in individuals with brain injuries. The study presents a 38-year-old male suffering from an organic mental disorder attributed to a traumatic brain injury (TBI), who demonstrated notable cognitive improvements following an intensive TBS protocol targeting the left dorsal lateral prefrontal cortex. The treatment led to significant enhancements in impulse control, irritability, and verbal comprehension without adverse effects.
View Article and Find Full Text PDFIntradural extra-medullary spinal cord tumor after dorso-lumbar spine fixation following 12th dorsal vertebra burst fracture: A case report with literature review.
Radiol Case Rep
March 2025
University of Baghdad, College of Medicine, Baghdad, Iraq.
Intradural extramedullary spinal cord tumors are rare but can cause significant neurological symptoms. We present a case of a 23-year-old male who developed progressive bilateral leg pain and lower limb weakness 2 years after undergoing posterior spinal fixation for a T12 burst fracture. Magnetic resonance imaging (MRI) revealed an intradural extramedullary tumor at the site of the previous surgery.
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