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| http://dx.doi.org/10.3389/fnana.2013.00014 | DOI Listing |
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Kinematic Hand Synergies Differ Between Reach-and-Grasp and Functional Object Manipulation.
J Neurophysiol
December 2024
Department of Mechanical Engineering, Massachusetts Institute of Technology.
Article Synopsis
- Humans have a special ability to use tools thanks to the dexterity of their hands, but many lose this ability due to injuries or strokes, prompting further research on human hand function.
- Previous studies primarily focused on coordinated movements for reaching and grasping, but there is a gap in understanding how we manipulate complex objects.
- This study tested two hypotheses about hand synergies in manipulation compared to reaching and grasping, revealing that manipulation requires more synergies and that the specific synergies differ between the two actions, highlighting the need for more focused research to improve prosthetics and rehabilitation.
T Thermometry for Deep Brain Stimulation Applications: A Comparison between Rapid Gradient Echo Sequences.
J Biomed Phys Eng
December 2024
Department of Medical Physics and Biomedical Engineering, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
Background: T thermometry is considered a straight method for the safety monitoring of patients with deep brain stimulation (DBS) electrodes against radiofrequency-induced heating during Magnetic Resonance Imaging (MRI), requiring different sequences and methods.
Objective: This study aimed to compare two T thermometry methods and two low specific absorption rate (SAR) imaging sequences in terms of the output image quality.
Material And Methods: In this experimental study, a gel phantom was prepared, resembling the brain tissue properties with a copper wire inside.
Hibernation enhances contractile responses of basilar artery in ground squirrels: The role of Rho-kinase and NO.
Comp Biochem Physiol A Mol Integr Physiol
December 2024
Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia; Department of Physiology and Pathology, Faculty of Basic Medicine, M.V. Lomonosov Moscow State University, Moscow, Russia.
Hibernation is accompanied by dramatic decrease of blood flow in many organs due to the increase of their vascular resistances. We compared the responses of mesenteric, renal, and cerebral proximal resistance arteries in summer active (SA) and winter hibernating (WH) ground squirrels and studied the signaling pathways of Rho-kinase and NO. Wire myography and Western blotting were used to assess the arterial responses and protein abundances.
View Article and Find Full Text PDFAn examination of cortical thickness relationships within the reading network of adults.
Brain Struct Funct
December 2024
Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, T6G 2G4, Canada.
Much brain imaging work has underscored the functional connections among the inferior frontal gyrus (IFG; articulation), supramarginal gyrus (SMG; letter-sound correspondence), superior temporal gyrus (STG; sound) and fusiform gyrus (FFG; print) during basic reading processes. This reading network supports and coordinates the complex processes that contribute to successful reading. In line with the Hebbian notion that 'neurons that fire together, wire together' we examined cortical thickness among these regions and the extent to which these regions showed structural relationships in average and impaired readers.
View Article and Find Full Text PDFBibliometric and visual study of narcolepsy from 2000 to 2023.
World J Psychiatry
December 2024
Department of Psychiatry, Chaohu Hospital of Anhui Medical University, Hefei 238000, Anhui Province, China.
Background: More studies explored the prevalence, causes, associated conditions, and therapeutic strategies of narcolepsy. With an increasing focus on understanding narcolepsy's prevalence, associated conditions, and therapeutic strategies, there's a notable absence of bibliometric analyses summarizing trends in research and identifying emerging areas of focus within this field.
Aim: To conduct a bibliometric analysis to investigate the current status and frontiers of narcolepsy.
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