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The effect of distraction and feedback on prefrontal cortex activity and balance in middle-aged adults: A functional near-infrared spectroscopy pilot study.
Neuroscience
January 2025
School of Kinesiology and Health Science, York University, Toronto, Canada. Electronic address:
Maintaining balance while simultaneously performing other tasks is common during everyday activities. However, this dual-tasking (DT) divides attention and increases cognitive demand, which can be detrimental to stability in older adults. It is unknown if the focus of attention influences how a dual-task affects balance and whether this is detectable in middle-aged adults.
View Article and Find Full Text PDFBiomechanical analysis of step-up and step-down tasks in knee osteoarthritis: Insights from leading and trailing limbs.
Clin Biomech (Bristol)
January 2025
Rehabilitation Research Institute of Singapore, Nanyang Technological University, 11 Mandalay Rd, #14-03 Clinical Sciences Building, 308232, Singapore; Department of Orthopaedic Surgery, Woodlands Health, National Healthcare Group, 737628, Singapore.
Background: Stair climbing tests are pivotal when assessing physical performance in knee osteoarthritis patients, yet the biomechanical strategies that underpin poor stair climbing ability are heterogeneously reported. Single step tasks emulate a step-by-step gait pattern, an approach associated with knee pain when stair climbing. The objective of this study is to analyse the biomechanics and electromyography activity of both the leading and trailing limbs during single Step-up and Down tasks in knee osteoarthritis patients.
View Article and Find Full Text PDFBimetallic metal-organic frameworks as electrode modifiers for enhanced electrochemical sensing of chloramphenicol.
Mikrochim Acta
January 2025
Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, College of Optoelectronic Materials and Technology, Jianghan University, Wuhan, 430056, China.
An electrochemical sensor is presented for the detection of the chloramphenicol (CAP) based on a bimetallic MIL-101(Fe/Co) MOF electrocatalyst. The MIL-101(Fe/Co) was prepared by utilizing mixed-valence Fe (III) and Co (II) as metal nodes and terephthalic acid as ligands with a simple hydrothermal method and characterized by SEM, TEM, XRD, FTIR, and XPS. Electrochemical measurements such as electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), and differential pulse voltammetry (DPV) showed that bimetallic MIL-101(Fe/Co) had the faster electron transfer, larger electroactive area, and higher electrocatalytic activity compared with their monometallic counterparts due to the strong synergistic effect between bimetals.
View Article and Find Full Text PDFCorrelation of zero echo time functional MRI with neuronal activity in rats.
J Cereb Blood Flow Metab
January 2025
A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland.
Zero echo time (zero-TE) pulse sequences provide a quiet and artifact-free alternative to conventional functional magnetic resonance imaging (fMRI) pulse sequences. The fast readouts (<1 ms) utilized in zero-TE fMRI produce an image contrast with negligible contributions from blood oxygenation level-dependent (BOLD) mechanisms, yet the zero-TE contrast is highly sensitive to brain function. However, the precise relationship between the zero-TE contrast and neuronal activity has not been determined.
View Article and Find Full Text PDFExploration of hospital room design on emotions, activity, and social connections after stroke: a qualitative study of patient experiences using virtual reality.
Disabil Rehabil
January 2025
Stroke Theme, Level 1, The Florey Institute of Neuroscience and Mental Health, Heidelberg, VIC, Australia.
Unlabelled: Stroke patients are rarely asked about their responses to specific design attributes. Virtual reality (VR) offers a promising tool to explore how hospital environments are experienced after stroke.
Purpose: To gather perspectives and emotional responses regarding physical design attributes of hospital patient rooms after stroke.
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