Results 101 to 110 of about 16,306 (215)

Evaluation of patients with relapsing-remitting multiple sclerosis using tract-based spatial statistics analysis: diffusion kurtosis imaging

open access: yesBMC Neurology, 2018
Background Diffusion kurtosis imaging (DKI) has the potential to provide microstructural insights into myelin and axonal pathology with additional kurtosis parameters.
Hai Qing Li   +7 more
doaj   +1 more source

The Emotional Valence Paradox in Social media: A Computational Linguistic Analysis of How Sentiment, Emotion, and Content Domain Predict Social Comparisons on Rednote

open access: yesInternational Journal of Applied Linguistics, EarlyView.
ABSTRACT This computational linguistic study analyzes 8743 Rednote posts to examine how sentiment, emotion, and content domain collectively shape social comparison dynamics on social media. We identify four key findings: (1) an emotional gradient, where upward comparison content exhibits the highest sentiment scores and downward comparison the lowest; (
Michelle Mingyue Gu   +7 more
wiley   +1 more source

Diagnostic performance of amide proton transfer-weighted imaging and four advanced diffusion-weighted MRI models for meningioma grading and subtyping

open access: yesCancer Imaging
Objective To compare the diagnostic performance of amide proton transfer-weighted (APTw), diffusion tensor imaging (DTI), diffusion kurtosis imaging (DKI), neurite orientation dispersion and density imaging (NODDI), and mean apparent propagator (MAP) in ...
Hua Zhang   +9 more
doaj   +1 more source

When Knowledge Is Power: Leveraging Green Innovation Through Employee Training

open access: yesInternational Journal of Training and Development, EarlyView.
ABSTRACT This paper aims to examine the relationship between investments in employee training and green innovation outcomes in German firms. The study investigates how these training expenditures influence the development and implementation of innovations that lead to environmental benefits, such as reduced energy consumption or emissions.
Louisa Mach
wiley   +1 more source

Functional and structural connectivity of thalamic subnuclei in major depressive disorder at 7 Tesla

open access: yesPsychiatry and Clinical Neurosciences, EarlyView.
Aims Major depressive disorder (MDD) is widely considered to be a mood disorder characterized by altered connectivity. The thalamus plays an important role in MDD by connecting large areas of the brain. Here, we explored thalamic connectivity in MDD at the subnuclear level using ultra‐high‐field MRI.
Weijian Liu   +10 more
wiley   +1 more source

Differentiating between Alzheimer’s disease, amnestic mild cognitive impairment, and normal aging via diffusion kurtosis imaging

open access: yesNeural Regeneration Research, 2019
Diffusion kurtosis imaging can be used to assess pathophysiological changes in tissue structure and to diagnose central nervous system diseases. However, its sensitivity in assessing hippocampal differences between patients with Alzheimer’s disease and ...
Guo-Ping Song   +3 more
doaj   +1 more source

Radiological evaluation of biomarkers for renal cell carcinoma [PDF]

open access: yes, 2018
Role of MRI DWI sequences in the evaluation of early response to neo- angiogenesis inhibitors in metastatic renal cell carcinoma Purpose: Angiogenesis inhibitors have a potential role in treating metastatic renal cell carcinoma, but it is still not ...
Marigliano, Chiara
core   +1 more source

Distinct distributions of myosin motor conformations during contraction of slow and fast skeletal muscle

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend We recorded time‐resolved small‐angle X‐ray diffraction patterns from rat soleus muscles during fixed‐end twitch and tetanic contractions to investigate the structural basis of the lower fixed‐end force generated by these muscles compared with fast muscles, such as the mouse extensor digitorum longus (EDL).
Cameron Hill   +7 more
wiley   +1 more source

Rotationally-invariant mapping of scalar and orientational metrics of neuronal microstructure with diffusion MRI

open access: yes, 2018
We develop a general analytical and numerical framework for estimating intra- and extra-neurite water fractions and diffusion coefficients, as well as neurite orientational dispersion, in each imaging voxel.
Fieremans, Els   +3 more
core   +1 more source

Complementary Sensitivity of Fixed‐Time and Fixed‐Oscillation Regimes to Exchange and Structural Disorder in the Human Brain Revealed Using Oscillating‐Gradient Diffusion MRI With Ultra‐Strong Gradients

open access: yesMagnetic Resonance in Medicine, Volume 95, Issue 6, Page 3429-3444, June 2026.
ABSTRACT Purpose Oscillating‐gradient spin‐echo (OGSE) diffusion MRI probes cell geometry and membrane integrity through the frequency‐dependence of kurtosis, but prior studies have reported inconsistent findings depending on how frequency is varied. We compared frequency‐dependent kurtosis in the human brain under two regimes: varying frequency with ...
Dongsuk Sung   +8 more
wiley   +1 more source

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