Results 51 to 60 of about 2,847,330 (149)

Exploring white matter microstructural alterations in mild cognitive impairment: a multimodal diffusion MRI investigation utilizing diffusion kurtosis and free-water imaging

Frontiers in Neuroscience
BackgroundMild Cognitive Impairment (MCI) is a transitional stage from normal aging to dementia, characterized by noticeable changes in cognitive function that do not significantly impact daily life.
Megan R. Nelson, Megan R. Nelson, Elizabeth G. Keeling, Elizabeth G. Keeling, Ashley M. Stokes, Maurizio Bergamino   +5 more
doaj   +1 more source

Diffusion Kurtosis Imaging of Persistent Developmental Stuttering

, 2017
Stuttering is a developmental speech disorder characterized by prolongations and/or repetitions of speech sounds as well as silent blocks during speech production. It affects about 5% of children and 1% of the general population.
Misaghi, Ehsan
core   +1 more source

Improvement of data quality for Diffusion Kurtosis Imaging and application to clinical neurological research [PDF]

, 2014
Understanding human brain function and dysfunction is one of the major challenges of our century. One of the most popular methods to achieve this goal is in vivo magnetic resonance imaging.
André, Elodie
core   +3 more sources

gKFA: a geometric framework for kurtosis fractional anisotropy

Scientific Reports
Diffusion kurtosis imaging (DKI) extends diffusion tensor imaging (DTI) by incorporating non-Gaussian diffusion effects through a fourth-order kurtosis tensor.
Sumit Kaushik, Avinash Bansal, Jan Kubíček, Martin Haváček, Amit Khairnar   +4 more
doaj   +1 more source

Diffusion Kurtosis Imaging of Microstructural Changes in Gray Matter Nucleus in Parkinson Disease

Frontiers in Neurology, 2020
Objective: To explore the microstructural damage of extrapyramidal system gray matter nuclei in Parkinson disease (PD) using diffusion kurtosis imaging (DKI).Materials and Methods: We enrolled 35 clinically confirmed PD patients and 23 healthy volunteers.
Gao Bingbing, Zhou Yujing, Miao Yanwei, Dong Chunbo, Wang Weiwei, Tian Shiyun, Liu Yangyingqiu, Shang Jin, Song Qingwei, Liu Ailian, Xie Lizhi   +10 more
doaj   +1 more source

Microstructural changes of the white matter in systemic lupus erythematosus patients without neuropsychiatric symptoms: a multi-shell diffusion imaging study

Arthritis Research & Therapy
Background Diffusion kurtosis imaging (DKI) and neurite orientation dispersion and density imaging (NODDI) provide more comprehensive and informative perspective on microstructural alterations of cerebral white matter (WM) than single-shell diffusion ...
Wenjun Hu, Ziru Qiu, Qin Huang, Yuhao Lin, Jiaying Mo, Linhui Wang, Jingyi Wang, Kan Deng, Yanqiu Feng, Xinyuan Zhang, Xiangliang Tan   +10 more
doaj   +1 more source

Mapping the orientation of white matter fiber bundles: A comparative study of diffusion Tensor Imaging, diffusional kurtosis imaging, and diffusion spectrum imaging

, 2016
[[abstract]]BACKGROUND AND PURPOSE: White matter fiber tractography relies on fiber bundle orientation estimates from diffusion MR imaging. However, clinically feasible techniques such as DTI and diffusional kurtosis imaging use assumptions, which may ...
Glenn, GR;Kuo, LW;Chao, YP;Lee, CY;Helpern, JA;Jensen, JH
core   +1 more source

The value of diffusion kurtosis imaging to predict early radiotherapy response in nasopharyngeal carcinoma patients

Zhongguo aizheng zazhi, 2018
Background and purpose: Magnetic resonance imaging (MRI) diffusion kurtosis imaging (DKI) is a new non-invasive functional imaging technology, which is the extension and development of diffusion tensor imaging (DTI) technology.
吴　刚, 王　奋, 林少民
doaj  

Recent Developments in Fast Kurtosis Imaging

Frontiers in Physics, 2017
Diffusion kurtosis imaging (DKI) is an extension of the popular diffusion tensor imaging (DTI) technique. DKI takes into account leading deviations from Gaussian diffusion stemming from a number of effects related to the microarchitecture and ...
Brian Hansen, Sune N. Jespersen, Sune N. Jespersen   +2 more
doaj   +1 more source

Diffusion kurtosis imaging

, 2016
: Diffusion kurtosis imaging (DKI) is a recent imaging method that probes the diffusion of water molecules. Whereas diffusion tensor imaging (DTI) models the diffusion as a 3D Gaussian function, DKI takes it one step further by additionally quantifying ...
Veraart, Jelle, Sijbers, Jan
core