Previous work in the field has been critiqued for not taking into account potential hormone-related water shifts or cerebral blood flow (CBF) changes in the brain, which could be misconstrued as hormone-related brain-volume changes. Although the Magdeburg Young Adult 7T Atlas does exclude the a...
Translational brain research using Magnetic Resonance Imaging (MRI) is becoming increasingly popular as animal models are an essential part of scientific studies and more ultra-high-field scanners are becoming available. Some disadvantages of MRI are the availability of MRI scanners and the time require...
Using mri_reface reduced recognition rates for all of these scan types to ≤8%, while its effects on brain measurements from 3D T1-weighted images (GM volume and cortical thickness), T2-FLAIR (regional WMH volumes) and ME-GRE (regional QSM values) were each mostly smaller than estimates of...
(A) Signal path from whisker stimulation to activation in the barrel cortex [(1) trigeminal nerve, brain stem, (2) sensory information to the thalamus, (3) the primary somatosensory barrel cortex (BC)]. (B) Block-design of whisker air-puff stimulation. (C) Widespread cortical BOLD ...
A total of 713 participants with, both, a DNA methylation measure and a brain MRI scan are included in these analyses. For each participant, DNA methylation age was estimated from the background-subtracted beta values processed in GenomeStudio. Imputation of missing beta values and data normaliza...
Data Availability Statement No new data were created or analyzed in this study. Data sharing is not applicable to this article. Conflicts of Interest The authors declare no conflict of interest. References Buckinx, F.; Aubertin-Leheudre, M. Nutrition to Prevent or Treat Cognitive Impairment in...
Brain segmentation in magnetic resonance imaging (MRI) images is the process of isolating the brain from non-brain tissues to simplify the further analysis, such as detecting pathology or calculating volumes. This paper proposes a Graph-based Unsupervised Brain Segmentation (GUBS) that processes 3D ...
PET imaging also requires the use of radio-isotopes, and carries the risk of significant radiation: an amyloid scan is estimated to expose the patient to about 7 mSv of radiation dose, roughly equivalent to several CT scans, as a typical head CT may be about 2 mSv. Availability of radio...
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However, in the first 20 years since those initial experiments, ASL was mostly confined to the brain, as susceptibility effects and motion limited its use in thoracic and abdominal organs. Nonetheless, work in renal ASL has substantially increased in the past few years, motivated by the interest...