Individualized cognitive neuroscience needs 7T: Comparing numerosity maps at 3T and 7T MRI
نویسندگان
چکیده
منابع مشابه
Cardiac MRI at 7T
In the brain, results have been shown at 7T that are not achievable at lower field strengths. Cardiac imaging at 7T offers similar headline benefits to those images of the brain. More field strength gives more SNR, added to which more field strength increases the T1 and hence increases the effect of contrast agents. This simple idea is appealing in a grant application, but in reality 7T has som...
متن کاملComparing 3DQRS and VCG approaches for ECG QRS detection within 1.5T, 3T and 7T MRI
Background Electrocardiograms (ECGs) obtained within High-field MRIs are distorted due to the Magneto-hydrodynamic (MHD) effect. Blood plasma electrolytes ejected into the aorta during early systole interact with the strong magnetic field of the MR scanner to produce a MHD-induced voltage (VMHD) [1]. The VMHD overlay on ECG traces can result in intermittent QRS detection. Vectorcardiogram (VCG)...
متن کاملSkin T1 Mapping at 1.5T, 3T, and 7T
Introduction: The signal gains from higher field strengths are attractive for high-resolution skin imaging [1]. However, a legitimate concern is the increase in the spin-lattice relaxation parameter T1. When T1 increases, a prolonged TR is necessary to maintain the signal level, which lengthens the scan time. In this work, we compare skin T1 maps at 1.5T, 3T, and 7T. In addition, we propose a n...
متن کاملAssessing functional connectivity measures at 3T and 7T
Introduction: Functional connectivity, implied by inter-region correlation, has previously been reported in spontaneous resting state BOLD activity. Previous work has shown high correlation between BOLD fMRI signals from functionally related disparate brain regions e.g. 1 implying that brain activity in these regions is connected even in the absence of external stimuli. It is well known that as...
متن کاملAutomated Hippocampal Subfield Segmentation at 7T MRI.
BACKGROUND AND PURPOSE High resolution 7T MRI is increasingly used to investigate hippocampal subfields in vivo, but most studies rely on manual segmentation which is labor intensive. We aimed to evaluate an automated technique to segment hippocampal subfields and the entorhinal cortex at 7T MRI. MATERIALS AND METHODS The cornu ammonis (CA)1, CA2, CA3, dentate gyrus, subiculum, and entorhinal...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: NeuroImage
سال: 2021
ISSN: 1053-8119
DOI: 10.1016/j.neuroimage.2021.118184