Zobrazeno 1 - 10
of 2 116
pro vyhledávání: '"7T"'
Autor:
Yifan Yuan, Kaitao Chen, Youjia Zhu, Yang Yu, Mintao Hu, Ying‐Hua Chu, Yi‐Cheng Hsu, Jie Hu, Qi Yue, Mianxin Liu
Publikováno v:
iRADIOLOGY, Vol 2, Iss 5, Pp 498-509 (2024)
Abstract Background The integration of 7 Tesla (7T) magnetic resonance imaging (MRI) with advanced multimodal artificial intelligence (AI) models represents a promising frontier in neuroimaging. The superior spatial resolution of 7TMRI provides detai
Externí odkaz:
https://doaj.org/article/500b1e0581d7489fb982e9c290452e9e
Publikováno v:
iRADIOLOGY, Vol 2, Iss 4, Pp 377-386 (2024)
Abstract The development of 7‐Tesla (7T) magnetic resonance imaging systems has opened new avenues for exploring the advantages of diffusion imaging at higher field strengths, especially in neuroscience research. This review investigates whether 7T
Externí odkaz:
https://doaj.org/article/001512f95c9a4cf79eaf7a2aadc26c03
Autor:
M. Collée, R. Rajkumar, E. Farrher, J. Hagen, S. Ramkiran, G. J. Schnellbächer, N. Khudeish, N. J. Shah, T. Veselinović, I. Neuner
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The posterior cingulate cortex (PCC) is a key hub of the default mode network and is known to play an important role in attention. Using ultra-high field 7 Tesla magnetic resonance spectroscopy (MRS) to quantify neurometabolite concentration
Externí odkaz:
https://doaj.org/article/a27de31b32dd4e88a331cb812069806d
Autor:
Islay Campbell, Roya Sharifpour, Jose Fermin Balda Aizpurua, Elise Beckers, Ilenia Paparella, Alexandre Berger, Ekaterina Koshmanova, Nasrin Mortazavi, John Read, Mikhail Zubkov, Puneet Talwar, Fabienne Collette, Siya Sherif, Christophe Phillips, Laurent Lamalle, Gilles Vandewalle
Publikováno v:
eLife, Vol 13 (2024)
Light exerts multiple non-image-forming biological effects on physiology including the stimulation of alertness and cognition. However, the subcortical circuitry underlying the stimulating impact of light is not established in humans. We used 7 Tesla
Externí odkaz:
https://doaj.org/article/124ff5d43ec94eae85459310d069713f
Publikováno v:
AIMS Neuroscience, Vol 10, Iss 4, Pp 401-422 (2023)
Seven tesla magnetic resonance imaging (7T MRI) is known to offer a superior spatial resolution and a signal-to-noise ratio relative to any other non-invasive imaging technique and provides the possibility for neuroimaging researchers to observe dise
Externí odkaz:
https://doaj.org/article/75a49d9d452746e2aeb52aa3150d95a6
Publikováno v:
Sensors, Vol 24, Iss 17, p 5793 (2024)
In vivo phosphorus-31 (31P) magnetic resonance spectroscopy (MRS) imaging (MRSI) is an important non-invasive imaging tool for studying cerebral energy metabolism, intracellular nicotinamide adenine dinucleotide (NAD) and redox ratio, and mitochondri
Externí odkaz:
https://doaj.org/article/aee2ecf8dde74d698d74f3c7bb4d1480
Autor:
Yudi Tang, Haining Wei, Zihao Zhang, Mingzhu Fu, Junqiang Feng, Zhixin Li, Xinke Liu, Yue Wu, Jinyuan Zhang, Wei You, Rong Xue, Yan Zhuo, Yuhua Jiang, Youxiang Li, Rui Li, Peng Liu
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30006- (2024)
Background: Wall shear stress (WSS) has been proved to be related to the formation, development and rupture of intracranial aneurysms. Aneurysm wall enhancement (AWE) on magnetic resonance imaging (MRI) can be caused by inflammation and have confirme
Externí odkaz:
https://doaj.org/article/c385d10dba8d43b486e1b29fc4385db7
Autor:
Garcia Maíra M., Oliveira Tiago R., Chaim Khallil T., Otaduy Maria C. G., Bruns Christian, Svejda Jan T., Bernarding Johannes, Erni Daniel, Zylka Waldemar
Publikováno v:
Current Directions in Biomedical Engineering, Vol 9, Iss 1, Pp 319-322 (2023)
At ultra-high field MRI (Bo>7T) it is crucial to predict and control the patient safety. Commonly patient safety is controlled by the power deposited in the tissue (specific absorption rate - SAR). However, temperature distributions do not always cor
Externí odkaz:
https://doaj.org/article/97cb6f7c962a45debaa060c0064ae6ff
Autor:
S. Voigt, E. A. Koemans, I. Rasing, E. S. van Etten, G. M. Terwindt, F. Baas, K. Kaushik, A. C. G. M. van Es, M. A. van Buchem, M. J. P. van Osch, M. A. A. van Walderveen, C. J. M. Klijn, M. M. Verbeek, L. van der Weerd, M. J. H. Wermer
Publikováno v:
Trials, Vol 24, Iss 1, Pp 1-6 (2023)
Abstract Background Cerebral amyloid angiopathy (CAA) is a disease caused by the accumulation of the amyloid-beta protein and is a major cause of intracerebral hemorrhage (ICH) and vascular dementia in the elderly. The presence of the amyloid-beta pr
Externí odkaz:
https://doaj.org/article/aea914d44b86478b88e22d6bbf1175f2
Autor:
Corinne Donnay, Henry Dieckhaus, Charidimos Tsagkas, María Inés Gaitán, Erin S. Beck, Andrew Mullins, Daniel S. Reich, Govind Nair
Publikováno v:
Frontiers in Neuroimaging, Vol 2 (2023)
IntroductionAutomatic whole brain and lesion segmentation at 7T presents challenges, primarily from bias fields, susceptibility artifacts including distortions, and registration errors. Here, we sought to use deep learning algorithms (D/L) to do both
Externí odkaz:
https://doaj.org/article/3b5b15fe013f4545a3f57498e8b49799