| Publication |
Sentence |
Publish Date |
Extraction Date |
Species |
| Henri J M M Mutsaerts, Edo Richard, Dennis F R Heijtel, Matthias J P van Osch, Charles B L M Majoie, Aart J Nedervee. Gray matter contamination in arterial spin labeling white matter perfusion measurements in patients with dementia. NeuroImage. Clinical. vol 4. 2015-05-19. PMID:24371796. |
white matter (wm) perfusion measurements with arterial spin labeling can be severely contaminated by gray matter (gm) perfusion signal, especially in the elderly. |
2015-05-19 |
2023-08-12 |
Not clear |
| Xiufeng Li, Subhendra N Sarkar, David E Purdy, Richard W Brigg. Quantifying cerebellum grey matter and white matter perfusion using pulsed arterial spin labeling. BioMed research international. vol 2014. 2015-02-12. PMID:24949416. |
to facilitate quantification of cerebellum cerebral blood flow (cbf), studies were performed to systematically optimize arterial spin labeling (asl) parameters for measuring cerebellum perfusion, segment cerebellum to obtain separate cbf values for grey matter (gm) and white matter (wm), and compare fair asst to picore. |
2015-02-12 |
2023-08-13 |
human |
| Didac Vidal-Piñeiro, Cinta Valls-Pedret, Sara Fernández-Cabello, Eider M Arenaza-Urquijo, Roser Sala-Llonch, Elisabeth Solana, Núria Bargalló, Carme Junqué, Emilio Ros, David Bartrés-Fa. Decreased Default Mode Network connectivity correlates with age-associated structural and cognitive changes. Frontiers in aging neuroscience. vol 6. 2014-10-13. PMID:25309433. |
in a sample of 116 healthy elders we aimed to study the relationship between antero-posterior dmn connectivity and measures of wm integrity, gm integrity and cerebral blood flow (cbf), assessed with an arterial spin labeling sequence. |
2014-10-13 |
2023-08-13 |
human |
| Theodore D Satterthwaite, Mark A Elliott, Kosha Ruparel, James Loughead, Karthik Prabhakaran, Monica E Calkins, Ryan Hopson, Chad Jackson, Jack Keefe, Marisa Riley, Frank D Mentch, Patrick Sleiman, Ragini Verma, Christos Davatzikos, Hakon Hakonarson, Ruben C Gur, Raquel E Gu. Neuroimaging of the Philadelphia neurodevelopmental cohort. NeuroImage. vol 86. 2014-09-03. PMID:23921101. |
we focus on neuroimaging measures obtained, including t1-weighted structural neuroimaging, diffusion tensor imaging, perfusion neuroimaging using arterial spin labeling, functional imaging tasks of working memory and emotion identification, and resting state imaging of functional connectivity. |
2014-09-03 |
2023-08-12 |
Not clear |
| W El-Hage, M L Phillips, J Radua, B Gohier, F O Zelaya, D A Collier, S A Surguladz. Genetic modulation of neural response during working memory in healthy individuals: interaction of glucocorticoid receptor and dopaminergic genes. Molecular psychiatry. vol 18. issue 2. 2013-08-12. PMID:22083731. |
we have also examined skin conductance response (scr) during the wm task and resting-state cerebral blood flow with continuous arterial spin labelling. |
2013-08-12 |
2023-08-12 |
Not clear |
| Sean R McWhinney, Erin L Mazerolle, Jodie R Gawryluk, Steven D Beyea, Ryan C N D'Arc. Comparing gray and white matter fMRI activation using asymmetric spin echo spiral. Journal of neuroscience methods. vol 209. issue 2. 2013-01-28. PMID:22743803. |
enhanced sensitivity to wm fmri signals has been associated with the asymmetric spin echo (ase) spiral sequence. |
2013-01-28 |
2023-08-12 |
Not clear |
| Samuel Wharton, Richard Bowtel. Fiber orientation-dependent white matter contrast in gradient echo MRI. Proceedings of the National Academy of Sciences of the United States of America. vol 109. issue 45. 2013-01-17. PMID:23091011. |
in this study, we show by comparison of the results of simulations and experiments carried out on human subjects at 7t, that the magnitude and phase of signals acquired from wm in vivo can be accurately characterized by (i) modeling the myelin sheath as a hollow cylinder composed of material having an anisotropic magnetic susceptibility that is described by a tensor with a radially oriented principal axis, and (ii) adopting a two-pool model in which the water in the sheath has a reduced t(2) relaxation time and spin density relative to its surroundings, and also undergoes exchange. |
2013-01-17 |
2023-08-12 |
human |
| Helena Cousijn, Mark Rijpkema, Shaozheng Qin, Guido A van Wingen, Guillén Fernánde. Phasic deactivation of the medial temporal lobe enables working memory processing under stress. NeuroImage. vol 59. issue 2. 2012-04-17. PMID:21983180. |
we embedded an n-back working memory task in a moderately stressful context, as indicated by our physiological stress measures, and probed phasic and tonic human brain activity using two fmri-techniques: conventional blood oxygen level dependent fmri and arterial spin labeling (asl). |
2012-04-17 |
2023-08-12 |
human |
| Matthias J P van Osch, Wouter M Teeuwisse, Marianne A A van Walderveen, Jeroen Hendrikse, Dennis A Kies, Mark A van Buche. Can arterial spin labeling detect white matter perfusion signal? Magnetic resonance in medicine. vol 62. issue 1. 2009-09-16. PMID:19365865. |
since the invention of arterial spin labeling (asl) it has been acknowledged that asl does not allow reliable detection of a white matter (wm) perfusion signal. |
2009-09-16 |
2023-08-12 |
human |
| P van Gelderen, J A de Zwart, J H Duy. Pittfalls of MRI measurement of white matter perfusion based on arterial spin labeling. Magnetic resonance in medicine. vol 59. issue 4. 2008-07-08. PMID:18383289. |
although arterial spin labeling (asl) mri has been successfully applied to measure gray matter (gm) perfusion in vivo, accurate detection of white matter (wm) perfusion has proven difficult. |
2008-07-08 |
2023-08-12 |
human |
| Persefoni N Margariti, Konstantinos Blekas, Frosso G Katzioti, Anastasia K Zikou, Meropi Tzoufi, Maria I Argyropoulo. Magnetization transfer ratio and volumetric analysis of the brain in macrocephalic patients with neurofibromatosis type 1. European radiology. vol 17. issue 2. 2007-07-31. PMID:16733674. |
volume measurements of gm and wm were performed by applying segmentation techniques on t2-weighted turbo spin echo images (t2wi). |
2007-07-31 |
2023-08-12 |
Not clear |
| R J Salvi, A H Lockwood, R D Frisina, M L Coad, D S Wack, D R Frisin. PET imaging of the normal human auditory system: responses to speech in quiet and in background noise. Hearing research. vol 170. issue 1-2. 2003-02-10. PMID:12208544. |
these results demonstrate that repeating the last word in a sentence activates mainly auditory and motor areas of the brain when speech is presented, whereas more difficult tasks, such as spin or multi-talker noise, activate linguistic, attentional, cognitive, working memory, and motor planning areas. |
2003-02-10 |
2023-08-12 |
human |
| F Q Ye, J A Frank, D R Weinberger, A C McLaughli. Noise reduction in 3D perfusion imaging by attenuating the static signal in arterial spin tagging (ASSIST). Magnetic resonance in medicine. vol 44. issue 1. 2000-10-05. PMID:10893526. |
background suppressed arterial spin tagging (assist) approaches were used to obtain high-resolution isotropic true 3d cerebral blood flow images, and to obtain true 3d activation images during cognitive (working memory) tasks. |
2000-10-05 |
2023-08-12 |
human |
| P Narayana, D Fenyes, N Zacharopoulo. In vivo relaxation times of gray matter and white matter in spinal cord. Magnetic resonance imaging. vol 17. issue 4. 1999-06-24. PMID:10231189. |
the estimated relative spin densities are: rho(gm) = (60+/-2.3)% and rho(wm) = (40+/-2.1)%. |
1999-06-24 |
2023-08-12 |
rat |
| P Narayana, D Fenyes, N Zacharopoulo. In vivo relaxation times of gray matter and white matter in spinal cord. Magnetic resonance imaging. vol 17. issue 4. 1999-06-24. PMID:10231189. |
these in vivo measurements indicate that the observed contrast between gm and wm in spinal cord mr images mainly arises from the differences in the spin density. |
1999-06-24 |
2023-08-12 |
rat |
| P Narayana, D Fenyes, N Zacharopoulo. In vivo relaxation times of gray matter and white matter in spinal cord. Magnetic resonance imaging. vol 17. issue 4. 1999-06-24. PMID:10231189. |
in vivo relaxation times and relative spin densities of gray matter (gm) and white matter (wm) of rat spinal cord were measured. |
1999-06-24 |
2023-08-12 |
rat |
| P Narayana, D Fenyes, N Zacharopoulo. In vivo relaxation times of gray matter and white matter in spinal cord. Magnetic resonance imaging. vol 17. issue 4. 1999-06-24. PMID:10231189. |
however, the differences in t2 values and spin densities of gm and wm are statistically significant. |
1999-06-24 |
2023-08-12 |
rat |