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Improved shimming for fMRI specifically optimizing the local BOLD sensitivity
In functional MRI, magnetic field inhomogeneities due to air-tissue susceptibility differences may lead to severe signal dropouts and geometric distortions in echo-planar images. Therefore, the inhomogeneities in the field are routinely minimized by shimming prior to imaging. However in fMRI, the Bl...
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| Autori principali: | , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Academic Press
2010
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2775904/ https://ncbi.nlm.nih.gov/pubmed/19682587 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.neuroimage.2009.08.010 |
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