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000285473 041__ $$aEnglish
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000285473 1001_ $$0P:(DE-2719)9001410$$aSerger, Matthias$$b0$$eFirst author
000285473 245__ $$aMotion- and Field-Robust Mesoscopic Whole-Brain T 2 * $$ {T}_2^{\ast } $$ -Weighted Imaging at 7 and 11.7 T Using Servo Navigation.
000285473 260__ $$aNew York, NY [u.a.]$$bWiley-Liss$$c2026
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000285473 520__ $$aTo mitigate artifacts related to motion and field changes in high-resolution T 2 * $$ {T}_2^{\ast } $$ -weighted human brain imaging using servo navigation at ultra-high fields up to 11.7 T.MR-based servo navigators were integrated into a segmented 3D-EPI sequence to allow for prospective correction of involuntary head motion and first-order shim changes. Seven subjects were scanned with whole-brain protocols at 0.3 mm isotropic resolution with and without correction at 7 and 11.7 T. Validation was performed on detailed brain vasculature in scans with involuntary motion.Blurring of small veins was reduced by servo navigation for all subjects and across field strengths. In case of involuntary large motion, the method preserved image quality, while uncorrected motion led to severe artifacts. In case of microscopic motion, reduced blurring and shading in the frontal lobe demonstrate the additional benefit of prospective field drift correction.Servo-navigated segmented 3D-EPI improves 0.3 mm isotropic whole-brain T 2 * $$ {T}_2^{\ast } $$ -weighted imaging under realistic motion and field changes within 5.5 to 11 min scan time at 11.7 and 7 T.
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000285473 650_7 $$2Other$$a11.7 T
000285473 650_7 $$2Other$$a3D‐EPI
000285473 650_7 $$2Other$$abrain vasculature
000285473 650_7 $$2Other$$amesoscopic imaging
000285473 650_7 $$2Other$$aprospective motion correction
000285473 650_7 $$2Other$$aservo navigation
000285473 650_2 $$2MeSH$$aHumans
000285473 650_2 $$2MeSH$$aBrain: diagnostic imaging
000285473 650_2 $$2MeSH$$aArtifacts
000285473 650_2 $$2MeSH$$aImaging, Three-Dimensional: methods
000285473 650_2 $$2MeSH$$aMotion
000285473 650_2 $$2MeSH$$aMale
000285473 650_2 $$2MeSH$$aAdult
000285473 650_2 $$2MeSH$$aFemale
000285473 650_2 $$2MeSH$$aEcho-Planar Imaging: methods
000285473 650_2 $$2MeSH$$aAlgorithms
000285473 650_2 $$2MeSH$$aImage Processing, Computer-Assisted: methods
000285473 650_2 $$2MeSH$$aMagnetic Resonance Imaging: methods
000285473 650_2 $$2MeSH$$aReproducibility of Results
000285473 7001_ $$0P:(DE-2719)2810697$$aStirnberg, Rüdiger$$b1
000285473 7001_ $$0P:(DE-2719)2812222$$aEhses, Philipp$$b2
000285473 7001_ $$00000-0002-5703-7408$$aRiedel, Malte$$b3
000285473 7001_ $$00000-0003-1811-4295$$aUlrich, Thomas$$b4
000285473 7001_ $$00000-0002-4767-8738$$aLe Ster, Caroline$$b5
000285473 7001_ $$0P:(DE-2719)9002043$$aMauconduit, Franck$$b6
000285473 7001_ $$00000-0002-4997-2738$$aGras, Vincent$$b7
000285473 7001_ $$00000-0002-2667-9387$$aAmadon, Alexis$$b8
000285473 7001_ $$00000-0001-9203-0247$$aVignaud, Alexandre$$b9
000285473 7001_ $$00000-0002-4170-777X$$aChu, Son$$b10
000285473 7001_ $$00000-0002-3146-6079$$aGunamony, Shajan$$b11
000285473 7001_ $$00000-0001-7530-1228$$aZaitsev, Maxim$$b12
000285473 7001_ $$00000-0003-2144-2484$$aBoulant, Nicolas$$b13
000285473 7001_ $$00000-0003-0009-8362$$aPruessmann, Klaas P$$b14
000285473 7001_ $$0P:(DE-2719)2810538$$aStoecker, Tony$$b15$$eLast author
000285473 773__ $$0PERI:(DE-600)1493786-4$$a10.1002/mrm.70251$$gVol. 95, no. 5, p. 2658 - 2670$$n5$$p2658 - 2670$$tMagnetic resonance in medicine$$v95$$x1522-2594$$y2026
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