ArticleMagnetic resonance in medicine2020
A within-coil optical prospective motion-correction system for brain imaging at 7T.
Article in Magnetic resonance in medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 21 citations in OpenAlex.
- Head Motion Correction Based on Pilot Tone Signals in MRI: A Referenceless Method.IEEE transactions on medical imaging · 2026Article
- Motion compensated magnetic resonance imaging of an active sun beetle using an in situ treadmill.Scientific reports · 2025Article
- Precise MRI-Histology Coregistration of Paraffin-Embedded Tissue with Blockface Imaging.bioRxiv : the preprint server for biology · 2025Article
- Precise MRI-histology coregistration of paraffin-embedded tissue with blockface imaging.Imaging neuroscience (Cambridge, Mass.) · 2025Article
- An Update on MR Spectroscopy in Cancer Management: Advances in Instrumentation, Acquisition, and Analysis.Radiology. Imaging cancer · 2024Review
- Facilitating diffusion tensor imaging of the brain during continuous gross head motion with first and second order motion compensating diffusion gradients.Magnetic resonance in medicine · 2024Article
- Rigid motion-resolvedMagnetic resonance in medicine · 2022Article
- Iron and Alzheimer's Disease: From Pathology to Imaging.Frontiers in human neuroscience · 2022Review
- Retrospective Camera-Based Respiratory Gating in Clinical Whole-Heart 4D Flow MRI.Journal of magnetic resonance imaging : JMRI · 2021Article
- 7T Epilepsy Task Force Consensus Recommendations on the Use of 7T MRI in Clinical Practice.Neurology · 2021Review
- High-resolution Structural Magnetic Resonance Imaging and Quantitative Susceptibility Mapping.Magnetic resonance imaging clinics of North America · 2021Review
Corrections and comments
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Authors and funding
15 authors at 2 institutions in 2 countries.
Funding
Abstract
purposeMotion artifact limits the clinical translation of high-field MR. We present an optical prospective motion correction system for 7 Tesla MRI using a custom-built, within-coil camera to track an optical marker mounted on a subject.
methodsThe camera was constructed to fit between the transmit-receive coils with direct line of sight to a forehead-mounted marker, improving upon prior mouthpiece work at 7 Tesla MRI. We validated the system by acquiring a 3D-IR-FSPGR on a phantom with deliberate motion applied. The same 3D-IR-FSPGR and a 2D gradient echo were then acquired on 7 volunteers, with/without deliberate motion and with/without motion correction. Three neuroradiologists blindly assessed image quality. In 1 subject, an ultrahigh-resolution 2D gradient echo with 4 averages was acquired with motion correction. Four single-average acquisitions were then acquired serially, with the subject allowed to move between acquisitions. A fifth single-average 2D gradient echo was acquired following subject removal and reentry.
resultsIn both the phantom and human subjects, deliberate and involuntary motion were well corrected. Despite marked levels of motion, high-quality images were produced without spurious artifacts. The quantitative ratings confirmed significant improvements in image quality in the absence and presence of deliberate motion across both acquisitions (P < .001). The system enabled ultrahigh-resolution visualization of the hippocampus during a long scan and robust alignment of serially acquired scans with interspersed movement.
conclusionWe demonstrate the use of a within-coil camera to perform optical prospective motion correction and ultrahigh-resolution imaging at 7 Tesla MRI. The setup does not require a mouthpiece, which could improve accessibility of motion correction during 7 Tesla MRI exams.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.