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@ARTICLE{Kan:279035,
      author       = {Kan, Chung and Stirnberg, Rüdiger and Montequin, Marcela
                      and Gulban, Omer Faruk and Morgan, A Tyler and Bandettini,
                      Peter A and Huber, Laurentius},
      title        = {{T}1234: {A} distortion-matched structural scan solution to
                      misregistration of high resolution f{MRI} data.},
      journal      = {Magnetic resonance in medicine},
      volume       = {94},
      number       = {2},
      issn         = {1522-2594},
      address      = {New York, NY [u.a.]},
      publisher    = {Wiley-Liss},
      reportid     = {DZNE-2025-00667},
      pages        = {713 - 723},
      year         = {2025},
      abstract     = {Registration of functional and structural data poses a
                      challenge for high-resolution fMRI studies at 7 T. This
                      study aims to develop a rapid acquisition method that
                      provides distortion-matched, artifact-mitigated structural
                      reference data.We introduce an efficient sequence protocol
                      termed T1234, which offers adjustable distortions. This
                      includes data that match distortions of functional data and
                      data that are free of distortions. This approach involves a
                      T1-weighted 2-inversion 3D-EPI sequence with four
                      combinations of read and phase encoding directions optimized
                      for high-resolution fMRI. A forward Bloch model was used for
                      T1 quantification and protocol optimization. Fifteen
                      participants were scanned at 7 T using both structural and
                      functional protocols to evaluate the use of T1234.Results
                      from two protocols are presented. A fast distortion-free
                      protocol reliably produced whole-brain segmentations at 0.8
                      mm isotropic resolution within 3:00-3:40 min. It
                      demonstrates robustness across sessions, participants, and
                      three different 7 T SIEMENS scanners. For a protocol with
                      geometric distortions that matched functional data, T1234
                      facilitates layer-specific fMRI signal analysis with
                      enhanced laminar precision.This structural mapping approach
                      enables precise registration with fMRI data. T1234 has been
                      successfully implemented, validated, and tested, and is now
                      available to users at our center and at over 50 centers
                      worldwide.},
      keywords     = {Humans / Magnetic Resonance Imaging: methods / Brain:
                      diagnostic imaging / Artifacts / Adult / Algorithms / Male /
                      Image Processing, Computer-Assisted: methods / Female /
                      Imaging, Three-Dimensional: methods / Brain Mapping: methods
                      / Reproducibility of Results / Young Adult / Echo-Planar
                      Imaging / 7 T acquisition (Other) / T1 mapping (Other) /
                      distortion (Other) / layer‐fMRI (Other)},
      cin          = {AG Stöcker},
      ddc          = {610},
      cid          = {I:(DE-2719)1013026},
      pnm          = {354 - Disease Prevention and Healthy Aging (POF4-354)},
      pid          = {G:(DE-HGF)POF4-354},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:40079433},
      doi          = {10.1002/mrm.30480},
      url          = {https://pub.dzne.de/record/279035},
}