Research Topics
| Fa Hsuan LinSummaryAffiliation: Harvard University Country: USA Publications
Research Grants
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Detail Information
Publications
Assessing and improving the spatial accuracy in MEG source localization by depth-weighted minimum-norm estimatesFa Hsuan Lin
MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Building 149 13th St Charlestown, MA 02129, USA
Neuroimage 31:160-71. 2006..The application of depth weighting to auditory and somatosensory experimental data illustrated the beneficial effect of depth weighting on the accuracy of spatiotemporal mapping of neuronal sources...
Functional and effective connectivity of visuomotor control systems demonstrated using generalized partial least squares and structural equation modelingFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Hum Brain Mapp 30:2232-51. 2009....- Distributed current estimates using cortical orientation constraintsFa Hsuan Lin
MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Charlestown, Massachusetts 02129, USA
Hum Brain Mapp 27:1-13. 2006..We also applied the method to in vivo auditory and somatosensory data... - Functional MRI using regularized parallel imaging acquisitionFa Hsuan Lin
Massachusetts General Hospital, Department of Radiology, MGH HMS MIT, Athinoula A Martinos Center for Biomedical Imaging, Charlestown, Massachusetts 02129, USA
Magn Reson Med 54:343-53. 2005..Human motor and visual fMRI data acquired at different field strengths and array coils also demonstrate that regularized SENSE improves the detection of functionally active brain regions... - Sensitivity-encoded (SENSE) proton echo-planar spectroscopic imaging (PEPSI) in the human brainFa Hsuan Lin
MGH HMS MIT Athinoula A Martinos Center for Biomedical Imaging, Charlestown 02129, and Department of Radiology, Massachusetts General Hospital, Boston, USA
Magn Reson Med 57:249-57. 2007..Thus, this technology is a promising means of reducing the scan times of 3D acquisitions and time-resolved 2D measurements... - Linear constraint minimum variance beamformer functional magnetic resonance inverse imagingFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Neuroimage 43:297-311. 2008..Robust results from both single subject and group analyses demonstrate the excellent sensitivity and specificity of volumetric InI in detecting the spatial and temporal structure of task-related brain activity... - Parallel MRI reconstruction using variance partitioning regularizationFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Magn Reson Med 58:735-44. 2007..Our anatomical and functional MRI results show that the VPR method can be applied to both static and dynamic MRI experiments to suppress noise amplification in parallel MRI reconstructions for improved image quality... - Event-related single-shot volumetric functional magnetic resonance inverse imaging of visual processingFa Hsuan Lin
MGH HST Athinoula A Martinos Center for Biomedical Imaging, Charlestown, MA 02129, USA
Neuroimage 42:230-47. 2008..Robust results from both single subject and group analyses demonstrate the sensitivity and feasibility of using volumetric InI in high temporal resolution investigations of human brain function... - Dynamic magnetic resonance inverse imaging of human brain functionFa Hsuan Lin
Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA
Magn Reson Med 56:787-802. 2006..InI is expected to improve the time resolution of MRI and provide increased flexibility in the trade-off between spatial and temporal resolution for studies of dynamic activation patterns in the human brain... - Fast mapping of the T2 relaxation time of cerebral metabolites using proton echo-planar spectroscopic imaging (PEPSI)Shang Yueh Tsai
Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan
Magn Reson Med 57:859-65. 2007..Consistent spatial distributions of T2 were found in six healthy subjects, and disagreement among subjects was less than 10%. In summary, the PEPSI technique is a robust method to obtain fast mapping of metabolite T2... 
Accelerated proton echo planar spectroscopic imaging (PEPSI) using GRAPPA with a 32-channel phased-array coilShang Yueh Tsai
Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan
Magn Reson Med 59:989-98. 2008..At 4-fold acceleration the mean CRLB for NAA, tCr, and Cho was less than 11%. In conclusion, the use of a 32-channel coil array and GRAPPA reconstruction can significantly reduce the measurement time for mapping brain metabolites...- Functional magnetic resonance inverse imaging of human visuomotor systems using eigenspace linearly constrained minimum amplitude (eLCMA) beamformerShr Tai Liou
Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan
Neuroimage 55:87-100. 2011.... - Cancellation of EEG and MEG signals generated by extended and distributed sourcesSeppo P Ahlfors
Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital Harvard Medical School, Charlestown, 02129, USA
Hum Brain Mapp 31:140-9. 2010..Furthermore, the selective cancellation may be used to explain some observed differences between EEG and MEG in terms of focal vs. widespread cortical activity... - Onset timing of cross-sensory activations and multisensory interactions in auditory and visual sensory corticesTommi Raij
MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Bldg 149, 13 St, Charlestown, MA, USA
Eur J Neurosci 31:1772-82. 2010..Audiovisual interactions started at 85 ms in the left auditory, 80 ms in the right auditory and 74 ms in the visual cortex, i.e., 3-21 ms after inputs from the two modalities converged... - Multi-projection magnetic resonance inverse imaging of the human visuomotor systemKevin Wen Kai Tsai
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Neuroimage 61:304-13. 2012..mInI can be applied to BOLD-contrast fMRI experiments to characterize the dynamics of the activated brain areas with a high spatiotemporal resolution... - Multivariate analysis of neuronal interactions in the generalized partial least squares framework: simulations and empirical studiesFa Hsuan Lin
Harvard MIT Division of Health Sciences and Technology, Charlestown, MA 02446, USA
Neuroimage 20:625-42. 2003..Overall, studies of synthetic and empirical data suggest that PLS analysis, using PCA decomposition, provides a stable and powerful tool for exploration of fMRI/behavior data... - Primary and multisensory cortical activity is correlated with audiovisual perceptsMargo McKenna Benoit
Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA 02114, USA
Hum Brain Mapp 31:526-38. 2010.... - Attention-driven auditory cortex short-term plasticity helps segregate relevant sounds from noiseJyrki Ahveninen
Harvard Medical School Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
Proc Natl Acad Sci U S A 108:4182-7. 2011..In conclusion, a simple gain model alone cannot explain auditory selective attention. In nonprimary auditory cortices, attention-driven short-term plasticity retunes neurons to segregate relevant sounds from noise... - Dissociable influences of auditory object vs. spatial attention on visual system oscillatory activityJyrki Ahveninen
Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, United States of America
PLoS ONE 7:e38511. 2012..The alpha modulations could be interpreted to reflect enhanced crossmodal inhibition of feature-specific visual pathways and adjacent audiovisual association areas during "what" vs. "where" auditory attention... - Human posterior auditory cortex gates novel sounds to consciousnessIiro P Jaaskelainen
Massachusetts General Hospital, Massachusetts Institute of Technology, Harvard Medical School, Athinoula A Martinos Center for Biomedical Imaging, Charlestown, MA 02129, USA
Proc Natl Acad Sci U S A 101:6809-14. 2004..Our converging findings suggest that transient adaptation of feature-specific neurons within human posterior auditory cortex filters superfluous sounds from entering one's awareness... - Dynamic Granger-Geweke causality modeling with application to interictal spike propagationFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan
Hum Brain Mapp 30:1877-86. 2009..Our novel computational tool can be used to help elucidate complex directional interactions in the human brain... - K-space reconstruction of magnetic resonance inverse imaging (K-InI) of human visuomotor systemsFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Neuroimage 49:3086-98. 2010..This robust and sensitive K-InI reconstruction can be applied to dynamic MRI acquisitions using a large-n coil array to improve the spatiotemporal resolution... - Ultrafast inverse imaging techniques for fMRIFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Neuroimage 62:699-705. 2012..InI may become a helpful tool for clinicians and neuroscientists for revealing the complex dynamics of brain functions during task-related and resting states... - Spatially sparse source cluster modeling by compressive neuromagnetic tomographyWei Tang Chang
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Neuroimage 53:146-60. 2010..Overall, the CENT method is demonstrated to be a promising tool for adaptive modeling of distributed neuronal currents associated with cognitive tasks... - Spectral spatiotemporal imaging of cortical oscillations and interactions in the human brainFa-Hsuan Lin
MGH-MIT-MHS Athinoula A. Martinos Center for Biomedical Imaging, 13th Street, Charlestown, MA 02129, USA
Neuroimage 23:582-95. 2004..Spectral spatiotemporal imaging of cortical oscillations and interactions in the human brain can provide further understanding of large-scale neural activity and communication between different brain regions... - Reconstruction of MRI data encoded by multiple nonbijective curvilinear magnetic fieldsFa Hsuan Lin
Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
Magn Reson Med 68:1145-56. 2012..Reconstructions using simulations and empirical experimental data are compared with those using conventional linear gradients to demonstrate that the general combination of SEMs can improve image reconstructions... - Physiological noise reduction using volumetric functional magnetic resonance inverse imagingFa Hsuan Lin
Institute of Biomedical Engineering and Environmental Sciences, National Taiwan University, Taipei, Taiwan
Hum Brain Mapp 33:2815-30. 2012.... - Parallel input makes the brain run fasterTommi Raij
MGH MIT HMS Athinoula A Martinos Center for Biomedical Imaging, Charlestown, MA 02129, USA
Neuroimage 40:1792-7. 2008..This arrangement could also allow very early top-down modulation of the bottom-up stream of sensory information... - Task-modulated "what" and "where" pathways in human auditory cortexJyrki Ahveninen
Harvard Medical School Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, CNY 149 13th Street, Charlestown, MA 02129, USA
Proc Natl Acad Sci U S A 103:14608-13. 2006..This finding suggests that selective-attention effects are feature-specific in the human nonprimary auditory cortex and that they arise from enhanced tuning of receptive fields of task-relevant neuronal populations... - MRI-constrained spectral imaging of benzodiazepine modulation of spontaneous neuromagnetic activity in human cortexJyrki Ahveninen
Massachusetts General Hospital Massachusetts Institute of Technology Harvard Medical School Athinoula A Martinos Center for Biomedical Imaging, CNY149 13th Street, Charlestown, MA 02129, USA
Neuroimage 35:577-82. 2007..Anatomically constrained spectral imaging displays the cortical loci of drug effects on oscillatory brain activity, providing a novel tool for human pharmacological neuroimaging... - PROPELLER EPI: an MRI technique suitable for diffusion tensor imaging at high field strength with reduced geometric distortionsFu-Nien Wang
Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, R.O.C
Magn Reson Med 54:1232-40. 2005..A higher signal-to-noise ratio (SNR) compared to single-shot EPI at an identical total scan time was achieved, which is advantageous for routine DTI applications in clinical practice... - Lexical influences on speech perception: a Granger causality analysis of MEG and EEG source estimatesDavid W Gow
Neuropsychology Laboratory, Massachusetts General Hospital, 175 Cambridge St, CPZ S340, Boston, MA 02114, USA
Neuroimage 43:614-23. 2008.... - Stimulus-induced Rotary Saturation (SIRS): a potential method for the detection of neuronal currents with MRIThomas Witzel
Speech and Hearing Bioscience and Technology Program, Harvard MIT Division of Health Sciences and Technology, USA
Neuroimage 42:1357-65. 2008..Magn. Reson. Med. 50, 40-49], but is potentially less encumbered by temporal and spatial cancellation effects... - PROPELLER-EPI with parallel imaging using a circularly symmetric phased-array RF coil at 3.0 T: application to high-resolution diffusion tensor imagingTzu-Chao Chuang
Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, R.O.C
Magn Reson Med 56:1352-8. 2006..It is concluded that parallel PROPELLER-EPI is an effective technique that can substantially reduce susceptibility-induced geometric distortions at high field strength... - Degenerate mode birdcage volume coil for sensitivity-encoded imagingFa-Hsuan Lin
Havard-MIT Division of Health Sciences and Technology, Boston, Massachusetts 02129, USA
Magn Reson Med 50:1107-11. 2003..5 T. The maximal 2-fold acceleration in this dual-mode degenerate birdcage coil offers the potential to extend SENSE-type image reconstruction methods to applications demanding uniform whole brain coverage... - Parallel imaging reconstruction using automatic regularizationFa Hsuan Lin
Division of Health Sciences and Technology, Harvard Medical School MIT, Cambridge, Massachusetts, USA
Magn Reson Med 51:559-67. 2004..47 to 0.80 in twofold sensitivity encoding (SENSE) acceleration. In vivo anatomical images from an eight-channel system show an averaged g-factor reduction of 1.22 to 0.84 in 2.67-fold acceleration... - Accelerated short-TE 3D proton echo-planar spectroscopic imaging using 2D-SENSE with a 32-channel array coilRicardo Otazo
Electrical and Computer Engineering Department, University of New Mexico, Albuquerque, New Mexico 87131, USA
Magn Reson Med 58:1107-16. 2007..The short acquisition time makes the method suitable for volumetric metabolite mapping in clinical studies... - A wavelet-based approximation of surface coil sensitivity profiles for correction of image intensity inhomogeneity and parallel imaging reconstructionFa Hsuan Lin
Harvard Massachusetts Institute of Technology Division of Health Sciences and Technology, Cambridge, Massachusetts, USA
Hum Brain Mapp 19:96-111. 2003..The results, using bi-orthogonal Daubechies 97 wavelets and other members in this family, are evaluated for T1-weighted and T2-weighted brain imaging...
Research Grants
- Dynamic Magnetic Resonance Inverse Imaging of the Human BrainFa Hsuan Lin; Fiscal Year: 2007....