Research Topics
| Seung Schik YooSummaryAffiliation: Harvard University Country: USA Publications
Research Grants
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Detail Information
Publications
Neural substrates associated with the concurrent performance of dual working memory tasksSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Int J Neurosci 114:613-31. 2004..These data suggest that new neural networks come into play to assist in the greater load placed on the WM with the incongruent stimulation modality, which may also have implications in crossmodal integrative processes...
Functional magnetic resonance imaging-mediated learning of increased activity in auditory areasSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Neuroreport 18:1915-20. 2007....
Increasing cortical activity in auditory areas through neurofeedback functional magnetic resonance imagingSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Neuroreport 17:1273-8. 2006..Results showed that the group of individuals who received the feedback were able to increase the activation volume and blood oxygenation level-dependent signal to a greater degree than the control group...
Functional asymmetry in human primary auditory cortex: identified from longitudinal fMRI studySeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Neurosci Lett 383:1-6. 2005..Although variations existed in activation volume between sessions and subjects, we found predominant and consistent leftward functional asymmetry in PAC during both linguistic and non-linguistic sound stimulations...
Long-term reproducibility analysis of fMRI using hand motor taskSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Int J Neurosci 115:55-77. 2005..The findings suggest that the reproducible fMRI measurement can be obtained for long-term monitoring of brain function...
In vivo visualization of white matter fiber tracts of preterm- and term-infant brains with diffusion tensor magnetic resonance imagingSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital and Harvard Medical School, Boston, Massachusetts, USA
Invest Radiol 40:110-5. 2005....
Brain-computer interface using fMRI: spatial navigation by thoughtsSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
Neuroreport 15:1591-5. 2004..The proposed fMRI-BCI method allowed volunteer subjects to navigate through a simple 2D maze solely through their thought processes...
Modulation of cerebellar activities by acupuncture stimulation: evidence from fMRI studySeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Neuroimage 22:932-40. 2004..Our data suggest that cerebellum serves as important activation loci during the acupuncture stimulation of PC6, and clinical efficacy of PC6 may be mediated by the cerebellar vestibular neuromatrix...
Reproducibility of trial-based functional MRI on motor imagerySeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Int J Neurosci 117:215-27. 2007..The results suggest that a measurement of BOLD signal itself is a more reliable indicator of paradigm-related brain activation during repeated fMRI scans...
Transcranial focused ultrasound to the thalamus alters anesthesia time in ratsSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Neuroreport 22:783-7. 2011..The modulatory effects of FUS on anesthesia suggest potential therapeutic applications for disorders of consciousness such as minimally consciousness states...
Focused ultrasound modulates region-specific brain activitySeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Neuroimage 56:1267-75. 2011..It is anticipated that the use of this technology will have an impact on brain research and may offer novel therapeutic interventions in various neurological conditions and psychiatric disorders...
Neural activities in human somatosensory cortical areas evoked by acupuncture stimulationSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, United States
Complement Ther Med 15:247-54. 2007..To investigate neural representation evoked by acupuncture from human somatosensory cortices, especially from primary (SI) and secondary (SII) somatosensory areas...
Independent component analysis for the examination of dynamic contrast-enhanced breast magnetic resonance imaging data: preliminary studySeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Invest Radiol 37:647-54. 2002..The ICA technique, which uses a novel statistical algorithm to separate mixed signal sources of unknown nature, enables the extraction of spatial and temporal features of dynamic MRI data...
Atlas-based multichannel monitoring of functional MRI signals in real-time: automated approachJong Hwan Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, MA 02115, USA
Hum Brain Mapp 29:157-66. 2008..The proposed method may be applied to various applications such as neurofeedback, brain-computer-interface, and functional mapping for surgical planning where real-time monitoring of region-specific brain activity is needed...
On-demand three-dimensional freeform fabrication of multi-layered hydrogel scaffold with fluidic channelsWonhye Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Biotechnol Bioeng 105:1178-86. 2010..The on-demand capability to print fluidic channel structures and cells in a 3D hydrogel scaffold offers flexibility in generating perfusable 3D artificial tissue composites...
Bio-printing of collagen and VEGF-releasing fibrin gel scaffolds for neural stem cell cultureYeong Bae Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
Exp Neurol 223:645-52. 2010..The presented method can be gainfully used in the development of three-dimensional (3D) artificial tissue assays and neural tissue regeneration applications...
Brain-machine interface via real-time fMRI: preliminary study on thought-controlled robotic armJong Hwan Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, USA
Neurosci Lett 450:1-6. 2009..The movement was broadcasted visually back to the subject as a feedback. We demonstrated that real-time control of the robotic arm only through the subjects' thought processes was possible using the rtfMRI-based BMI trials...
Multi-layered culture of human skin fibroblasts and keratinocytes through three-dimensional freeform fabricationWonhye Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Biomaterials 30:1587-95. 2009....
Independent vector analysis (IVA): multivariate approach for fMRI group studyJong Hwan Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
Neuroimage 40:86-109. 2008..IVA can be used as a potential alternative or an adjunct to current ICA-based fMRI group processing methods...
Focused ultrasound-mediated suppression of chemically-induced acute epileptic EEG activityByoung Kyong Min
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA, USA
BMC Neurosci 12:23. 2011....
Application of independent component analysis for the data mining of simultaneous Eeg-fMRI: preliminary experience on sleep onsetJong Hwan Lee
Department of Radiology Brigham and Women s Hospital, Harvard Medical School, MA, USA
Int J Neurosci 119:1118-36. 2009..These results suggest that the ICA technique may be useful for the preprocessing of simultaneous EEG-fMRI acquisitions, especially when a reference paradigm is unavailable...
Automated classification of fMRI data employing trial-based imagery tasksJong Hwan Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Med Image Anal 13:392-404. 2009..Our proposed study for the automated classification of fMRI data may be utilized in further investigations to monitor/identify human thought processes and their potential link to hardware/computer control...
Neural substrates of tactile imagery: a functional MRI studySeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Neuroreport 14:581-5. 2003..Our results suggest that the primary and secondary somatosensory areas are recruited during tactile imagery, and have partially overlapping neural substrates for the perception of tactile stimulation...
A deficit in the ability to form new human memories without sleepSeung Schik Yoo
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Nat Neurosci 10:385-92. 2007..It therefore appears that sleep before learning is critical in preparing the human brain for next-day memory formation-a worrying finding considering society's increasing erosion of sleep time...
Functional MRI for neurofeedback: feasibility study on a hand motor taskSeung-Schik Yoo
Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St, Boston, MA 02115, USA
Neuroreport 13:1377-81. 2002..This method may offer a potential utility for fMRI-based neurofeedback...
Functional MRI of auditory verbal working memory: long-term reproducibility analysisXingchang Wei
Center for Neurological Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
Neuroimage 21:1000-8. 2004..The quantitative estimation of the proportions of within-subject and between-subject variabilities in the overall variability may be helpful for the design of future studies...
Noninvasive transcranial stimulation of rat abducens nerve by focused ultrasoundHyungmin Kim
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
Ultrasound Med Biol 38:1568-75. 2012..As a novel functional neuro-modulatory modality, the pulsed application of FUS has potential for diagnostic and therapeutic applications in diseases of the peripheral nervous system...
Transcranial focused ultrasound to the thalamus is associated with reduced extracellular GABA levels in ratsPo Song Yang
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Neuropsychobiology 65:153-60. 2012....
Engineered 3D tissue models for cell-laden microfluidic channelsYoung S Song
Bio Acoustic MEMS in Medicine Lab, HST Center for Bioengineering, Brigham and Women s Hospital, Harvard Medical School, 65 Landsdowne Street 252, Cambridge, MA 02139, USA
Anal Bioanal Chem 395:185-93. 2009..This is important since our results reveal that there is a close correlation between nutrient profiles and cell viability across the hydrogel...
Auditory processing abnormalities in schizotypal personality disorder: an fMRI experiment using tones of deviant pitch and durationChandlee C Dickey
Serious Mental Illness Program, VA Boston Healthcare System, Psychiatry 116A RC, 940 Belmont St, Brockton, MA 02401, United States
Schizophr Res 103:26-39. 2008..The focus of this study was to determine whether or not there are also processing abnormalities of pure tones differing in pitch and duration in SPD...
Evaluating requirements for spatial resolution of fMRI for neurosurgical planningSeung-Schik Yoo
Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Hum Brain Mapp 21:34-43. 2004....
Head motion analysis during cognitive fMRI examination: application in patients with schizophreniaSeung-Schik Yoo
Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
Neurosci Res 53:84-90. 2005..CONCLUSION: These results suggest that cognitive fMRI examination in patients with schizophrenia can be successfully conducted without the deteriorative effects of head motion...
Three-dimensional bioprinting of rat embryonic neural cellsWonhye Lee
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
Neuroreport 20:798-803. 2009..The on-demand capability to print neural cells in a multilayered hydrogel scaffold offers flexibility in generating artificial 3D neural tissue composites...
Rater-dependent accuracy in predicting the spatial location of functional centers on anatomical MR imagesHillary K Rolls
Harvard Medical School, Boston, MA, USA
Clin Neurol Neurosurg 109:225-35. 2007..This study examined the abilities of medical personnel of various backgrounds to predict the location of functional cortex using anatomical information provided by MR imaging...
Neuroimaging-based approaches in the brain-computer interfaceByoung Kyong Min
Department of Radiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Trends Biotechnol 28:552-60. 2010..Such bidirectional interfaces can relay information directly from one brain to another using a computer as a medium, ultimately leading to the concept of a brain-to-brain interface (BBI)...
Selection of voxel size and slice orientation for fMRI in the presence of susceptibility field gradients: application to imaging of the amygdalaNan-kuei Chen
Center for Neurological Imaging, Brigham and Womens Hospital, Harvard Medical School, Boston, MA, USA
Neuroimage 19:817-25. 2003..The predicted phenomenon is confirmed with a hybrid simulation, in which the functional activation was mathematically added to the experimentally acquired rest-period echo-planar imaging data...
Working memory processing of facial images in schizophrenia: fMRI investigationSeung-Schik Yoo
Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02446, USA
Int J Neurosci 115:351-66. 2005..A decreased level of activity in the left fusiform gyrus, along with performance reduction, implicates abnormal processing of facial information in schizophrenia...
The functional anatomy of sleep-dependent visual skill learningMatthew P Walker
Sleep and Neuroimaging Laboratory, Center for Sleep and Cognition, Department of Psychiatry, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA
Cereb Cortex 15:1666-75. 2005..Together, these data provide evidence of overnight bi-directional changes in functional anatomy, differences that may form the neural basis of sleep-dependent learning expressed on this task...
A functional magnetic resonance imaging study of paced finger tapping in childrenMichael J Rivkin
Department of Neurology, Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
Pediatr Neurol 28:89-95. 2003..Posterior superior temporal gyrus may be important for encoding auditory information, and presupplementary motor area and midline cerebellum play an important role in self-paced finger tapping...
New subtraction algorithms for evaluation of lesions on dynamic contrast-enhanced MR mammographyByung Gil Choi
Department of Radiology, College of Medicine, The Catholic University of Korea, Seoul
Eur Radiol 12:3018-22. 2002..Our findings suggest that the new subtraction algorithm is adequate for screening malignant breast lesions and can potentially replace the time-intensity profile analysis on user-selected regions of interest...
Brain activation related to affective dimension during thermal stimulation in humans: a functional magnetic resonance imaging studyEun Jung Sung
Office of Policy, Korea Research Institute of Standards and Science, Daejeon, Republic of Korea
Int J Neurosci 117:1011-27. 2007..These results suggest that an appropriate thermal stimulation can produce a positive emotion and activate emotion/affect related regions of the brain...
Projection-based estimation and nonuniformity correction of sensitivity profiles in phased-array surface coilsSungdae Yun
Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
J Magn Reson Imaging 25:588-97. 2007..To develop a novel approach for calculating the accurate sensitivity profiles of phased-array coils, resulting in correction of nonuniform intensity in parallel MRI...
fMRI investigation on cue-induced smoking cravingHyun-Kook Lim
Department of Psychiatry, Chuncheon National Hospital, Korea
J Psychiatr Res 39:333-5. 2005
Tourniquet application to facilitate axillary venous access in percutaneous central venous catheterizationHo Jong Chun
Department of Radiology, Kangnam St. Mary's Hospital, College of Medicine, Catholic University of Korea, 505 Banpo-dong, Seocho-Ku, Seoul 137-040, Korea
Radiology 226:918-20. 2003..Tourniquet application is a simple and effective way of facilitating axillary venous puncture...
Research Grants
- Neurofeedback functional MRISeung Schik Yoo; Fiscal Year: 2006....
