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Neuroinformatics, the ICONIC Grid, and Oregon’s Science Industry

This presentation discusses the integration of computational science in traditional scientific disciplines, with a focus on neuroinformatics and the ICONIC Grid. It explores the use of high-performance computing and grid computing for Oregon's science industry, with a emphasis on services delivery models and HPC resource centers.

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Neuroinformatics, the ICONIC Grid, and Oregon’s Science Industry

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  1. Neuroinformatics, the ICONIC Grid, and Oregon’s Science Industry Allen D. Malony University of Oregon Professor Department of Computerand Information Science Director NeuroInformatics Center Computational Science Institute May 10, 2004 Oregon’s 2004 Bioscience Conference

  2. Outline • Computational science • High-performance computing (HPC) research at UO • Brain, Biology, and Machine Initiative • Neuroinformatics and the ICONIC Grid • NeuroInformatics Center (NIC) • Electrical Geodesics, Inc. (EGI) • ICONIC Grid system and application • HPC / Grid computing for Oregon’s science industry • Services delivery model • HPC resource centers • High-bandwidth state-wide networking 2004 Bioscience Conference

  3. Computational Science • Integration of computerscience in traditionalscientific disciplines • Increasingly acceptedmodel of scientificresearch • Application of high-performancecomputation, algorithms, networking, database,and visualization • Parallel and grid computing • Integrated problem-solving environments • Computer science research at the core Math Biology Computer Science Geoscience Neuroscience Psychology Paleontology 2004 Bioscience Conference

  4. Computational Science Projects at UO • Geological science • Model coupling for hydrology • Bioinformatics • Zebrafish Information Network (ZFIN) • Evolution of gene families • Oregon Bioinformatics Toolkit • Neuroinformatics • Paleontology • Dinosaur skeleton and motion modeling • Artificial intelligence • Computational Intelligence Research Lab (CIRL) • Oregon Computational Science Institute 2004 Bioscience Conference

  5. HPC Research Project Areas at UO • Parallel modeling and simulation • Computational services • Scientific problem solving environments • Grid computing • Parallel performance evaluation and tools • Parallel language systems • Tools for parallel system and software interaction • Source code analysis • Parallel component software 2004 Bioscience Conference

  6. HPC Research Affiliations at UO • Strong associations with DOE national laboratories • Los Alamos National Lab, Lawrence Livermore National Lab, Sandia National Lab, Argonne National Lab, Pacific Northwest National Lab • DOE funding • Office of Science, Advance Scientific Computing Research • Accelerated Strategic Computing Initiative (ASCI/NNSA) • NSF funding • Academic Research Infrastructure • Major Research Instrumentation 2004 Bioscience Conference

  7. Brain, Biology, and Machine Initiative • UO interdisciplinary research in cognitive neuroscience, biology, computer science • Human neuroscience focus • Understanding of cognition and behavior • Relation to anatomy and neural mechanisms • Linking with molecular analysis and genetics • Enhancement of neuroimaging resources • Magnetic Resonance Imaging (MRI) systems • Dense-array EEG systems • Computation clusters for high-end analysis • Establish and support institutional centers 2004 Bioscience Conference

  8. BBMI Sponsored Research • $40 million research attracted by BBMI • DoD TATRC funding • Telemedicine Advanced Technology Research Center • $10 million gift from Robert and Beverly Lewis family • Established Lewis Center for Neuroimaging (LCNI) • Dr. Ray Nunnally, Director • NIH • NSF • Oregon bond funds • UO foundation funds 2004 Bioscience Conference

  9. Computational Science and Human Neuroscience • Computational methods applied to scientific research • High-performance simulation of complex phenomena • Large-scale data analysis and visualization • Understand functional activity of the human cortex • Multiple cognitive, clinical, and medical domains • Multiple experimental paradigms and methods • Need for coupled/integrated modeling and analysis • Multi-modal (electromagnetic, MR, optical) • Physical brain models and theoretical cognitive models • Need for robust tools • Computational, informatic, and collaborative 2004 Bioscience Conference

  10. NeuroInformatics Center (NIC) • Application of computational science methods to human neuroscience problems (cognitive, clinical) • Understand functional activity of the brain • Help to diagnosis brain-related disorders • Utilize high-performance computing and simulation • Support large-scale data analysis and visualization • Advanced techniques for integrated neuroimaging • Coupled modeling (EEG/ERP and MR analysis) • Advanced statistical analysis (PCA, ICA) • FDM/FEM brain models (EEG, CT, MRI) • Source localization (dipole, linear inverse models) • Problem-solving environment for brain analysis 2004 Bioscience Conference

  11. Electrical Geodesics Inc. (EGI) • EGI Geodesics Sensor Net • Dense-array sensor technology • 64/128/256 channels • 256-channel geodesics sensor net • AgCl plastic electrodes • Carbon fiber leads • Net Station • Advanced EEG/ERP data analysis • Stereotactic EEG sensor registration • Research and medical services • Stroke monitoring and localization 2004 Bioscience Conference

  12. UO MRI Facility (Lewis Center for Neuroimaging) • Siemens Head-Only 3T MRI System • Tailored to functionalneuroimaging • Human subjects • Monitor commonphysiologic parameters • heart rate, respiration • peripheral pulse oxygenation • eye location and eye movement • Audio and visual stimulus • Special RF screening room • MRI coil development 2004 Bioscience Conference

  13. Source Localization Problem • Mapping of scalp potentials to cortical generators • Single time sample and time series • Requirements • Accurate head model and physics • High-resolution 3D structural geometry • Precise tissue identification and segmentation • Correct tissue conductivity assessment • Computational head model formulation • Finite element model (FEM) • Finite difference model (FDM) • Forward problem calculation • Dipole search strategy 2004 Bioscience Conference

  14. Advanced Image Segmentation • Native MR gives high gray-to-white matter contrast • Edge detection finds region boundaries • Segments formed by edge merger • Color depicts tissue type • Investigate more advanced level set methods and hybrid methods 2004 Bioscience Conference

  15. Building Finite Element Brain Models • MRI segmentation of brain tissues • Conductivity model • Measure head tissue conductivity • Electrical impedance tomography • small currents are injectedbetween electrode pair • resulting potential measuredat remaining electrodes • Finite element forward solution • Source inverse modeling • Explicit and implicit methods • Bayesian methodology 2004 Bioscience Conference

  16. Computational Integrated Neuroimaging System raw … … virtual services storage resources compute resources 2004 Bioscience Conference

  17. UO ICONIC Grid • NSF Major Research Instrumentation (MRI) proposal • “Acquisition of the Oregon ICONIC Grid for Integrated COgnitive Neuroscience Informatics and Computation” • PIs • Computer Science: Malony, Conery • Psychology: Tucker, Posner, Nunnally • Senior personnel • Computer Science: Douglas, Cuny • Psychology: Neville, Awh, White • Computational, storage, and visualization infrastructure 2004 Bioscience Conference

  18. ICONIC Grid graphics workstations interactive, immersive viz other campus clusters Internet 2 Gbit Campus Backbone CNI NIC NIC CIS CIS 4x8 16 16 2x8 2x16 SMP Server IBM p655 Shared Memory IBM p690 Graphics SMP SGI MARS Distributed Memory IBM JS20 Distributed Memory Dell Pentium Xeon TapeBackup 5 Terabytes SAN Storage System 2004 Bioscience Conference

  19. Human Neuroscience and ICONIC Grid • Common questions to be explored • Identifying brain networks • Critical periods during normal development • Network involvement in psychopathologies • Training interventions in network development • Research areas • Development of attentional networks • Brain plasticity in normal & altered development • Attention and emotion regulation • Spatial working memory and selective attention • Psychopathology 2004 Bioscience Conference

  20. Computer Science and ICONIC Grid • Scheduling and resource management • Assign hardware resources to computation tasks • Scheduling of workloads for quality of service • Problem-solving computational science environments • Provide scientists an entrée to the ICONIC Grid without requiring specialized knowledge of parallel execution • Interactive / immersive three-dimensional visualization • Explore multi-sensory visualization • Merge 3D graphics with force-feedback haptics • Parallel performance evaluation 2004 Bioscience Conference

  21. Technology Transfer in Human Neuroscience • UO’s BBMI is conducting pioneering research and development in human neuroscience, genetics and proteomics, and computational science for future neurological medicine and health care • Greater precision and speed in brain imaging has high research and medical relevance • Integrated medical imaging (EEG/MEG, MRI, radiology) • Automatic image assessment (detection and diagnosis) • Neurological evaluation and surgical planning • Linking of genetics factors with complex cognitive traits (personality, learning, attention) has potential for therapies and pharmaceutical clinical drug development 2004 Bioscience Conference

  22. Leveraging Internet, HPC, and Grid Computing • Telemedicine imaging and neurology • Distributed EEG and MRI measurement and analysis • Neurological medical services • Shared brain data repositories • Remote and rural imaging capabilities • Neet to enhance HPC and grid infrastructure in Oregon • Build on emerging web services and grid technology • Establish HPC resources with high-bandwidth networks • Create institutional and industry partnerships • UO is working closely with EGI to develop high-end EEG analysis services framework • Pilot neuroimaging services model on ICONIC Grid 2004 Bioscience Conference

  23. Region 2 Internet 2 /National LambdaRail Region 1 Regional networks Region 5 Region 4 HPC servers Regional clients Region 3 Oregon E-Science Grid 2004 Bioscience Conference

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