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Technical Solution for an Interactive Functional MR Imaging Examination: Application to a Physiologic Interview and the Study of Cerebral Physiology

¹ Laboratory of Diagnostic Radiology Research, Clinical Center (J.A.F., J.L.O., Y.Y., B.K.L., A.P., J.Q., R.L.L., J.H.D.)
² in Vivo NMR Research Center, National Institute of Neurological Disorders and Stroke (Y.S.)
³ Clinical Brain Disorders Branch, National Institute for Mental Health (J.A.F., V.S.M.), National Institutes of Health, Bldg 10, Rm B1N256, 10 Center Dr, MSC 1074, Bethesda, MD 20892-1074.

Studies with functional magnetic resonance (MR) imaging produce large unprocessed raw data sets in minutes. The analysis usually requires transferring of the data to an off-line workstation, and this process frequently occurs after the subject has left the MR unit. The authors describe a hardware configuration and processing software that captures whole-brain raw data files as they are being produced from the MR unit. It then performs the reconstruction, registration, and statistical analysis, and displays the results in seconds after completion of the MR image acquisition.

Index terms: Brain, blood flow, 10.121416, 10.121419 • Brain, MR, 10.121416, 10.121419 • Brain neoplasms, MR, 10.121416, 10.121419 • Magnetic resonance (MR), technology, 10.12144

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