Contact Points
69123 Heidelberg
Germany
• 3.3 V peak-to-peak dynamic range
• +/- 30V maximum voltage
• 50 kOhm differential input impedance
• 0.21 pF differential input capacitance
van Gelderen and I looked at the SR Research system installed on the fmrif7a MRI system at the
NIH. Dr. van Gelderen talked to various vendors at the recent ISMRM annual meeting in London,
UK. I performed a web search and contacted various vendors (e.g. Avotec, who could not provide
a system that would work for us).
The National Institute for Neurological Disorders and Stroke (NINDS) has as its mission to seek fundamental knowledge about the brain and nervous system, and to use that knowledge to reduce the burden of neurological disease.
The NINDS Laboratory of Functional and Molecular Imaging (LFMI) was founded in 1999 with the major goal of goal of developing imaging techniques that provide anatomical, functional and molecular information about tissue function. The specific emphasis is on advancing MRI techniques for analysis of the brain. MRI has grown into a critical imaging tool for anatomical characterization of normal and pathophysiological states in human and animal models. Over the past ten years progress in sensitizing MRI to parameters related to regional blood flow has opened the area of functional MRI (fMRI). FMRI studies are having a large impact on understanding the localization of neural function in the brain. Scientists in LFMI played an early role in developing fMRI techniques and presently are pushing these techniques to higher spatial and temporal resolution. A feature of this work is to develop the highest magnetic field MRI scanners as possible to increase signal to noise and contrast to noise in fMRI studies. Presently LFMI is developing a 11.7 T 68 cm magnet for Magnetic Resonance Imaging (MRI) in human subjects.
The Advanced MRI section within LFMI is a research laboratory at the Bethesda campus of the NIH, as part of the NIH Intramural Research Program. Research in LFMI concerns the development of novel applications for the study of neurological disease through improvement of MRI technology. Recent work has been in the fields of array detectors, high field technology, and functional imaging.
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