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SUNMONTUEWEDTHUFRISAT
Events for December 16, 2005
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Meet USC (AM session)
Fri, Dec 16, 2005 @ 09:00 AM - 12:00 PM
Viterbi School of Engineering Undergraduate Admission
Workshops & Infosessions
This half day program is designed for prospective freshmen and family members. Meet USC includes an information session on the University and the Admission process; a student led walking tour of campus and a meeting with us in the Viterbi School. Meet USC is designed to answer all of your questions about USC, the application process and financial aid.Reservations are required for Meet USC. Please call the USC Admission Center at (213) 740-6616 to check availability and to make an appointment. Be sure to tell them you are interested in Engineering!
Location: USC Admission Center
Audiences: Prospective Freshmen and Family Members - RESERVATIONS REQUIRED
Contact: Viterbi Admission
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Simultaneous Detection of Nuclear Magnetic Resonance and Biomagnetic Signals at Ultra-low Magnetic F
Fri, Dec 16, 2005 @ 11:00 AM - 12:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
SIPI SeminarJohn C. Mosher, Ph.D.,
Biological and Quantum Physics Group
Los Alamos National Laboratory,
Los Alamos, New MexicoAnatomical imaging of the brain is typically generated using high magnetic fields (several Tesla). Separately, the brain's electrical activity generates extremely low magnetic fields that are measurable by ultrasensitve detectors. Combining the two methods was generally thought impossible until recently when magnetic fields one million times weaker than normal were used to demonstrate nuclear magnetic resonance (NMR). NMR and magnetic resonance imaging (MRI) at ultra-low magnetic fields (ULF, fields of ~ μιχροT) have several advantages over their counterparts at higher magnetic fields. These include narrow line widths, the possibility of novel imaging schemes such as T1 weighted images, and reduced system cost and complexity. In addition, ULF NMR/MRI with superconducting quantum interference devices (SQUIDs) is compatible with simultaneous measurements of biomagnetic signals (magnetoencephalography - MEG), a capability conventional systems cannot offer. This overview talk will be aimed at the introductory level of understanding in NMR and MEG, briefly reviewing the underlying concepts, and how SQUIDs can measure both simultaneously. We discuss the signal processing used to separate and indentify the key components in the measured signals, and we present novel experimental demonstrations of these measurements in heart, muscle, and brain. We then discuss the "Holy Grail" of research in this field, which is to show that the anatomical and functional signals may interact, which would lead to new breakthroughs in accurate modeling of neural function, and we show some tantalizing preliminary results in this directionHOST: Dr. Richard Leahy, leahy@sipi.usc.edu, x 04659
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Regina Morton
