Bulletin of the American Physical Society
2009 APS March Meeting
Volume 54, Number 1
Monday–Friday, March 16–20, 2009; Pittsburgh, Pennsylvania
Session Y40: Physiological and Medical Physics
8:00 AM–10:48 AM,
Friday, March 20, 2009
Room: 412
Sponsoring
Unit:
DBP
Chair: Krastan Blagoev, National Science Foundation
Abstract ID: BAPS.2009.MAR.Y40.5
Abstract: Y40.00005 : Direct Neural Imaging using Ultra-Low Field Magnetic Resonance
8:48 AM–9:00 AM
Preview Abstract
Abstract
Authors:
Karlene Maskaly
(Los Alamos National Laboratory)
Michelle Espy
(Los Alamos National Laboratory)
Mark Flynn
(Los Alamos National Laboratory)
John Gomez
(Los Alamos National Laboratory)
Robert Kraus
(Los Alamos National Laboratory)
Andrei Matlashov
(Los Alamos National Laboratory)
John Mosher
(Cleveland Clinic)
Shaun Newman
(Los Alamos National Laboratory)
Tuba Owens
(Los Alamos National Laboratory)
Mark Peters
(Los Alamos National Laboratory)
J. Sandin
(Los Alamos National Laboratory)
Larry Schultz
(Los Alamos National Laboratory)
Algis Urbaitis
(Los Alamos National Laboratory)
Petr Volegov
(Los Alamos National Laboratory)
Vadim Zotev
(Los Alamos National Laboratory)
An enduring challenge in neuroscience is the accurate in vivo mapping of neural activity with high spatial and temporal resolution. A method being developed by our group tries to meet this challenge by using Ultra-Low Field (ULF) MRI. Other groups have attempted direct neural imaging (DNI) using high field MRI. However, the use of ULF presents two advantages. First, the susceptibility artifact at high fields, which masks the DNI signal, is negligible at low fields. Second, the reduced Larmor frequency at ULF may overlap with the frequency spectrum of the neural magnetic field, resonantly enhancing the MRI signal. In this presentation, I will first show our custom-built ULF MRI setups that have successfully produced ULF anatomical images. I will then highlight the numerous studies we have done to investigate the feasibility of DNI with these systems, including both experimental and theoretical studies.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2009.MAR.Y40.5
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