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System integration of FastSPECT III, a dedicated SPECT rodent-brain imager based on BazookaSPECT detector technology

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6 Author(s)
Brian W. Miller ; College of Optical Sciences, University of Arizona, Tucson, AZ 85724 USA ; Lars R. Furenlid ; Stephen K. Moore ; H. Bradford Barber
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FastSPECT III is a stationary, single-photon emission computed tomography (SPECT) imager designed specifically for imaging and studying neurological pathologies in rodent brain, including Alzheimer's and Parkinsons's disease. Twenty independent BazookaSPECT [1] gamma-ray detectors acquire projections of a spherical field of view with pinholes selected for desired resolution and sensitivity. Each BazookaSPECT detector comprises a columnar CsI(Tl) scintillator, image-intensifier, optical lens, and fast-frame-rate CCD camera. Data stream back to processing computers via firewire interfaces, and heavy use of graphics processing units (GPUs) ensures that each frame of data is processed in real time to extract the images of individual gamma-ray events. Details of the system design, imaging aperture fabrication methods, and preliminary projection images are presented.

Published in:

2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC)

Date of Conference:

Oct. 24 2009-Nov. 1 2009