A Siemens 3 Tesla Allegra was used for MRS acquisition. A spin-echo single-voxel spectroscopy sequence was used for the acquisition of a single 18-mm isotropic voxel in the right frontal cortex [Repetition Time (TR)=2000 msec and Echo Time (TE) = 30 msec]. The single voxel included gray and white matter tissue, but did not include CSF. Its position encompassed the inferior frontal gyrus, insula, and anterior portions of the basal ganglia (Fig.1 ). The acquisition used water saturation and 128 averages of the spectroscopy acquisition with a 1200-Hz bandwidth. The data were processed in the Siemens Syngo 2004 spectroscopy analysis package (80333 Munich, Germany), which provides peak fitting of metabolites in proton spectroscopy. NAA and Creatine (Cr) levels were extracted from the data and used for analysis.
3 tesla allegra
Manufactured by Siemens
Sourced in Germany
The 3 Tesla Allegra is a magnetic resonance imaging (MRI) system manufactured by Siemens. It operates at a field strength of 3 Tesla, which provides high-quality imaging capabilities. The Allegra is designed for research and clinical applications.
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Lab products found in correlation
2 protocols using 3 tesla allegra
1
Frontal Cortex MRS Acquisition
2
High-Resolution 3T Structural MRI
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Structural MRI data were collected using a Siemens 3 Tesla Allegra scanner (Siemens Healthcare, Erlangen, Germany) at the University of Alabama, Birmingham neuroimaging facility. High resolution T1 weighted 3D structural images were acquired for each participant, with the following parameters: TR = 2300 ms, TE = 3.36 ms, matrix size = 256 x 256, field of view = 240 mm, slice thickness = 1 mm, number of slices = 160.
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