For each subject, a high-resolution sagittal T1 weighted volumetric MRI scan was acquired at the Neuroradiology Unit of the “Città di Brescia” Hospital, Brescia, Italy, by using a 1.0 T Philips Gyroscan scanner (Philips Medical Systems, Best, The Netherlands), with a gradient echo 3D technique: TR = 20 ms, TE = 5 ms, flip angle = 30, field of view = 220 mm, acquisition matrix 256 · 256, slice thickness 1.3 mm.
Gyroscan scanner
Manufactured by Philips
The Gyroscan scanner is a medical imaging device developed by Philips. It is designed to produce high-quality images of the human body through the use of magnetic resonance imaging (MRI) technology. The core function of the Gyroscan scanner is to capture detailed images of the body's internal structures, which can be used by healthcare professionals for diagnosis and treatment planning.
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Lab products found in correlation
7 protocols using gyroscan scanner
1
Volumetric MRI Acquisition Protocol
2
High-Resolution Sagittal T1 MRI Acquisition
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For each subject, a high-resolution sagittal T1 weighted volumetric MR scan was acquired in the Neuroradiology Unit of the ‘Citta’ di Brescia’ Hospital, Brescia, by using a 1.0 T Philips Gyroscan scanner with a gradient echo 3D technique: TR = 20 ms, TE = 5 ms, flip angle = 30, field of view = 220 mm, acquisition matrix 256 x 256 mm, slice thickness 1.3 mm.
3
Volumetric MRI Scan Protocol
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For each subject, a high-resolution sagittal T1 weighted volumetric MR scan was acquired at the Neuroradiology Unit of the ‘Citta` di Brescia’ Hospital, Brescia, by using a 1.0 T Philips Gyroscan scanner, with a gradient echo 3D technique: TR = 20 ms, TE = 5 ms, flip angle = 30, field of view = 220 mm, acquisition matrix 256 ⋅ 256, slice thickness 1.3 mm.
4
Brain MRI Acquisition Protocols
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ADNI brain MR images selected were T13D magnetization-prepared rapid acquisition with gradient echo (MPRAGE) sequences acquired with a field strength of 1.5 (FS = 222; AA = 131) or 3 Tesla (FS = 310; AA = 290). MPRAGE scans3 were acquired in the sagittal plane with isotropic 1 mm voxel size and with a gradient echo 3D technique optimized and harmonized for the three main scanner manufacturers (i.e., PHILIPS, GE, SIEMENS).
IBNA MRIs were acquired exclusively with a PHILIPS Gyroscan scanner at 1.0 Tesla. The T1-weighted scan was acquired in the sagittal plane with a gradient echo 3D technique as follows: TR = 20 ms, TE = 5 ms, flip angle = 30°, acquisition matrix 256 × 256, slice thickness = 1.3 mm.
ARWiBo scans were acquired with a PHILIPS Gyroscan scanner at 1.0 Tesla or with a GE Signa HDx at 1.5 Tesla and an Inversion Recovery Spoiled Gradient Echo as follows: TR = 12 ms, TE = 5 ms, TI = 600 ms; flip angle = 8°, acquisition matrix 256 × 256, slice thickness = 1 mm.
IBNA MRIs were acquired exclusively with a PHILIPS Gyroscan scanner at 1.0 Tesla. The T1-weighted scan was acquired in the sagittal plane with a gradient echo 3D technique as follows: TR = 20 ms, TE = 5 ms, flip angle = 30°, acquisition matrix 256 × 256, slice thickness = 1.3 mm.
ARWiBo scans were acquired with a PHILIPS Gyroscan scanner at 1.0 Tesla or with a GE Signa HDx at 1.5 Tesla and an Inversion Recovery Spoiled Gradient Echo as follows: TR = 12 ms, TE = 5 ms, TI = 600 ms; flip angle = 8°, acquisition matrix 256 × 256, slice thickness = 1 mm.
5
High-Resolution 3D MRI Volumetric Acquisition
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For each subject, a high-resolution sagittal T1 weighted volumetric MR scan was acquired at the Neuroradiology Unit of the ‘Citta` di Brescia’ Hospital, Brescia, by using a 1.0 T Philips Gyroscan scanner, with a gradient echo 3D technique: TR = 20 ms, TE = 5 ms, flip angle = 30, field of view = 220 mm, acquisition matrix 256 · 256, and slice thickness 1.3 mm.
6
High-Resolution Volumetric MRI Protocol
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For every subject, a high-resolution sagittal T1-weighted volumetric MRI output was procured at the Neuroradiology Unit of the “Città di Brescia” Hospital, Brescia, by utilizing a 1.0 T Philips Gyroscan scanner with a gradient echo three-dimensional procedure: TR =20 ms, TE =5 ms, flip angle =30°, field of perspective =220 mm, securing grid =256 ×256 mm, and cut thickness =1.3 mm.
7
Neuroimaging of Cognitive Task Performance
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The stimuli were presented to participants in a 1.5 T Philips Gyroscan scanner with an eight element head coil. Within the head coil was mounted a mirror assembly, such that with their head within the coil, participants were able to see a screen at the end of the scanner bed onto which the cognitive tasks were projected. Scanning consisted of initial surveys to determine participant position and a reference scan for coil calibration purposes, with the procedure taking approximately two minutes. The assessment of brain activity during cognitive tasks involved using a standard single shot echo-planar dynamic imaging (EPI) sequence as routinely used for fMRI studies (TR=3 s, TE=45 ms, resolution 2.5 x 2.5 x 3.5 mm, 39 contiguous transverse-oblique slices, scans field of view 230 x 230 mm, 64 x 64 within-plane matrix). Each section of the cognitive tasks required running separate dynamic EPI scans, with the participants given the opportunity to move and get comfortable between each set. This procedure was then followed by a high resolution dynamic scan T1-weighted anatomical image with a resolution of 0.9 x 0.9 x 0.9 mm, taking approximately 3.5 minutes
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