We used a 3-T Philips scanner (Philips Achieva TX) with a standard whole-head coil. Functional scans were acquired during two runs of 246 dynamics each, using T2* echo-planar imaging (EPI). Volumes covered the entire brain [repetition time (TR) = 2.2 s; echo time (TE) = 30 ms; sequential acquisition, 38 slices; voxel size 2.75 × 2.75 × 2.75 mm; field of view (FOV) = 220 × 220 × 114.68 mm]. To allow for equilibration of T1 saturation effects we discarded the first two volumes. A high-resolution 3-D T1 scan was obtained after the fMRI task for anatomical reference (TR = 9.76 ms, TE = 4.59 ms, 140 slices, voxel size = 0.875 mm, FOV = 224 × 177 × 168 mm).
Whole head coil
Manufactured by Philips
Sourced in Germany
The Whole-head coil is a specialized equipment designed for medical imaging applications. It is used as a key component in magnetic resonance imaging (MRI) systems to capture high-quality images of the entire human head. The coil's primary function is to transmit and receive radio frequency (RF) signals, enabling the MRI system to generate detailed visualizations of the brain and surrounding structures.
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Lab products found in correlation
4 protocols using whole head coil
1
Functional MRI Neuroimaging Acquisition Protocol
2
Functional MRI Acquisition Protocol
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A Philips 3T MRI scanner with a standard whole-head coil was used to acquire MRI scans. Functional scans were acquired using T2*-weighted echo-planar imaging sequence (TR = 2200 ms, TE = 30 ms, sequential acquisition, 37 slices of 2.75 mm and FOV = 220 × 220 × 111.65 mm). The first two volumes of each run were discarded to account for T1 saturation. After the functional scans, a high-resolution 3D T1-FFE scan for anatomical reference was obtained (TR = shortest ms, TE = 4.6 ms, 140 slices, voxel size = 0.875 mm and FOV = 224 × 178.5 × 168 mm). The task was projected on a screen behind the scanner which the participant could see via a mirror attached to the head coil. Head movement was restricted by placing foam inserts inside the coil.
3
Functional MRI Acquisition Protocol
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We used a 3-T scanner (Philips Achieva TX, Erlangen, Germany) with a standard whole-head coil. Functional scans were acquired during two runs of 246 dynamics each, using T2* EPI. Volumes covered the whole brain (repetition time = 2.2 sec, echo time = 30 msec, sequential acquisition = 38 slices, voxel size = 2.75 × 2.75 × 2.75 mm, field of view = 220 × 220 × 114.68 mm). We discarded the first two volumes to allow equilibration of T1 saturation effects.
4
Functional Neuroimaging of Marble Task
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Behavioral data and timing of the stimuli were obtained using E-prime (Schneider, Eschman, & Zuccolotto, 2002) . Scanning was performed using a 3.0T Philips Achieva scanner with a standard whole-head coil at the Leiden University Medical Center. We used foam inserts to reduce head movements in the scanner. The participants viewed the marble task via a mirror on a screen at the head of the magnet. They responded with their right index finger by pressing a key on a response box attached to their right upper leg. Functional data were acquired using T2*-weighted Echo-Planar Images (TR=2.2 s, TE=30 ms, sequential acquisition, 38 slices of 2.75 mm, slice matrix=80×80, in-plane resolution 2.75 mm, slice gap=0.28 mm, field of view=220) during three functional runs. The first two volumes of each run were discarded to allow for equilibration of T1 saturation effects. After the functional runs, a high resolution 3D T1-FFE scan for anatomical reference was obtained (TR=9.760 ms, TE=4.59 ma, flip angle=8 degrees, 140 slices, 0.875 X 0.875 X 1.2 mm 3 voxels, field of view = 224 x 168 x 177 mm 3 ).
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