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32 channel digital sense head coil

Manufactured by Philips
Sourced in Netherlands

The 32-channel digital SENSE head coil is a specialized device used in medical imaging applications. It is designed to be used with magnetic resonance imaging (MRI) systems to acquire high-quality images of the human head and brain. The coil features 32 individual receiver channels that enable parallel imaging techniques, which can improve the speed and efficiency of data acquisition. The coil is compatible with Philips MRI systems and is intended for use by trained healthcare professionals.

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7 protocols using 32 channel digital sense head coil

1

Multimodal Neuroimaging of Healthy Participants

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Scanning was performed at the Neuroimaging Facility of Renown Health Hospital in Reno, NV, on a 3T Philips Ingenia scanner using a 32-channel digital SENSE head coil (Philips Medical Systems, Best, Netherlands). Data were collected over the course of a single imaging session per participant, including a high-resolution T1-weighted whole-brain structural scan (MPRAGE, 1-mm3 isometric voxels), and five echo-planar functional scans, each lasting 340 s. Functional imaging consisted of a continuous acquisition paradigm with a repetition time of 2 s, echo time of 35 ms, and slice thickness of 3 mm for a voxel size of 2.75 × 2.75 mm2 over 40 slices.
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2

Functional MRI Protocol for Cognitive Tasks

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Data were acquired on a Philips 3T Ingenia scanner using a
32-channel digital SENSE head coil (Philips Medical Systems, Best,
Netherlands). Functional data for Experiments 1 and 2 were obtained using
T2*-weighted, echo planar images (2 sec. TR, 180 volumes, voxel size 2.75
× 2.75 × 3 mm3, 36 slices, 55 ms inter slice time,
0 mm gaps). We used a block design where a run consisted of 16 blocks of 14
sec. each, interleaved with 8 sec. fixation-only gaps. Each stimulus type
was presented twice per run, and the order was counterbalanced across runs.
Each run lasted 360 sec. In Experiment 1, all participants completed 8 runs.
In Experiment 2, participants completed 6 runs, reduced from Experiment 1.
Anatomical scans occurred halfway through a session in order to reduce
motion artifacts. Anatomical scans were collected using T1 weighted images
(voxel size of 1×1×1 mm3, 30 sec transverse slices,
17 ms TE, 76o flip angle, and 220 × 220 mm2field of view). Anatomical and functional runs were collected within a
single session for 12 of the participants, while the remaining 2
participants completed functional runs across two sessions.
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3

Whole-Brain fMRI Imaging Protocol

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The main experiments and the localizer scans were conducted at the Renown Health hospital (Reno, NV) using a 3T Philips Ingenia MRI system equipped with a 32-channel digital SENSE head coil. Continuous whole-brain BOLD signals were collected using T2*-weighted interleaved, echo-planar functional images (TE = 40 ms, TR = 2 s, flip angle = 71°, 32 axial slices, 3 mm2, 2 mm thickness, 1 mm gap, matrix size = 128 × 128, field of view = 240 × 240). Dummy scans were collected for a minimum of 10 s at the beginning of every run to allow for stabilization of the magnetic field. High-resolution anatomical images obtained using a 3-D T1-weighted pulse sequence (TE = 4.60 ms, TR = 3.0 s, flip angle = 8°, resolution = 1 × 1 × 1 mm, matrix size = 256 × 256) and were used for anatomical reconstruction of the cortical hemisphere surfaces.
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4

3T fMRI Acquisition Protocol

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(f)MRI scanning was performed with a 3 T Philips Ingenia scanner using a 32-channel digital SENSE head coil (Philips Medical Systems, Best, Netherlands) at the Renown Regional Medical Center. Volumetric anatomical images were acquired at a resolution of 1 mm3 using a T1-weighted magnetization-prepared rapid gradient echo (MPRAGE) sequence. Functional blood oxygen-level dependent (BOLD) were acquired through a continuous design at a resolution of 2.75 × 2.75 × 3 mm voxels, with no gap. A repetition time (TR) of 2 s was used to acquire 30 transverse slices in an ascending order, with an echo time (TE) of 17 ms, flip angle of 76°, and 220 × 220 mm2 field of view.
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5

Neuroimaging of Motion Perception

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Scanning was performed at the Neuroimaging Facility of Renown Health Hospital in Reno, NV on a 3T Philips Ingenia scanner using a 32-channel digital SENSE head coil (Philips Medical Systems, Best, Netherlands). Three-dimensional (3D) anatomical images were acquired at 1 × 1 × 1 mm resolution using a T1-weighted MPRAGE (magnetization-prepared rapid gradient echo) sequence. Functional images were obtained using a standard echo planar imaging sequence (EPI) with 2.75 × 2.75 × 3-mm voxels. A continuous block design was used (TR = 2 s, TE = 25 ms) for both visual motion localizer and tactile motion scans.
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6

Visual Working Memory fMRI Protocol

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For all 24 participants, functional scans during the visual WM task were acquired at the Neuroimaging Facility of Renown Regional Medical Center in Reno, NV on a 3T Philips Ingenia scanner (software version 4.1.1) using a 32-channel digital SENSE head coil (Philips Medical Systems, Best, Netherlands). Functional images were obtained using T2* fast field echo, echo planar functional images (EPIs) sensitive to BOLD contrast (32 axial slices, 3.0 mm2 in-plane voxel resolution, matrix = 80 × 80, slice-thickness = 2.5 mm, 1 mm gap, interleaved slice acquisition, FOV = 240 × 240, TE = 40 ms, TR = 2 s, flip angle = 71°).
Anatomical data were acquired at two imaging sites. For 17 participants, high-resolution anatomical images (MPRAGE: 208 sagittal slices, 0.9 mm2 in-plane voxel resolution, matrix = 256 × 256, slice-thickness = 0.95 mm, FOV = 243 × 243 × 187 mm, TE = 4.33 ms, TR = 10 ms, flip angle = 7°) were acquired at the Renown Neuroimaging Facility. For the remaining 7 participants, high-resolution anatomical images (MPRAGE: 208 sagittal slices, 0.9 mm2 in-plane voxel resolution, matrix = 256 × 256, slice-thickness = 0.95 mm, FOV = 243 × 243 × 187 mm, TE = 4.33 ms, TR = 10 ms, flip angle = 7°) were acquired at the University of California, Davis Imaging Research Center on a 3T Skyra MRI System (Siemens Healthcare, Erlangen, Germany) using a 64-channel phased-array head coil.
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7

fMRI Acquisition Protocol for Brain Imaging

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Scanning was performed at the Imaging Facility of Renown Health Hospital in Reno, NV on a 3T Philips Ingenia scanner using a 32-channel digital SENSE head coil (Philips Medical Systems, Best, Netherlands). Three-dimensional (3D) anatomical images were acquired at 1 × 1 × 1 mm resolution using a T1-weighted magnetization-prepared rapid gradient echo (MPRAGE) sequence. Functional images were obtained using a standard echo-planar imaging sequence (EPI) with 2.75 × 2.75 × 3 mm voxels. A repetition time (TR) of 2 seconds was used to acquire 40 transverse slices in ascending order, with an echo time (TE) of 25 ms, flip angle 76°, and 220 × 220 mm2 field of view.
fMRI data were collected in one or two sessions with the order of experiments (passive, active, resting-state) varied across participants. Resting-state data were typically gathered after the passive experiment and before the active experiment.
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