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Standard 8 channel head coil

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The Standard 8-channel head coil is a medical imaging device used in Magnetic Resonance Imaging (MRI) systems. It is designed to receive and transmit radiofrequency (RF) signals from the human head, allowing for the acquisition of high-quality MRI images.

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Lab products found in correlation

Signa hdx 3.0t scanner, by GE Healthcare (1 mentions) Signa 3t scanner, by GE Healthcare (1 mentions) Discovery 3.0 t whole body mr system, by GE Healthcare (1 mentions)

4 protocols using standard 8 channel head coil

1

High-resolution MRI and fMRI Acquisition Protocol

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MRI data were acquired using a GE signa HDX 3.0T scanner with a standard 8-channel head coil at the First Affiliated Hospital of China Medical University, Shenyang, China. Three-dimensional, high-resolution, T1-weighted images was collected using a 3D fast spoiled gradient-echo (FSPGR) sequence with the following parameters: TR/TE = 7.1/3.2 ms, image matrix = 240 × 240, field of view (FOV) = 240 mm2 × 240 mm2, 176 contiguous slices of 1mm without gap, voxel size = 1.0 mm3. We acquired fMRI images using a spin echo planar imaging (EPI) sequence, parallel to the anterior-posterior commissure plane with the following scan parameters: repetition time (TR) = 2000 ms; echo time (TE) > = 40 ms; image matrix = 64×64; field of view (FOV) = 24 cm2 × 24 cm2; 35 contiguous slices of 3 mm without gap; scan time = 6 min 40 s (the 6 min 40 s scans included a total of 200 volumes). We acquired a high-resolution structural image using a three-dimensional fast spoiled gradient-echo T1-weighted sequence: TR = 7.1 ms, TE = 3.2 ms, FOV = 24 cm × 24 cm, matrix = 240 × 240, slice thickness = 1.0 mm without gap, and 176 slices.
Wang L., Zhao Y., Edmiston E.K., Womer F.Y., Zhang R., Zhao P., Jiang X., Wu F., Kong L., Zhou Y., Tang Y, & Wei S. (2020). Structural and Functional Abnormities of Amygdala and Prefrontal Cortex in Major Depressive Disorder With Suicide Attempts. Frontiers in Psychiatry, 10, 923.
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2

Neuroimaging of Subliminal and Liminal Rectal Stimuli

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Imaging acquisition was performed using a GE Signa 3T scanner (GE, Waukesha, Wisconsin, USA) with a standard 8-channel head coil at the Medical College of Wisconsin. Each fMRI run consisted of four repeating cycles, with each cycle comprising a 15-second pressure and a 25-second rest (Fig. 1A). Two scans were performed during each of the subliminal and liminal stimulation conditions. Participants were not informed of the type or level of rectal distension stimulation, be it subliminal or liminal, before the start of each scan in order to minimize the anticipatory effects in the acquired data. Functional blood-oxygen-level-dependent (BOLD) signals were acquired in the sagittal plane (repetition time, 2 s; echo time, 25 ms; slice thickness, 4 mm; in-plane resolution, 3.75 × 3.75 mm2; flip angle, 77°; field of view (FOV), 24 cm; matrix size, 64-by-64). The whole-brain high-resolution spoiled-gradient-recalled (SPGR) anatomical images were always obtained immediately after the completion of all fMRI runs (TR, 9.5 ms; TE, 3.9 ms; slices thickness, 1.2 mm; flip angle, 12°; FOV, 24 cm; matrix size, 256 × 224).
Liu X., Silverman A., Kern M., Ward B.D., Li S.J., Shaker R, & Sood M.R. (2015). Excessive coupling of the salience network with intrinsic neurocognitive brain networks during rectal distension in adolescents with irritable bowel syndrome: a preliminary report. Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society, 28(1), 43-53.
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3

Minimizing Motion Artifacts in MRI

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Participants received behavioral training in a mock MRI scanner, familiarizing them with the MRI environment in an effort to minimize motion-related artifacts. All participants were scanned using a GE Healthcare Discovery 3.0 T whole-body MR system (GE Medical Systems, Milwaukee, WI) with a standard 8-channel head coil at Stanford University Lucas Center for Imaging. Additional details about the pulse sequence and image quality check are presented in Supplementary Material.
Rai B., Naylor P.E., Siqueiros-Sanchez M., Wintermark M., Raman M.M., Jo B., Reiss A.L, & Green T. (2023). Novel effects of Ras-MAPK pathogenic variants on the developing human brain and their link to gene expression and inhibition abilities. Translational Psychiatry, 13, 245.
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4

Behavioral Training for Minimizing Motion Artifacts

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Participants received behavioral training in a mock MRI scanner familiarizing them with the MRI environment in an effort to minimize motion-related artifacts. All participants were scanned using a GE Healthcare Discovery 3.0 T whole-body MR system (GE Medical Systems, Milwaukee, WI) with a standard 8-channel head coil at Stanford University Lucas Center for Imaging. Additional details about the pulse sequence and image quality check are presented in Supplementary Material.
Rai B., Naylor P., Sanchez M.S., Wintermark M., Raman M., Jo B., Reiss A, & Green T. (2023). Novel effects of Ras-MAPK pathogenic variants on the developing human brain and their link to gene expression and inhibition abilities. Research Square.
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