12 element head coil

Manufactured by Siemens

The 12-element head coil is a medical imaging device designed for use in magnetic resonance imaging (MRI) systems. Its core function is to transmit and receive radio frequency (RF) signals, which are used to generate high-quality images of the human head and brain. The 12 individual RF coils work together to optimize signal reception and provide uniform signal coverage across the imaging volume.

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Lab products found in correlation

Trio system, by Siemens (4 mentions) Trio 3t scanner, by Siemens (1 mentions) 3t system, by Siemens (1 mentions)

Close spelling variants of this product

12-element Head Matrix coil

6 protocols using 12 element head coil

fMRI Data Acquisition Protocol

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All fMRI data were collected on a 3T Siemens Trio system with a 12-element head coil. The fMRI (T₂* echo planar imaging) imaging sequence included the following parameters: 320 full brain volumes collected in each of the four 10-minute and 24-second sessions; 75° flip angle; time repetition (TR) = 1.95 s; time echo (TE) = 30 ms; in-plane resolution = 3.30 × 3.30 mm; slice thickness = 3.0 mm (no gap); 36 axial slices collected in planes aligned parallel to the anterior commissure–posterior commissure line. To improve coregistration of images, all participants were scanned with a high-resolution T₁ MRI, which yielded a 1 mm isotropic image. This sequence had the following parameters: field of view (FOV) = 256 mm × 256 mm; 192 sagittal slices; 9° flip angle; TR = 2250 ms; TE = 4.15 ms.

Riddle PJ J.r., Newman-Norlund R.D., Baer J, & Thrasher J.F. (2016). Neural response to pictorial health warning labels can predict smoking behavioral change. Social Cognitive and Affective Neuroscience, 11(11), 1802-1811.

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High-Resolution Neuroimaging Protocol

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All participants underwent high-resolution T1- and T2-weighted neuroimaging. T1- and T2- weighted images were acquired on
a Siemens Trio 3T scanner equipped with a 12-element head coil, with the following parameters: T1-weigthed imaging utilized an
MP-RAGE sequence with 1 mm isotropic voxels, a 256×256 matrix size, a 9-degree flip angle, and a 92-slice sequence with
TR=2250 ms, TI=925 ms and TE=4.11 ms. T2-weighted scans were acquired using a three-dimensional T2-weighted SPACE sequence
covering the whole head and with a resolution of 1mm³ was used (field of view = 256 × 256 mm, 160 sagittal
slices, variable degree flip angle, TR=3200 ms, TE=212 ms).

Basilakos A., Stark B.C., Johnson L., Rorden C., Yourganov G., Bonilha L, & Fridriksson J. (2019). Leukoaraiosis is associated with a decline in language abilities in chronic aphasia. Neurorehabilitation and neural repair, 33(9), 718-729.

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Multimodal Brain Imaging Protocol

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All participants underwent scanning using a 3 T Siemens Trio system with a 12-element head coil at the McCausland Center for Brain Imaging (Columbia, SC) within two days of behavioral testing. High-resolution 3D T₁-MRI scans (repetition time (TR) = 2250 ms, inversion time (TI) 925 ms, echo time (TE) = 4.15 ms, flip angle = 9°, field of view (FOV) = 256 mm, and voxel size = 1.0 × 1.0 × 1.0 mm) and 3D T₂-MRI scans (TR = 3200 ms, TE = 212 ms, variable flip angle, FOV = 256 mm, and voxel size = 1.0 × 1.0 × 1.0 mm) were acquired for determination of lesion size and location. Diffusion imaging was performed with a single-shot gradient echo planar imaging (EPI) monopolar Stejskal-Tanner sequence using the following parameters: TR = 4987 ms, TE = 79.2 ms, flip angle = 90°, FOV = 207 mm, voxel size = 2.3 × 2.3 × 2.3 mm, slice thickness = 2.3 mm, 36 volumes with noncollinear diffusion directions at a b value of 1000 s/mm² as well as 5 volumes with a b value of 0, and number of slices = 50. Slices were acquired with full Fourier and in-plane parallel acceleration (GRAPPA = 2). This diffusion sequence was acquired twice, with the second series reversing the phase-encoding direction.

Peters D.M., Fridriksson J., Richardson J.D., Stewart J.C., Rorden C., Bonilha L., Middleton A, & Fritz S.L. (2021). Upper and Lower Limb Motor Function Correlates with Ipsilesional Corticospinal Tract and Red Nucleus Structural Integrity in Chronic Stroke: A Cross-Sectional, ROI-Based MRI Study. Behavioural Neurology, 2021, 3010555.

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High-Resolution T1 and T2 MRI Brain Imaging

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MRI data were acquired using a Siemens 3T system with a 12-element head coil. Participants were scanned with high-resolution T1 and T2 MRI sequences. The T1 sequence utilized a turbo field echo sequence (MP-RAGE) with the following parameters: FOV = 256 × 256 mm, 160 sagittal slices, 15 degree flip angle, TI = 900 ms, TR = 9.5 ms, TE = 5.7 ms. The T2 sequence utilized a SPACE (Sampling Perfection with Application optimized Contrasts by using different flip angle Evolutions) protocol with the following parameters: field of view (FOV) = 256 × 256 mm, 160 sagittal slices, variable degree flip angle, TR = 3200 ms, TE = 352 ms.

Moser D., Basilakos A., Fillmore P, & Fridriksson J. (2016). Brain damage associated with apraxia of speech: Evidence from case studies. Neurocase, 22(4), 346-356.

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Multimodal Brain Imaging Protocol

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All participants underwent scanning using a 3T Siemens Trio system with a 12-element head coil at the McCausland Center for Brain Imaging (Columbia, SC) within two days of behavioral testing. High-resolution 3D T₁-MRI scans [repetition time (TR) = 2250 ms, inversion time (TI) 925 ms, echo time (TE) = 4.15 ms, flip angle = 9°, field of view (FOV) = 256 mm and voxel size = 1.0 × 1.0 × 1.0 mm] and 3D T₂-MRI scans [TR = 3200 ms, TE = 212 ms, variable flip angle, FOV = 256 mm and voxel size = 1.0 × 1.0 × 1.0 mm] were acquired for determination of lesion size and location. DTI was performed with a single shot gradient echo planar imaging (EPI) sequence using the following parameters: TR = 4987 ms, TE = 79.2 ms, flip angle (α) = 90°, FOV = 207 mm, voxel size = 2.3 × 2.3 × 2.3 mm, slice thickness = 2.3 mm, 36 volumes with noncollinear diffusion directions at a b-value of 1000 s/mm² as well as 5 volumes with a b-value of 0, number of slices = 50. This diffusion sequence was acquired twice, with the second series reversing the phase-encoding direction.

Peters D.M., Fridriksson J., Stewart J.C., Richardson J.D., Rorden C., Bonilha L., Middleton A., Gleichgerrcht E, & Fritz S.L. (2017). Cortical disconnection of the ipsilesional primary motor cortex is associated with gait speed and upper extremity motor impairment in chronic left hemispheric stroke. Human Brain Mapping, 39(1), 120-132.

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Multimodal Brain Imaging Protocol

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All MRI data were collected on a 3T Siemens Trio system with a 12-element head coil. The fMRI (T₂*echo planar imaging) imaging sequence included the following parameters: 320 full brain volumes collected in each of the four 10 min, 24 s runs; 75° flip angle; time repetition (TR)=1.95 s; time echo (TE)=30 ms; in-plane resolution 3.30×3.30 mm; slice thickness=3 mm (no gap); 36 axial slices collected in planes aligned parallel to the anterior–posterior commissure line. To improve coregistration of images, all participants were scanned with a high-resolution T₁ MRI, which yielded a 1 mm isotropic image. This sequence had the following parameters: field of view (FOV)=256×256 mm, 192 saggital slices, 9° flip angle, TR=2250 ms and TE=4.15 ms.

Newman-Norlund R.D., Thrasher J.F., Fridriksson J., Brixius W., Froeliger B., Hammond D, & Cummings M.K. (2014). Neural biomarkers for assessing different types of imagery in pictorial health warning labels for cigarette packaging: a cross-sectional study. BMJ Open, 4(12), e006411.

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