High-Resolution Diffusion Imaging Protocol

Data were acquired on a modified 3T Skyra System (Siemens) using a 32-channel coil. A T1-weighted structural image was acquired (TR = 2400ms; TE = 2.14ms; TI = 1000ms; flip angle = 8°; voxel size = .7x.7x.7mm) [28 (link)]. Diffusion acquisition involved a spin-echo EPI sequence [29 (link), 30 (link)] with multiband EPI [31 (link), 32 ] and 270 diffusion-weighted directions (TR = 5520ms; TE = 89.5ms; flip angle = 78°; refocusing flip angle = 160°; voxel size = 1.25x1.25x1.25mm; multiband factor = 3; b-values = 1000, 2000, 3000 s/mm²) [28 (link), 33 (link)].

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Matyi M.A, & Spielberg J.M. (2022). The structural brain network topology of episodic memory. PLoS ONE, 17(6), e0270592.

Publication 2022

3T Skyra System

Diffusion Echo

Corresponding Organization : University of Delaware

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Variable analysis

independent variables

Magnetic field strength (3T)
Imaging sequence (T1-weighted structural imaging, diffusion-weighted imaging)
Diffusion acquisition parameters (spin-echo EPI sequence, multiband EPI, 270 diffusion-weighted directions, b-values of 1000, 2000, 3000 s/mm^2)

dependent variables

Structural and diffusion-weighted imaging data

control variables

Acquisition device (Siemens Skyra System)
Coil (32-channel)
Imaging parameters (TR, TE, TI, flip angle, voxel size)

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