Magnetom trio whole body 3t mr scanner

All brain imaging was performed on a Siemens (Erlangen, Germany) MAGNETOM Trio whole-body 3T MR scanner using standard gradients and a 32-channel phased-array head coil for signal reception and the body coil for radio-frequency transmission. Participants laid head-first supine in the scanner. Foam padding was used within the head coil to limit movement. An MR-compatible mirror system was attached to the coil so that subjects could look out to the back of the scanner where an MR-compatible LED screen was mounted. To capture task responses a MR-compatible human input device was given to subjects. On all examination days, high-resolution anatomical scans using a magnetisation-prepared rapid gradient echo (MP-RAGE) sequence were acquired (TR = 2250 ms, TE = 3.03 ms, flip angle = 9°, slice thickness = 1 mm, 256 × 256 in-plane matrix, acquisition time: 5 min 14 s). For the fMRI spatial navigation task, rtfMRI neurofeedback and functional localiser runs, an echo planar imaging sequence was used (TR = 2000 ms, TE = 62 ms, flip angle = 79°, field-of-view = 192 × 192, 64 × 64 in-plane matrix, 32 slices with 3 mm thickness and an inter-slice-gap of 1.2 mm, 140 whole brain volumes and 4 min 40 s acquisition time for the spatial navigation task, 240 whole-brain volumes and 8 min acquisition time for rtfMRI sessions).