Table 2 MRI sequence parameters and additional recordings

Day 1

#1 High resolution T1-weighted image^LOC

Sagittal FSPGR 3D BRAVO, TE 2.3 ms, TR 6.2 ms, TI 450 ms, FA 12°, FOV 25.6 × 25.6 × 20.0 cm³, matrix 256 × 256 × 200, FDir S/I (7.2 min)

None

#2 Resting state functional MRI (rs-fMRI)

2D Gradient Echo EPI, oblique, AC-PC alignment, FA 90°, TE 30.0 ms, TR 2.5 s, interleaved/ bottom-up, no dummy scans, FOV 24.0 × 24.0 cm², ST 3.0 mm, SP 0.5 mm, 42 slices, matrix 96 × 96, FDir R/L, acceleration factor 2, 155 volumes (6.5 min)

Eyetracking/ pupillo-metry, respiration belt, PPG

#3 EPI image with high tissue contrast

2D Spin Echo EPI, same geometry as #2, TE 37.6 ms, TR 10 s, FOV 24.0 × 24.0 cm², ST 2.5 mm, SP 0.5 mm, matrix 96 × 96, FDir R/L, acceleration factor 2, no dummy scans, 2 volumes (0.7 min)

none

#4 Time estimation task

As #2, 224 volumes (9.3 min)

Eyetracking/ pupillo-metry,respiration belt, PPG

#5 FLAIR

2D axial Fluid Attenuated Inversion Recovery, TE 160 ms, TR 11 s, TI 2250 ms, refocusing FA 111°, FOV 22.0 × 22.0 cm², ST 4.0 mm, SP 0.8 mm, matrix 352 × 224, FDir A/P (4.4 min)

none

#6 Reward anticipation task

As #2, 230 volumes (9.5 min)

Eyetracking/ pupillometry, respiration belt, PPG

#7 Whole brain Diffusion Tensor Imaging (DTI)

2D Spin Echo DTI, TE 60.9 ms, TR 8 s, interleaved/ bottom-up, 66 diffusion directions, 5 initial B0 images, FOV 25.6 × 25.6 cm², ST 2.0 mm, SP 0 mm, 60 slices, matrix 128 × 128, Fat Saturation

B0 images repeated using an inverted phase sampling for later unwarping of geometric distortions (9.6 min)

none

#8 Verbal n-back task

As #2, 200 volumes (8.3 min)

Eyetracking/ pupillo-metry, respiration belt, PPG

Day 2

#9 Face matching task^LOC

As #2, 230 volumes (9.6 min)

Eyetracking/ pupillometry

#10 EPI image with high tissue contrast

As #3 (0.7 min)

none

#11 rs-fMRI

As #2 (6.5 min)

Eyetracking/ pupillometry

#12 Imaging stress test (IST)

Gradient Echo, oblique, AC-PC alignment, FA 90°, TE 20.0 ms, TR 2.0 s, interleaved/bottom-up, no dummy images, FOV 24.0 × 24.0 cm², ST 3.0 mm, SP 0.5 mm, 40 slices, matrix 96 × 96, FDir R/L, acceleration factor 2, 760 volumes (25.3 min)

Skin conductance level, pulse, PPG, ECG, repeated blood samples

#13 rs-fMRI^LOC

As #2 (6.5 min)

none