Transcranial direct current stimulation to modulate brain reactivity to food cues in overweight and obese adults: study protocol for a randomized controlled trial with fMRI (NeuroStim-Obesity)

Table 2 MRI data acquisition parameters

Sequence	Main parameters
Resting-state fMRI	TR = 2500 ms, TE = 30 ms, FOV = 192 × 192 mm², 43 slices, 144 volumes, 3.0 × 3.0 × 3.0 mm³, flip angle = 90°
Task-based fMRI	TR = 2500 ms, TE = 23 ms, FOV = 192 × 192 mm², 43 slices, 167 volumes, 3.0 × 3.0 × 3.0 mm³, flip angle = 70°
DTI	TR = 8000 ms, TE = 68 ms, 70 slices, 2 × 2 × 2 mm³, 64 directions (b = 1000 s/mm²)
T1w	TR = 1810 ms, TE = 3.45 ms, TI = 1100 ms, 176 slices, 1.03 × 1.03 × 1.0 mm³, flip angle = 7°
T2w	TR = 3200 ms, TE = 408 ms, 176 slices, 0.45 × 0.45 × 0.9 mm³, flip angle = 120°

Abbreviations: TR Repetition time, TE Echo time, TI Inversion time, FOV Field of view, fMRI Functional magnetic resonance imaging, DTI Diffusion tensor imaging

ISSN: 1745-6215