Table 1.
Scan parameters of bSSFP and GRE fMRI studies.
| Scan Parameters |
Short TE/TR bSSFP | Long TE/TR bSSFP | GRE | ||||||
|---|---|---|---|---|---|---|---|---|---|
| PC0 | PC1 | PC2 | PC3 | PC0 | PC1 | PC2 | PC3 | ||
| TR (ms) | 10 | 20 | 20 | ||||||
| TE (ms) | 5 | 10 | 10 | ||||||
| PC angle | 0° | 90° | 180° | 270° | 0° | 90° | 180° | 270° | N/A |
| SW (kHz) | 64 | 32 | 32 | ||||||
| flip angle | 16° (2°) | 16° (4°) | 8° | ||||||
| NEX | 2 | 1 | 1 | ||||||
| Common parameters : matrix size = 256 (readout) × 192 (phase-encode), field of view = 2.4 × 2.4 cm2, and slice thickness = 2 mm | |||||||||
SW: spectral width; NEX: number of average, respectively. The flip angles for baseline low-flip angle transition-band bSSFP are given inside the parenthesis.