Table 3.
Results of fMRI analysis. See text.
| MNI Coordinates |
||||
|---|---|---|---|---|
| Location | X | Y | Z | Z-score |
| Main Effect Reason (Reason – Baseline) | ||||
| Right Inferior PFC (BA 45/47) | 46 | 24 | −4 | 4.50 |
| Right ventrolateral PFC (BA 47) | 30 | 32 | −16 | 3.61 |
| Left ventrolateral PFC (BA 47) | −32 | 30 | −20 | 2.98 |
| Middle Frontal Gyrus (BA 9) | 52 | 24 | 36 | 2.99 |
| Left Superior Frontal Gyrus (BA9) | −10 | 50 | 44 | 2.98 |
| Middle/Inferior Temporal Gyrus (BA 20/21) |
−52 | −22 | −20 | 3.79 |
| Left Superior Parietal Lobule (BA 7) | 26 | −78 | 34 | 4.80 |
| Right Superior Parietal Lobule (BA 7) | −22 | −72 | 34 | 4.44 |
| Inferior Occipital Gyrus (BA18) | −32 | −88 | 0 | 3.81 |
| Fusiform Gyrus (BA 18) | −32 | −90 | −14 | 3.15 |
| Main Effect of Familiarity | ||||
| Familiar trials – unfamiliar trials | ||||
| Left lateral PFC (BA 45) | −54 | 26 | 8 | 3.58 |
| Right superior parietal lobule (BA 7) | 34 | −60 | 64 | 3.38 |
| Left superior occipital gyrus (BA 19) | −30 | − 86 | − 24 | 3.14 |
| Unfamiliar trials – familiar trials | ||||
| Posterior cingulated gyrus (BA 30) | −10 | −42 | 18 | 4.03 |
| Right orbital prefrontal cortex (BA 25) | 14 | 8 | − 20 | 3.47 |
| Main Effect of Determinacy | ||||
| Indeterminate trials – determinate trials | ||||
| Right dorsolateral PFC (BA 9) | 42 | 30 | 32 | 3.49 |
| Right ventral lateral PFC (BA 47) | 36 | 28 | −22 | 3.01 |
| Determinate trials – indeterminate trials | ||||
| Right inferior parietal lobule (BA 40) | 44 | − 42 | 28 | 2.99 |
| Determinacy × Familiarity Interaction Analysis | ||||
|
([indeterminate unfamiliar - indeterminate familiar] - [determinate unfamiliar - determinate familiar]) |
||||
| Right Ventrolateral PFC (BA 47) | 38 | 10 | −10 | 4.24 |
| (extending into insula) | 52 | 16 | −10 | 3.45 |
|
([indeterminate familiar - indeterminate unfamiliar] - [determinate familiar - determinate unfamiliar]) |
||||
| Right Parietal Cortex (BA 7) & precuneus | 24 | −56 | 32 | 4.77 |
| Left ventrolateral PFC (BA 47) | −34 | 24 | −8 | 3.01 |
|
Determinacy × Familiarity interaction analysis (restricted to inconsistent trials) | ||||
|
([indeterminate unfamiliar - indeterminate familiar] - [inconsistent unfamiliar - inconsistent familiar]) |
||||
| Right Ventrolateral PFC (BA 47) | 36 | 28 | −22 | 3.46 |
| (extending into insula) | 42 | 12 | −10 | 3.55 |
|
([indeterminate familiar - indeterminate unfamiliar] - [inconsistent familiar - inconsistent unfamiliar]) |
||||
| Right Parietal Cortex (BA 7) & precuneus | 24 | −56 | 32 | 4.81 |
| Left lateral PFC (BA 45) | −50 | 36 | 2 | 3.17 |