Table 3.
L/R brain region | Z-score | Coordinates (x, y, z) | Cluster size |
---|---|---|---|
HIGH VS. LOW INTENSE PLAYS | |||
Frontal cortex | |||
R inferior frontal PFC (BA 46) | 3.49 | 45, 38, 4 | 21 |
Anterior and superior medial PFC (BA 8/9) | 3.43 | 0, 41, 49 | 73 |
L inferior PFC (BA 47/45) | 3.36 | −49, 26, 0 | 13 |
Posterior regions | |||
L parahippocampal gyrus/lingual gyrus (BA 18) | 4.29 | −15, −53, 4 | 167 |
R parahippocampal gyrus/lingual gyrus (BA 19) | 3.91 | 19, −56, −4 | 181 |
L temporo-parietal junction (BA 39/40) | 3.79 | −49, −68, 41 | 145 |
Temporal lobes | |||
L inferior temporal gyrus (BA 20) | 3.12 | −60, −34, −15 | 5 |
R hippocampus/amygdala* | 2.79 | 34, −8, −15 | 4 |
POSITIVE VS. NEGATIVE PLAYS | |||
R middle frontal gyrus (BA 9) | 3.31 | 34, 30, 30 | 21 |
L middle frontal gyrus (BA 6) | 3.27 | −34, 0, 53 | 5 |
L superior temporal gyrus/inferior frontal gyrus/insula (BA 38/47/13) | 3.18 | −45, 11, −8 | 27 |
R precuneus (BA 7) | 3.08 | 8, −34, 45 | 5 |
NEGATIVE VS. POSITIVE PLAYS | |||
R thalamus | 3.31 | 19, −23, 0 | 6 |
L striatum (caudate) | 3.25 | −23, −34, 11 | 38 |
R postcentral gyrus/parietal lobe (BA 5) | 3.17 | 26, −45, 68 | 6 |
L posterior insula (BA 13) | 3.13 | −34, −26, 19 | 5 |
R postcentral and precentral gyri (BA 3/6) | 3.10 | 49, −15, 53 | 30 |
VALENCE (POSITIVE VS. NEGATIVE) BY INTENSITY INTERACTION | |||
R striatum (caudate) | 3.49 | 4, 15, 4 | 21 |
R amygdala | 3.19 | 15, −4, −19 | 14 |
L inferior frontal gyrus (BA 47) | 3.14 | −34, 19, −19 | 16 |
Main effects of arousal, valence, and their interaction are indicated. Coordinates are in Montreal Neurologic Institute stereotaxic space.
BA, Brodmann area; L, left hemisphere; PFC, prefrontal cortex; R, right hemisphere.
*p < 0.005.