Table I.
A: Additional brain activation of right‐handers during bimanual compared with unimanual pantomiming of tool use, alpha (FDR) > 0.05; (B) cerebral activation during eye movements compared with eye fixation, alpha (FDR) > 0.001
| Brain region | BA | Talairach coordinates (Left) | Cluster size | t max | Talairach coordinates (Right) | Cluster size | t max | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| X | Y | Z | X | Y | Z | ||||||
| A: (BiToolRight > UniToolRight) ∩ (BiToolRight > BiControlRight) ∩ (UniToolRight > UniControlRight) | |||||||||||
| Frontal cluster | |||||||||||
| Superior/middle frontal gyrus | 6 | −22 | −5 | 60 | 1,301 | 5.69 | 30 | −10 | 61 | 652 | 5.31 |
| Medial frontal gyrus | 6 | −1 | −5 | 63 | 5.60 | ||||||
| Parietal clusters | |||||||||||
| Precuneus | 7 | −19 | −64 | 46 | 1,149 | 6.00 | |||||
| Intraparietal sulcus | 7/40 | −27 | −50 | 53 | 11,598 | 7.71 | 29 | −47 | 8 | 2,315 | 5.63 |
| Temporal and occipital clusters | |||||||||||
| Occipital gyri | 19 | 16 | −85 | −5 | 2,987 | 6.66 | |||||
| Fusiform gyrus | 37 | −22 | −55 | −13 | 2,948 | 6.15 | 31 | −54 | −17 | 1,574 | 5.60 |
| Middle temporal gyrus | 37 | 41 | −62 | −2 | 4,003 | 5.98 | |||||
| B: Saccadic eye movements > eye fixation | |||||||||||
| Frontal clusters | |||||||||||
| Precentral gyrus | 4 | −26 | −9 | 53 | 6,600 | 15.17 | 34 | −7 | 52 | 3,002 | 17.63 |
| Parietal cluster | |||||||||||
| Superior parietal lobule | 7 | −28 | −53 | 56 | 6,013 | 21.42 | 24 | −54 | 54 | 4,046 | 23.18 |
| Temporo‐occipital cluster | |||||||||||
| Bilateral visual areas | 18 | −2 | −78 | 1 | 43,262 | 32.48 | 3 | −77 | 6 | 38,872 | 31.48 |