Neuronal Substrates Underlying Performance Variability in Well-Trained Skillful Motor Task in Humans

Table 3

Brain regions active during execution period (TASK image).

Brain areas	Coordinates of peaks			-value
	Right hemisphere
6	2	−6	70	4.29
LG	14	−90	−14	3.60
18	22	−86	−16	3.41
17	22	−94	−16	3.40
Vermis	6	−64	−26	6.28
Lobule V	2	−56	−2	5.03
Lobule VI	22	−56	−26	6.77
Lobule VIIa	40	−72	−24	4.13
Left hemisphere
SFG	−22	−8	56	4.53
6	−40	−18	64	4.98
4a	−34	−24	56	5.37
1	−54	−20	48	5.41
2	−38	−30	46	5.66
PFop	−56	−20	28	5.05
Lobule VI	−20	−62	−24	4.95

For anatomical identification of peaks, we used the same criterion adopted in Table 1. SFC: superior frontal gyrus. LG: lingual gyrus.