Table 2.

Coordinates of local maxima for brain regions in which activation during finger motor performance decreased from new learning before to retrieval testing after a 48 h retention interval (n = 8)

Brain region	Coordinates of peak activation	Z	pSVC
Areas in which activation decreased more in the posttraining sleep than wake condition
Lateral premotor cortex
R BA 6	34, 12, 44	3.39	0.045
Primary somatosensory cortex
R BA 2	38, -22, 20	2.92	0.195
Areas in which activation decreased more in the posttraining wake than sleep condition
No suprathreshold clusters
Areas in which activation selectively decreased in the posttraining sleep condition
Prefrontal cortex
R BA 46	44, 24, 12	2.30	0.142
L BA 9	-10, 36, 24	3.70	0.045
Anterior cingulate cortex
R BA 32	12, 34, 44	3.28	0.189
Lateral premotor cortex
R BA 6	34, 12, 42	4.76	0.002
Primary motor cortex
L BA 4	-62, -2, 20	2.86	0.160
Primary somatosensory cortex
R BA 2	40, -24, 22	3.36	0.092
L BA 2	-44, -12, 32	2.54	0.327
Areas in which activation selectively decreased in the posttraining wake condition
No suprathreshold clusters

All results are significant at p < 0.005, uncorrected. R, Right hemisphere; L, left hemisphere; BA, Brodmann area.