Table 1.

Brain regions displaying significant changes in measured activity (p < 0.001 uncorrected; cluster size >10 voxels, except where noted)

Brain region	MNI coordinates (x, y, z)	Peak t value	Cluster size
Preferred > nonpreferred
L somatosensory cortex	−60, −12, 16	4.19	17 (p < 0.01)
Nonpreferred > preferred
None
Unpredictable > predictable
R medial orbitofrontal cortex including	20, 36, −12	7.31	77
Bilateral nucleus accumbens	0, 16, −8	7.17
Bilateral paracentral lobule	12, −20, 64	6.35	239
L mediodorsal nucleus of thalamus	−4, −20, 4	5.86	12
R cerebellum	44, −68, −24	5.85	12
	16, −76, −28	4.86	26
Predictable > unpredictable
R superior temporal gyrus	56, −40, 16	5.16	98
L precentral gyrus	−48, 4, 36	4.28	14
R lateral orbitofrontal gyrus	32, 16, −16	4.22	13
(Preferred–nonpreferred) × (unpredictable–predictable)
L superior temporal gyrus	−48, −4, −16	3.15	5 (p < 0.01)
(Preferred–nonpreferred) × (predictable–unpredictable)
R insula	44, 20, 12	3.61	17 (p < 0.01)
L posterior cingulate gyrus	−12, −40, 8	3.59	46 (p < 0.01)
R cerebellum	28, −52, −32	3.56	13 (p < 0.01)

L, Left; R, right.