Table 2.

Regional differences in gray matter controlling for age and total intracranial volume.

Statistical Contrast	Region	Size (# of voxels)	p-valuea	T score	MNI coordinates (X, Y, Z)b
FW > NFW
	Right putamen	891	0.005	4.54	28, 6, 1
	Left cerebellum	1293	0.001	4.48	−27, −60, −48
	Cerebellar vermis	669	0.013	3.59	−4, −37, −15
	Left putamen	102	0.292	4.02	−21, −10, 4
	Right cerebellum	325	0.070	3.85	21, −58, −48
FW < NFW
	Right ventrolateral prefrontal	705	0.012	4.46	51, 15, 19
	Right dorsolateral prefrontal	517	0.027	3.82	26, 30, 45
	Right medial prefrontal	367	0.056	3.26	−4, 48, −21
	Left medial prefrontal	1346	0.001	5.44	−9, 56, 1
	Right temporal	503	0.028	3.29	70, −28, −12
	Right inferior temporal	14	0.721	2.82	45, −64, −18

^ap-value for comparing farmworkers to non-farmworkers.

^bMNI (Montreal Neurological Institute) coordinates for peak voxel location.

FW = farmworker NFW = non-farmworker