TABLE 3.

Regions exhibiting differential activation during sustained attention¹

	Talairach coordinates			Cluster extent (voxels)
Brain region (Brodmann's area)	x	y	z
		mm
Placebo versus low dose
DHA > placebo
Right inferior frontal gyrus (BA9)	44	−3	26	445
Right precentral gyrus (BA6)	36	−10	30
Placebo > DHA
Right occipital lobe, lingual gyrus (BA17)	14	−87	3	275
	22	−89	−2
Left occipital lobe, lingual gyrus (BA17)	−8	−90	−4
Placebo versus high dose
DHA > placebo
Left superior frontal gyrus (BA9)	−20	48	36	288
	−26	44	29
Placebo > DHA
Right cerebellum, posterior lobe	8	−81	−21	382
Left cerebellum, posterior lobe	−8	−83	−23
	−10	−82	−35
Low dose versus high dose
High > low
Left parietal lobe (BA43)	−61	−9	17	358
Left temporal lobe (BA42)	−59	−9	10
	−51	−21	1
Right occipital lobe (BA30)	26	−71	9	278
Right posterior cingulate (BA31)	26	−61	14
Right cerebellum, posterior lobe	8	−77	−20	1091
	30	−63	−20
Left cerebellum, posterior lobe	−22	−69	−20

¹DHA, docosahexaenoic acid. Only comparisons that were significant at P < 0.05 (corrected) are included in the table. Larger voxel clusters required more than one set of coordinates.