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Table 2.

Areas of Significant Clusters of Preview-related Activity, Averaged across Quadrants, for Behavioral Previewers Compared to Non-previewers (Extent Threshold = 50, p = .05)

Contrast	Structure	Location x, y, z (mm)	Z Score	Volume (Voxels)
Preview (search and only)–full (search and dummy)	L Lateral occipital cortex/precuneus	−24, −64, 32	2.56	239
	L Lateral occipital cortex	−42, −74, 16	2.84	115
	L Precuneus	−12, −54, 56	2.14	75
	L Precentral gyrus	−24, −6, 46	3	67
	L Supramarginal gyrus	−54, −24, 26	2.33	67
	L Superior frontal gyrus	0, 32, 52	2.22	59
Preview only–dummy	L Lateral occipital cortex/precuneus	−22, −64, 32	3.07	414
	R Precentral gyrus	48, 4, 26	2.25	194
	R Lateral occipital cortex/SPL	36, −62, 52	2.73	80
	L Lateral occipital cortex	−42, −74, 16	2.41	71
	L Cingulate gyrus	−6, −28, 34	2.44	50
	R Cingulate gyrus	10, −42, 38	2.14	50
Preview search–full search	L Lateral occipital cortex/SPL	−28, −62, 60	2.64	189
	L Postcentral gyrus	−52, −26, 50	2.38	100
	L Lateral occipital cortex	−40, −74, 16	2.54	92
	L Precentral gyrus	−24, −6, 48	3.44	91
	R Middle temporal gyrus	46, −46, 12	2.7	69

Contrast	Structure	Location x, y, z (mm)	Z Score	Volume (Voxels)
Preview (search and only)–full (search and dummy)	L Lateral occipital cortex/precuneus	−24, −64, 32	2.56	239
	L Lateral occipital cortex	−42, −74, 16	2.84	115
	L Precuneus	−12, −54, 56	2.14	75
	L Precentral gyrus	−24, −6, 46	3	67
	L Supramarginal gyrus	−54, −24, 26	2.33	67
	L Superior frontal gyrus	0, 32, 52	2.22	59
Preview only–dummy	L Lateral occipital cortex/precuneus	−22, −64, 32	3.07	414
	R Precentral gyrus	48, 4, 26	2.25	194
	R Lateral occipital cortex/SPL	36, −62, 52	2.73	80
	L Lateral occipital cortex	−42, −74, 16	2.41	71
	L Cingulate gyrus	−6, −28, 34	2.44	50
	R Cingulate gyrus	10, −42, 38	2.14	50
Preview search–full search	L Lateral occipital cortex/SPL	−28, −62, 60	2.64	189
	L Postcentral gyrus	−52, −26, 50	2.38	100
	L Lateral occipital cortex	−40, −74, 16	2.54	92
	L Precentral gyrus	−24, −6, 48	3.44	91
	R Middle temporal gyrus	46, −46, 12	2.7	69