Table 3.

Group differences in memory load‐dependent connectivity during each phase of the task

Seed	Region	Voxels	X	Y	Z	p value	ηp 2
Encoding phase (4 > 2 arrays)
Control > PD
L putamen	LSFG (BA 8), DLPFC (BA 9)	74	−26	43	35	.00002	.28
R mdThalamus	L IFG (BA 10), DLPFC (BA 46)	67	−41	51	6	.00003	.27
PD > control
L MFG (BA 6)	R precuneus	148	26	−73	28	.0004	.20
	L MO, fusiform (BA 19,37)	146	−34	−66	−9	.0002	.22
	R STG, MTG (BA 21,22)	134	54	−51	3	.0002	.22
Control = PD
R caudate	B anterior cingulate	41	2	46	−8	.62	.004
Retrieval phase (4 > 2 arrays)
Control > PD
L DLPFC (BA 9)	R precuneus, cuneus	90	20	−75	43	.00001	.29
B preSMA	B precuneus, PC	139	1	−64	37	.00004	.26
	R IFG, insula (BA 13,47)	68	36	23	−9	.00004	.26
B PC	L thalamus, caudate tail	95	−8	−18	15	.00001	.29
Control = PD
L MFG BA6	L MOC (BA 19)	46	−41	−73	9	.73	.002
R precuneus	R PC	43	15	−43	17	.10	.048
R putamen	L cerebellar tonsil	60	−24	−55	−41	.59	.005
	L precuneus	50	−28	−66	41	.29	.02

Note: X, Y, Z coordinates are from the MNI atlas. p values (uncorrected) and η_p ² values are based on ANCOVA tests for the group by memory load interaction. All significant uncorrected p values remained significant after the FDR adjustment (q < .05).

Abbreviations: B, L, and R, bilateral, left, and right hemispheres; BA, Brodmann area; DLPFC, dorsal lateral prefrontal cortex; IFG, inferior frontal gyrus; mdThalamus, mediodorsal thalamus; MFG, middle frontal gyrus; MTG, middle temporal gyrus; MOC, middle occipital; PC, posterior cingulate; SMA, supplementary motor area; STG, superior temporal gyrus.