Trying to Put the Puzzle Together: Age and Performance Level Modulate the Neural Response to Increasing Task Load within Left Rostral Prefrontal Cortex

Table 2

Localization and statistics of the peak voxels for the main effect of load (whole-brain analysis).

Brain structure	Cluster size
L inferior frontal gyrus, triangular part/insula	384		20	4	23.16
L superior frontal gyrus, medial part	527		23	43	22.62
R insula	207	36	20		21.05
L middle frontal gyrus	54		5	55	12.10
L precentral gyrus	69		2	34	11.21
R middle frontal gyrus	94	27	44	16	10.12
R middle frontal gyrus	32	27	5	58	9.34
L middle frontal gyrus	26		53	7	9.17

Note. Threshold of Z ≥ 3.1. All coordinates () are given in MNI space. L = left; R = right.