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

Table 4

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

Brain structure	Cluster size
L middle frontal gyrus	149			52	7.90
L insula	74		17	4	6.71
R superior frontal gyrus	55	27	2	61	6.10
L supplementary motor area	80	0	23	46	5.85
R insula	23	33	23		5.78
L inferior frontal gyrus, triangular part	16		20	22	5.04

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