Table 1.

Neural activity as a function of increased working memory load

Region	Side	BA	Cluster size	Z value	x	y	z
Middle frontal gyrus	Left	9	83	3.91	− 28	32	34
Superior frontal gyrus	Left	8	45	3.53	− 26	8	60
Middle frontal gyrus	Right	8	21	3.33	28	10	60

(x, y, z) corresponds to Montreal Neurological Institute (MNI) coordinates

BA Brodmann area