Table II.

Relation of PET activations and ERP source analysis

PET activations								ERP source analysis
		BA	X	Y	Z	Z score	Figure	X	Y	Z	Distance
Task‐related activations
Episodic/semantic	R post cingulate	23	4	−40	24	3.7	a
R prefrontal	10	22	56	−4	3.6	b	32	25	5	34
Semantic/episodic	L prefrontal	45	−38	30	8	4.0	c
L temporal	21	−46	−38	−12	3.8	d
Item‐related activations
Episodic retrieval
Old/new	L med temporal	28	−36	0	−20	3.9	e	−21	5	−3	23
L med temporal	36	−26	−32	−16	3.8	f
Living/nonliving	R putamen	26	16	−4	3.4
R temporal	22	54	6	0	3.3
Semantic retrieval
Old/new	R prefrontal	45	46	32	8	3.6	g
R prefrontal	44	38	6	16	3.4	h
New/old	R med temporal	28	16	−14	−28	3.9	i	35	−15	−13	24
L ant temporal	38	−38	4	−16	3.9	j
L temporal	37	−36	−54	8	3.6	k
R ant cingulate	24	4	32	0	3.6	l
Living/nonliving	L ant cingulate	32	−4	24	44	3.7	m	5	3	8	24
L frontal	47	−48	24	0	4.0	n
Nonliving/living	R cerebellar	16	−44	−8	3.8

Only subtractions that yielded significant PET activations are listed. BA = Brodmann area. The coordinates are from the atlas of Talairach and Tournoux (1988), where x, y, and z correspond to the right‐left, anterior‐posterior, and superior‐inferior dimensions, respectively. The letters in the figure columns refer to the location of the PET activations depicted in Figure 8. The coordinates for the ERP sources are displayed in the same row as the closest PET activations. Distances of the ERP sources from the PET activations are calculated as the square root of the sum of the squares of the distances in each of the three dimensions.