Table 3.

Brain activation contrasts between speech and non-speech tasks

Region	Approximate BA	x	y	z	t
Speech Target Presentation > Non-Speech Target Presentation
No regions found significant
Non-Speech Target Presentation > Speech Target Presentation
Left Mid. Frontal gyrus	8	−29	17	41	6.86
Right Mid. Temporal gyrus	21	59	−47	8	6.49
Left Inf. Parietal lobule	40	−46	−49	39	6.01
Right Precuneous	17/18/31	1	−62	26	5.82
Speech Production > Non-Speech Production
Right Anterior cingulate gyrus	32	4	40	−7	5.79
Right caudate	N/A	19	20	6	4.48
Non-Speech Production > Speech Production
Left precentral gyrus/IFG	44	−55	2	12	4.53
Right Precentral g./Insula	44	45	−1	9	5.7
Cing g./SMA	6	0	1	46	6.72
Left Inf. Parietal lobule/SMG	40	−56	−25	26	5.74
Right SMG	40	47	−42	34	4.1
Left Cerebellar culmen	N/A	−9	−46	−8	5.67