Table 3.

Coherence in source space

Condition	Attended stream				Multitalker background				Global scene
	Coherence	x	y	z	Coherence	x	y	z	Coherence	x	y	z
δ band
No noise	0.131*	64	−32	6	—	—	—	—	—	—	—	—
	0.109*	−62	−18	0
5 dB	0.068*	64	−24	5	0.009	61	−27	19	0.060*	64	−24	4
	0.081*	−62	−16	6	0.008	−32	50	61	0.071*	−61	−15	6
0 dB	0.084*	64	−20	1	0.009	60	−18	−2	0.064*	64	−20	1
	0.095*	−60	−17	7	0.009	−59	−9	−16	0.073*	−60	−16	7
−5 dB	0.032	62	−21	5	0.011	62	−12	−9	0.016	63	−32	−8
	0.062*	−59	−20	3	0.010	−56	−51	8	0.025*	−58	−21	8
−10 dB	0.015	63	−23	2	0.011	58	−15	1	0.013	59	−17	11
	0.013	−62	−29	−1	0.011	−53	−50	27	0.011	−53	−53	26
θ band
No noise	0.029*	61	−14	5	—	—	—	—	—	—	—	—
	0.019	−61	−16	3
5 dB	0.041*	61	−12	5	0.013*	61	−11	7	0.037*	61	−12	5
	0.030	−61	−19	7	0.011	−49	−19	4	0.028	−61	−19	7
0 dB	0.032*	61	−12	6	0.011*	60	−14	5	0.027*	61	−12	6
	0.025	−61	−18	6	0.011	−61	−21	4	0.021	−60	−17	8
−5 dB	0.019*	61	−12	7	0.012*	59	−12	9	0.016*	61	−10	6
	0.016	−60	−20	6	0.011	−60	−17	0	0.012	−61	−22	2
−10 dB	0.012*	61	−14	10	0.011*	61	−14	1	0.012*	61	−14	2
	0.010	−59	−16	6	0.011	−61	−21	5	0.012	−62	−20	2

Maximum corticovocal coherence values and the corresponding group-level source location expressed in MNI coordinates (x, y, z) for audio signal at various signal-to-noise ratios within δ (∼0.5 Hz) and θ (4–8 Hz) bands.

*p < 0.05.