Table 2. Activation or deactivation in auditory cortex during stimulation with multi-tone complex.

Patient no., auditory implant, adaptation	Activation in PET
	Side	De-/activation	x a	y a	z a	Z value	T value	p-level b	BA41 c	BA42 c	BA22 c	BA21 c
No. 1, CI left side, partial	left							0.05	0	0	0	0
	right	Activation	34	16	60	4.27	7.56	0.05	0	0	522	0
No. 2, ABI 1 left side, none	left							0.001	0	0	0	0
	right	Activation	62	-32	8	4.33	9.28	0.001	120	38	93	83
No. 3, ABI 2 left side, partial	left	Activation	-62	-46	-24	2.72	3.43	0.05	0	0	0	471
	right	Activation	32	70	0	3.76	5.82	0.05	329	0	867	1584
	right	Activation	62	-46	30	2.30	2.73	0.05	0	27	0	0
No. 5, AMI 2 left side, complete	left	Deactivation	-50	-44	14	4.40	7.42	0.001	100	179	190	617
	right							0.001	0	0	0	0

^a MNI coordinates.

^b Note that different thresholds (p levels) for statistical inferences were used across patients.

^c Voxels in Brodmann Areas.