Table 5.

Patient choices for categories of background sounds.

Subject	Noise		Tones		Music	Environmental sounds
	Modulated	No modulation	Modulated	No modulation
1	1		1			2
2		1	1			1
3		1	1			2
4	1					2
5					1	3
6			1			1
7		3
Total	2	5	4	0	1	11

Note. Subjects 2 and 7 are the same person; when this subject was tested a second time, he had already experienced other sounds.