Table 1.

Information about the subjects

Subject	Etiology	Age, years	Age at implantation, years		Duration of deafness		Binaural electrical stimulation experience, years	Test electrodes
			L	R	L	R
CI3	Meningitis	24	21	21	2 months	2 months	3	4/3
CI8	Osteogenesis imperfekta	44	41	39	3 years	12 years	3	7/5
CI10	Sudden hearing loss	54	44	48	9 years	6 years	6	7/8
CI11	Temporal bone fracture	28	22	22	2 years	2 years	6	2/3
CI12	Sudden hearing loss	40	35	34	8 years	3 years	5	2/2

The last column specifies the test electrodes on the left (L) and right (R) sides, respectively. The electrodes are numbered from apex to base.