Recruitment

Eligibility

Study	Population	Age (months)	Target N
VI LENA	VI	6-30	16
HI LENA	HI	6-9 months post-implant	16
HI LENA	TD	age/hearing age matched to HI	32
VI-Vid	VI	6-30	16
HI-Cat	HI	14-30	16
HI-Cat	TD	age/hearing age matched to HI	32
HImp	HI	14-30	16
HImp	TD	age/hearing age matched to HI	32
VImp	TD	14-20	48
ELSSP	HI	0-36	100
VI CDI	VI	6-48	50
HI CDI	HI	6-30	50