Copyright © American Speech-Language-Hearing Association From: Cochlear Implants in Children, Adolescents, and Prelinguistically Deafened Adults:  Speech Perception J Speech Hear Res. 1992;35(2):401-417. doi:10.1044/jshr.3502.401 Legend: Phoneme scores (out of 30) for the AB word test as a function of age In months. Preoperative lipreading scores (V condition) are marked X. Postoperative llpreading scores are marked O. Preoperative lipreading plus hearing scores (AV condition) are marked *. Postoperative AV scores are marked +. Single subject statistical analysis results are given for the V and AV conditions separately using the same codes as in Figure 1. The additional code “d” is used to indicate that the average postoperative AV score is significantly greater than the average postoperative score in the V condition. Child 1 was not tested with the AB words. Date of download: 12/25/2017 Copyright © American Speech-Language-Hearing Association