Table 2. NIRS Responder Laterality.
| Normal-hearing adults | Normal-hearing children | Deaf children with > 4 mo. CI | Deaf children at CI activation | |
|---|---|---|---|---|
| Side of CI1 | - | - | L:8 (22%) | L:1 (14%) |
| R:22 (59%) | R:6 (86%) | |||
| B:7 (19%) | B:0 (0%) | |||
| HbO Response Laterality | ||||
| Right Only | 1 (11%) | 3 (38%) | 7 (37%) | 3 (43%) |
| Left Only | 3 (33%) | 2 (25%) | 4 (21%) | 1 (14%) |
| Bilateral | 5 (56%) | 3 (38%) | 8 (42%) | 3 (43%) |
| Contralateral Only | - | - | 6 (32%) | 1 (14%) |
| Ipsilateral Only | - | - | 5 (26%) | 3 (43%) |
| HbR Response Laterality | ||||
| Right Only | 3 (27%) | 2 (25%) | 7 (27%) | 2 (40%) |
| Left Only | 3 (27%) | 2 (25%) | 7 (27%) | 1 (20%) |
| Bilateral | 5 (45%) | 4 (50%) | 12 (46%) | 2 (40%) |
| Contralateral Only | - | - | 10 (38%) | 1 (20%) |
| Ipsilateral Only | - | - | 4 (15%) | 2 (40%) |
Values in parentheses are percentages of subjects who completed testing.
1
R: Right, L: Left, B: Bilateral; Subjects who had bilateral cochlear implants were only allowed to use one of them during these testing procedures. This was the one that had been in the longest.