Table 1.
Selected test results (from first ERP session) presented as means and standard deviations for each hearing amplification group.
| Hearing amplification groups, selected test results | |||
|---|---|---|---|
| Hearing amplification group | Normal hearing (NH) | Hearing aid (HA) | Cochlear implant (CI) |
| Mean (Std) | Mean (Std) | Mean (Std) | |
| Age (months) | 81 (12.0) | 76 (11.9) | 76 (11.0) |
| Raven colored matrices (%) | 85.8 (24.0) | 76.3 (18.7) | 75.3 (24.5) |
| Phonological composite | 86.7 (7.9) | 68.6 (10.8) | 59.3 (17.4) |
| Lexical access | 14.8 (1.8) | 13.6 (4.3) | 9.3 (6.6) |
| Reading skill composite | 0.111 (0.126) | 0.044 (0.07) | 0.083 (0.131) |
| Auditory ERP response | 2.66 (0.66) | 1.69 (0.76) | 2.19 (1.32) |
| N | 12 | 15 | 15 |
The auditory ERP response is the average amplitude at 6 fronto-central electrodes at a latency of 80–220 ms in response to both standards and 4 deviant types in a MMN paradigm (see Uhlén et al., in preparation).