| ADS-L | General Depression Scale (long version questionnaire) |
| AHL | Asymmetric Hearing Loss |
| CI | Cochlear Implant |
| FS | Freiburg Monosyllable Test (speech Intelligibility test) |
| GAD-7 | Generalized Anxiety Disorder 7 |
| NCIQ | Nijmegen Cochlear Implant Questionnaire (health-related quality of life) |
| OI | Oldenburg Inventory |
| PSQ | Perceived Stress Questionnaire |
| TQ | Tinnitus Questionnaire |