| | Sex | Males | 11 | | Females | 5 |
| | Age | 6–14 years | (Median 10 years) |
| | Causes | Cerebral palsy | 10 (3 epilepsy) | | Genetic syndromes | 4 (2 epilepsy) | | Oligodendroma | 1 (epilepsy) | | Global delay/autism | 1 |
| | Previous surgery |
1 male: bilateral tympanic neurectomies and unilateral chorda tympani neurectomy |
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