When a child has surgery for focal epilepsy.
D001921:Brain / Q000601:surgery*; D002675:Child, Preschool; D004569:Electroencephalography; D004828:Epilepsies, Partial / Q000175:diagnosis / Q000601:surgery*; D005073:Evoked Potentials, Somatosensory; D005260:Female; D006801:Humans; D010290:Parents / Q000523:psychology; D010371:Pediatric Nursing