NEUROBEHAVIORAL AND PSYCHOSOCIAL FUNCTIONING OF CHILDREN WITH OPSOCLONUS‐MYOCLONUS SYNDROME

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Abstract
Childhood opsoclonus-myoclonus syndrome (OMS) is a movement disorder which typically strikes children in the early preschool years, seriously affecting intellectual, social-emotional and general adaptive development. This series of 13 cases with well-documented neurological histories, aged 1.7 to 16.3 years, provides an initial systematic evaluation of these children's neuropsychological, psychosocial and adaptive status. As expected, children with OMS had significantly reduced intelligence and severe speech and motor output problems; however, most of them also demonstrated a range of preserved neurocognitive abilities and impressive goal-directedness and communicative effort. Psychosocial problems included mild behavioral impairment on the Achenbach Child Behavior Checklist, and severe adaptive limitations on the Vineland Adaptive Behavior Scales despite relatively strong social skills. Developmental factors and likelihood of subcortical localization are discussed, and practical guidelines are provided for behavioral and educational management of these children.