This quasi-longitudinal descriptive case study evaluated problem behavior for an adolescent boy with developmental disabilities via repeated functional behavioral analysis (FBA) probes during a blinded cross-over from the atypical neuroleptic Risperdal (Risperidone) to Seroquel (Quetiapine). The repeated FBA probes showed no medication differences…

The two part presentation presents information on specific conditions of developmental delay and suggests intervention approaches. Three causes of mental retardation (Down's syndrome, Fetal Alcohol Syndrome, and cerebral palsy) are identified and described in terms of definition, incidence, characteristics, and educational implications. Part II is…