CNTNAP2 and schizophrenia: Additionally, treatment with the antipsychotic drug risperidone alleviated excessive grooming and hyperactivity in rodent models of autism, suggesting a potentially useful therapeutic intervention that could improve certain symptoms of autism related disorders and schizophrenia through increasing the number of GABAergic interneurons and potentially restoring the function of CNTNAP2 variants-related defects of K+ channels35,36.