To provide a an animal with schizophrenic sensorimotor and behavioral abnormalities, a specific protein factor inhibiting development of brain function is administrated to a juvenile animal in the stage of its development and an animal exhibiting sensorimotor and behavioral abnormalities is prepared. As the sensorimotor and behavioral abnormalities observed in the animal of the present invention is very similar to schizophrenia, the animal is useful for development of an anti-schizophrenic medicine and a diagnostic agent for schizophrenia.
展开▼