Multifactorial, with many uncertain factorsįamily history, certain genetic conditions, having older parents, certain prescribed drugs, perinatal and neonatal health issuesīased on combination of clinical observation of behavior and development and comprehensive diagnostic testing completed by a team of qualified professionals (including psychiatrists, clinical psychologists, neuropsychologists, pediatricians, and speech-language pathologists). Social isolation, educational and employment problems, anxiety, stress, bullying, depression, self-harm Psychiatry, clinical psychology, pediatrics, occupational medicineĭifficulties in social interaction, verbal and nonverbal communication, and the presence of repetitive behavior or restricted interests Repetitively stacking or lining up objects is a common trait associated with autism.