Social behavior is a well-known topic of neuroscience research, since it is so often affected in psychiatric disorders. Think of obvious examples such as schizophrenia and autism.
Autism spectrum disorder (ASD) has a strong genetic component – a well-known fact. However, recent studies suggest that environmental factors, such as dietary ingredients, can cause exacerbation of the symptoms.
Hallucinogenic drugs (psychedelics) have a growing significance in biopsychiatric research. Zebrafish are a popular animal model and seem highly sensitive to various drugs of abuse.