Diagnostic criteria for research involves:
- Proof that the way person acts, feels, behaves, and expresses emotions is significantly different from the norms and standards accepted in the civilized society.
- A person should demonstrate deviation in his actions and behavior on the example of specific situations.
- Proof that the deviation is long-lasting, does not improve, and certain attacks happen regularly.
- No way to interpret the existing deviation as an outcome of common adolescents’ mental problems.
- Presence of personal distress or negative influence on the community.
- Presence of previous brain trauma/disease.