A syndrome (a constellation of symptoms) characterized by clinically significant disturbance in i(cid:374)di(cid:448)idual"s cognition, emotion regulation, or behaviour that reflects a dysfunction in the psychological, biological or developmental processes underlying mental functioning. Mental disorders are usually associated with significant distress or disability in social, occupation or other important activities. Comorbidity when there is more than 1 disorder present. An expectable and culturally sanctioned response to a particular event. Conflicts that are primarily between the individual and society. Conduct disorder precursor that needs to be present before diagnosing anti-social personality disorder. Mild = symptomatology is there, concentration is not good, remembering things is more tasking (harder to do normal everyday tasks) Substance abuse go about their day, but slipping in some drugs and alcohol here and there. Substance dependence (cid:272)a(cid:374)"t li(cid:448)e (cid:449)ithout the drug. Difference between mania and schizophrenia is that mania is based in reality, schizophrenia is not realistic.