Psychological disorders Mental illness Psychiatric disorders ❖ Mental health vs Mental illness▪ A mental illness is an illness the affects that way people think, feel, behave, interact with others and preventing him or her from leading a happy▪ Mental health is the same way. Just as someone who feels unwell may not have a serious illness, people may have poor mental health without a mentalillness.❖ Factors❖ Classification / Criteria The DSM-5 and ICD-11 are the medical manuals in the world for classifying diseases and disorders.❖ Biopsychological model