Abnormal Psychology: Mental Health and Mental Illness

Major Mental Illnesses

Are some psychiatric disorders more genetically based than others?

Different psychiatric disorders vary as to the relative importance of genetics or environment. The most severe mental illnesses, such as schizophrenia, bipolar disorder, autism, and obsessive compulsive disorder, are seen to have a strong genetic component with environment playing a largely supportive role. Disorders such as post-traumatic stress disorder, dissociative disorders, and various personality disorders have a much stronger environmental component, with genetics playing a more supportive role.


This is a web preview of the "The Handy Psychology Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App