

If this is true, then the method of treatment should also be biomedical in nature, aiming to reduce the symptoms of the disorder through a strictly scientific, neurochemical approach. The biomedical approach views the root of these disorders as a physiological imbalance or disturbance. These are frameworks, or perspectives, used to guide professional therapies and treatment for a psychological disorder. It may also be helpful to keep in mind the biomedical and biopsychosocial approaches to treatment. Within this guide, we’ll go over several key types of psychological disorders, their biological basis, and much more. In recent decades, we have learned a great amount about the physiology of these disorders and are able to classify them with increasing specificity. There are 20 different classes of psychological disorders defined by the DSM.
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The Diagnostic and Statistical Manual of Mental Disorders (DSM) is a standardized resource used to assist clinicians in classifying and diagnosing these disorders.

Psychological disorders are a characteristic set of feelings, thoughts, or behaviors that differ from the cultural norm and can cause distress to the individual suffering from them.

Part 1: Introduction to psychological disorders
