Classification and Diagnosis

Definition Anxiety disorder is a mental health condition characterized by excessive fear or worry...

Definition Biological markers of mental illness, often called biomarkers, are measurable changes ...

Definition Comorbidity in psychology refers to the occurrence of two or more psychological disord...

Definition In psychology, diagnosis refers to the process of identifying and labeling mental heal...

Definition The diathesis-stress model is a psychological framework that explains how mental healt...

Definition Dissociative disorders are a group of mental health conditions characterized by disrup...

Definition Harmful dysfunction refers to a concept introduced by Jerome Wakefield in 1992 to defi...

Definition Mood disorders are a category of mental health conditions that involve persistent and ...

Neurodevelopmental Disorders Neurodevelopmental disorders are conditions that originate in the de...

Definition Obsessive-Compulsive and Related Disorders (OCRDs) are a group of mental health condit...

Definition Personality disorders are a group of mental health conditions characterized by long-te...

Definition A psychological disorder, also known as a mental disorder, refers to conditions that a...

Definition Psychopathology refers to the study of mental disorders or psychological disturbances ...

Definition Psychotic disorders are a group of mental health conditions characterized by disturban...

Definition Trauma and Stressor-Related Disorders are mental health conditions that develop in res...