Formerly known as Multiple Personality Disorder, Dissociative Identity Disorder is characterized by the presence of two or…
Disassociation (often spelled dissociation) is a mental process where a person disconnects from their thoughts, feelings, memories,…
Dialectical Behavior Therapy is an evidence-based psychotherapy developed by Dr. Marsha Linehan, specifically designed to treat individuals with…
Depression (Major Depressive Disorder) is a mood disorder characterized by persistent sadness, loss of interest (anhedonia), and…
Depersonalization/Derealization involves persistent or recurrent feelings of detachment. Depersonalization is a sense of being disconnected from one’s…
Dependent Personality Disorder involves a pervasive psychological dependence on others. Individuals with this disorder often have difficulty…
Dementia is a progressive decline in cognitive function severe enough to interfere with a person’s ability to…
Delusional Disorder is characterized by one or more persistent delusions (fixed false beliefs) lasting at least one…
Delirium is an acute and often fluctuating disturbance of consciousness and cognition. It typically presents with confusion,…
Cyclothymia (Cyclothymic Disorder) is a milder yet chronic mood disorder characterized by fluctuations between low-level depressive symptoms…