Definition

Noun: A severe mental illness characterized by alternating periods of extreme emotional and behavioral states, specifically episodes of mania (or hypomania) and major depression. It is a historical term largely synonymous with what is now clinically referred to as bipolar disorder.

Usage

This term is used to describe the condition formally. It is important to note that "manic-depressive psychosis" is an older clinical term. In contemporary medical and psychological contexts, the preferred diagnostic terms are "bipolar disorder" or "bipolar affective disorder."

• Example:
  • The patient was diagnosed with manic-depressive psychosis, experiencing cycles of euphoric energy followed by profound despair.
  • Historical textbooks often classified the illness as manic-depressive psychosis.

Advanced Usage

• The term "psychosis" within "manic-depressive psychosis" specifically refers to the potential for severe manic or depressive episodes to include psychotic features, such as delusions or hallucinations.
• It is often used in historical, legal, or literary contexts to describe the condition.

Variants and Related Words

• Bipolar Disorder (n): The modern diagnostic term that has largely replaced "manic-depressive psychosis." It encompasses several types (e.g., Bipolar I, Bipolar II).
• Manic-Depressive Illness (n): A slightly less clinical variant of the term.
• Affective Psychosis (n): A broader category of psychotic disorders where the primary disturbance is in mood.

Synonyms

• Bipolar disorder
• Manic-depressive illness
• Bipolar affective disorder

Related Phrases

• Manic episode: A distinct period of abnormally and persistently elevated, expansive, or irritable mood.
• Depressive episode: A distinct period of persistently depressed mood or loss of interest in activities.

Notes on Usage

• The term "manic-depressive psychosis" is considered outdated and potentially stigmatizing in modern clinical practice. The word "psychosis" can be misleading, as not all individuals with bipolar disorder experience psychotic symptoms. Using contemporary terminology like "bipolar disorder" is generally preferred for accuracy and sensitivity.

Noun

1. a mental disorder characterized by episodes of mania and depression