Definition

Noun: 1. A psychological condition: A type of mental disorder where psychological stress, anxiety, or internal conflict is unconsciously converted into physical symptoms. These symptoms, such as paralysis, blindness, or numbness, have no identifiable neurological or medical cause. 2. A psychosomatic manifestation: The physical symptoms are real and distressing to the person experiencing them, but they are an expression of an underlying psychological issue rather than a disease of the body's systems.

Examples of Usage

• Noun:
  • The patient's sudden blindness was diagnosed as a conversion reaction stemming from severe emotional trauma.
  • Therapy often focuses on helping individuals with a conversion reaction understand the link between their emotional state and physical symptoms.

Advanced Usage

• In clinical/psychiatric contexts: The term is used specifically within psychiatry and psychology to describe a condition listed in diagnostic manuals. It is often discussed in relation to dissociative disorders and somatic symptom disorders.
  • The psychiatrist explained that her paralysis was a classic conversion reaction, a physical representation of her mind's attempt to cope with an unbearable memory.

Variants and Related Words

• Conversion disorder: This is the more modern and commonly used clinical term, essentially synonymous with "conversion reaction."
  • Conversion disorder is listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5).
• Functional neurological symptom disorder: Another contemporary term that encompasses conversion disorder, emphasizing that the symptoms affect nervous system function.
• Hysteria: An older, broader, and now largely outdated term that was historically used to describe conditions including conversion reactions.

Synonyms

• Conversion disorder (clinical synonym)
• Psychogenic disorder (broader term for disorders originating from psychological factors)
• Somatoform disorder (older categorical term for disorders involving physical symptoms with psychological origins)

Related Idioms or Phrases

Note: As a specific clinical term, "conversion reaction" is not typically used in idiomatic expressions. Its usage is almost exclusively technical and academic.

Noun

1. a mental disorder characterized by the conversion of mental conflict into somatic forms (into paralysis or anesthesia having no apparent cause)