S3-1 Chronic pain and psychiatric disorders: Brain imaging research of somatoform disorders

Hypersensitivity and hyperalgesia in somatoform pain disorders.

OBJECTIVE In psychiatry, pain disorders not explained by structural lesions have been classified for decades as somatoform pain disorders, the underlying concept being somatization. In a parallel move, somatic medicine has defined an expanding group of similar pain disorders, known as functional pain syndromes. Functional pain syndromes are characterized by enhanced pain sensitivity. The aim of...

Somatoform disorders.

The somatoform disorders are a group of psychiatric disorders that cause unexplained physical symptoms. They include somatization disorder (involving multisystem physical symptoms), undifferentiated somatoform disorder (fewer symptoms than somatization disorder), conversion disorder (voluntary motor or sensory function symptoms), pain disorder (pain with strong psychological involvement), hypoc...

Somatoform Disorders

In addition to the Somatoform Disorders, as listed in DSM-IV, such as Somatization Disorder (SD), Conversion Disorder (CD), Hypochondriasis (HD), Body Dysmorphic Disorder (BDD), Pain Disorder, and Undifferentiated Somatoform Disorder (USD), there are a group of disorders called “Functional Somatic Syndromes” (4), such as Chronic Fatigue Syndrome, Irritable Bowel Syndrome, or Fibromyalgia. Facti...

Neurobiological and clinical relationship between psychiatric disorders and chronic pain.

Pain is one of the most ubiquitous problems of today's world, its impact being far-reaching. Current conceptualizations of pain medicine adopt a bio-psycho-social perspective. In this model, pain is best described as an interactive, psycho-physiological behavioral pattern that cannot be divided into independent psycho-social and physical components. Neurophysiologic substrates of the pain exper...

Dissociative and Somatoform Disorders