Trastorno de conversión: History of the disorder

· History There has been a long history of symptoms without any underlying physical cause. en mujeres, the term Female hysteria was used to refer to a wide spectrum of symptoms ranging from fainting to anxiety. As a term it goes back over 2000 years and was thought to relate to abnormal motions of the uterus. Conversion disorder ( describes a condition in which physical symptoms arise for which there is no clear explanation. The term stems from the 19th century European conception of hysteria, which itself can be traced back to Ancient Egyptian papyri from the 16th century BC. From the 17th century onwards, Thomas Willis, Robert Whytt and others increasingly realised the problem was in fact localised to the brain and mind. In the 19th century, physicians such as Weir Mitchell in the US and Briquet and Jean-Martin Charcot in France developed increasingly sophisticated ideas about patients with these neurological symptoms which would now be classed as neuropsychiatric. They developed complex aetiological models which incorporated biological, psychological and social factors and distinguished general predisposition from the mechanism of the symptom. In the 20th Century, Freudian psychodynamic ideas were prevalent. The term "Trastorno de conversión" is a legacy of Freud and the psychotherapy movement. He viewed these apparently neurological symptoms as a result of the conversion of intrapsychic distress in to physical symptoms. It is worth bearing in mind that much of Freud's work is now viewed with scepticism, and it may be that patients Freud thought were hysterical may actually have suffered from organic illness, como "Anna O." (see Alison Orr-Andrewes, "The case of Anna O: A Neuropsychiatric perspective" in Journal of the Psychoanalytic Association 1987, Vol 35 p.399).  Patients with conversion and hysteria led Sigmund Freud to his theories on the unconscious and the talking cure, and the same patient population intrigued such physicians as Pierre Janet, J. M. Charcot, and Josef Breuer. Freud theorized that unacceptable emotions led to psychological conflict that was then converted into physical symptoms. Much recent work has been done to identify the underlying causes of the somatoform disorders as well as to better understand why conversion and hysteria appear more commonly in women. Current theoreticians tend to believe that there is no single reason that people tend to somatize, or use their bodies to express emotional issues. En lugar de, the emphasis tends to be on the individual understanding of the patient as well as on a variety of therapeutic techniques. In the 1960s the London Psychiatrist Eliot Slater recognised that finding a life event just before the onset of a symptom was an entirely unreliable way of diagnosing conversion disorder “Unfortunately we have to recognise that trouble, discord, anxiety and frustration are so prevalent at all stages of life that their mere occurrence near to the time of onset of an illness does not mean very much”- Eliot Slater He also suggested that conversion disorder was largely a 'delusion and a snare' since many of the people said to have it would eventually go on to develop a neurological disease that in hindsight could explain their original symptoms Studies since 1970 have shown that misdiagnosis still occurs but at a rate of around 5% which is the same as for other neurological and psychiatric symptoms (Stone et al BMJ 2005).  Historically Conversion disorder was thought to manifest itself in many different ways. Conversion disorders were thought to be triggered by acute psychosocial stress that the individual could not process psychologically. This overwhelming distress was thought to cause the brain to unconsciously disable or impair a bodily function which would relieve or prevent the patient from experiencing this stressor again. This is in stark contrast to the modern understanding that patients remain distressed by their symptoms in the long term (Stone et al JR Soc Med 2005; 98:547-548) and generally any hypothesised stressor is removed temporally and symbolically from the onset of symptoms. Por lo tanto, the psychosocial stress cannot be seen to be "converted' into a physical symptom that relieve suffering, when in actual fact they increase it. Historically The patient, by definition, was considered to be unaware of this process, and often not concerned with his deficit--- a feature called 'la belle indifference'. Research now shows this to be untrue (Stone et al as above).  Más recientemente, research is attempting to examine the complex nature of these symptoms and the absurdity of a dualist approach which attempts to suggest that symptoms are either all organic or all psychiatric. Functional neuroimaging has shown intriguing findings with respect to the neural correlates of these symptoms (best example is Vuilleimier et al Brain Vol. 124, No. 6, 1077-1090, Junio 2001) Psychiatrists now separate out conversion disorder, in which the complaints are neurologic, from similar conditions in which the complaints can be about such things as pain. References This page uses Creative Commons Licensed content from Wikipedia (ver autores).

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