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  #1  
Old Jan 10, 2011, 10:15 PM
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spiritual_emergency spiritual_emergency is offline
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Came across this in my reading tonight...

Quote:

Bleuler originally described ‘the schizophrenias’ as a group of distinct psychotic disorders with differing aetiologies and outcomes. More recently, there have been several suggestions that there is a subgroup of schizophrenia that is trauma-induced and characterized by a predominance of positive symptoms...

There are clearly complex and multiple relationships between trauma and psychosis. Psychosis can be a traumatic experience and have consequences for the individual that may be very similar to PTSD. It appears likely that, at least for some people, psychosis can be a reaction to traumatic experiences, given the prevalence of such experiences in people with psychosis, and the links in relation to form and content of psychotic experiences. For example, a consistent finding in research studies is that childhood sexual abuse seems to be specifically associated with the development of critical or commanding voices in adulthood.

It is also important to note that in almost every country where surveys have been conducted, the public understands the causes of psychosis in terms of adverse psycho-social events and circumstances more so than biogenetic factors. They have continued to do so for decades, despite numerous campaigns designed to teach them that schizophrenia, for instance, is ‘an illness like any other’.

Despite a recent increase in research devoted to this topic, there are relatively few studies that examine the mechanisms that may explain how trauma may increase vulnerability to psychosis. Recent psychological models of psychosis may help to explain the relationship between the experience of trauma and the development of psychotic experiences, and becoming a patient with a psychotic diagnosis.

There may be several ways in which traumatic experiences may confer vulnerability to psychosis via cognitive and behavioural processes. It is also possible that the cognitive and behavioural consequences of trauma may make people vulnerable to psychosis. Negative beliefs about self, world and others (such as ‘I am vulnerable’ and ‘Other people are dangerous’) have been shown to be associated with the development of psychotic experiences.

A recent study published in this issue has also shown that such beliefs specifically formed as a result of trauma are related to psychotic experiences in patients. Positive beliefs about psychotic experiences (such as ‘paranoia is a helpful survival strategy’) may also be related to traumatic experience, and have shown to be associated with the development of psychosis.

It is likely that psychotic experiences are essentially normal phenomena that occur on a continuum in the general population. It would seem that the occurrence of trauma in the life history of a person experiencing such phenomena may represent the difference between patients and non-patients. It appears that catastrophic or negative appraisals of psychotic experiences result in the associated distress. In this context, the study in this issue of Bak et al. is particularly welcome. Their large, prospective study of the general population found that there is a high prevalence of trauma in people who have psychotic experiences associated with distress whereas those without distress had a low prevalence of trauma.

Therefore, consistent with predictions of cognitive models, trauma may predispose people to appraising their unusual experiences in a problematic way. In addition, the study by Roy and Janal, also published in the present issue, suggests that childhood trauma also affects likelihood of suicide attempts, and increased severity of trauma is associated with younger age of first attempt . This is clearly of relevance to people with psychosis, given the high prevalence of trauma and their increased risk of suicide.

Read the full article here: http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0447.2005.00644.x/full


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  #2  
Old Jan 11, 2011, 07:16 AM
costello's Avatar
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This doesn't surprise me at all. I know a number of people who have adopted children from foster care. Obviously these children have significant trauma histories, both before and during their stay in foster care. It's amazing how many of these children hear voices.
  #3  
Old Jan 11, 2011, 08:31 AM
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I found my experience of psychosis much more traumatic than the stress I was under that caused me to become ill in the first place. You start off with a problem and end up with an even bigger problem. It seems "Too Unfair".
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Old Jan 11, 2011, 11:29 AM
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I agree, job. My son has suffered trauma directly from his experiences and indirectly in the way our culture reacts to and deals with his experiences.
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