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Ellert R. S. Nijenhuis , Onno van der Hart, Karlien Kruger, Kathy Steele (2004)
Somatoform dissociation, reported abuse and animal defence-like reactions.
Australian and New Zealand Journal of Psychiatry, Vol. 38 Issue 9 Page 678 - 2004
DOI: 10.1111/j.1440-1614.2004.01441.x
Abstract: Objective: To test the hypotheses that among general psychiatric outpatients, somatoform dissociation is associated with posttraumatic stress symptoms and with reported potentially traumatizing events, especially with events that involve bodily threat from a person, also when reported age at onset, duration and subjectively rated impact of potentially traumatizing events are considered. Method: Administration of self-report questionnaires evaluating the severity of somatoform and psychoform dissociation, posttraumatic stress-symptoms, and reported traumatizing events, using samples of consecutive and unselected psychiatric outpatients (n = 153). Results: Somatoform dissociation was strongly correlated with posttraumatic stress symptoms and with reported cumulative traumatization as assessed with two different self-report trauma questionnaires. Among a wide range of trauma types, bodily threat from a person best predicted somatoform dissociation. Emotional neglect and age further improved the prediction, but emotional neglect and abuse did not predict somatoform dissociation when interpersonal threat to the body was not reported. Somatoform dissociation was also best predicted by bodily threat when reported age at onset, duration and subjective impact of reported traumatization were included in the analyses. Conclusion: This retrospective study suggests that recurrent interpersonal bodily threat may evoke animal defence-like psychobiological systems manifesting as somatoform dissociation and that this type of threat is often accompanied by emotional neglect. These hypotheses should now be tested in prospective studies.
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