6/24/2023 0 Comments Ptsd auditory hallucinations![]() ![]() To explore which dissociation subtypes affected hallucination severity, regressions were conducted. Data were sufficiently normally distributed to satisfy statistical assumptions for parametric tests and Pearson's product correlations were conducted. The association between hallucinations and dissociation was examined using group comparisons, correlations and regressions. This information can be used to inform clinical management of complex cases involving hearing voices, dissociation and trauma.ĭemographic and clinical variables and total scores were analysed using analysis of variance (ANOVA) for continuous variables and chi-squared for categorical variables. ![]() Subtypes of symptoms of dissociation were examined using regression analysis. Levels of dissociation and hallucination scores were compared between groups, and the strength of the relationship between dissociation and hallucinations was assessed using correlation analyses. The experience of hallucinations and dissociative state symptoms were examined in three groups of participants with auditory hallucinations and with different diagnoses and trauma histories: schizophrenia (without trauma/PTSD), PTSD with dissociation, and comorbid schizophrenia and PTSD (SCZ+PTSD). The present study sought to broaden the understanding of the relationship between dissociation, auditory hallucinations and trauma, using carefully selected participant samples and validated measures. Furthermore, recent research has questioned whether trauma is necessarily involved in all hallucinations, or whether instead there may be different causal pathways for different types of hallucination. ![]() However, heterogeneity in the results, methodological limitations and a lack of direct evidence in schizophrenia have led to calls for more research in this area. 6 In support, robust associations between voice hearing and dissociation ( r = 0.52) have been confirmed in a meta-analysis involving 31 studies, 7 suggesting that dissociation (and particularly depersonalisation 8) may be a mediating factor between trauma and certain types of hallucinatory experiences. 3, 4 Because dissociation is a common response to trauma, one hypothesis is that trauma causes hallucinations through the process of dissociation, which either impairs the integration of traumatic experience with components of the self identity 4, 5 or causes a failure of contextual integration of present and past experiences, resulting in involuntary intrusions. 2 Such findings have led to suggestions that trauma might be a direct cause of auditory hallucinations. 1 An association between hallucinations and trauma has been documented in PTSD, where two-thirds of civilian trauma survivors and half of traumatised military veterans report hearing voices. Auditory hallucinations and the experience of trauma attend individuals who suffer a broad variety of psychiatric disorders, including schizophrenia and post-traumatic stress disorder (PTSD). ![]()
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