Dissociation (psychology) - Relation To Trauma and Abuse

Relation To Trauma and Abuse

Dissociation has been described as one of a constellation of symptoms experienced by some victims of multiple forms of childhood trauma, including physical, psychological, and sexual abuse. This is supported by studies which suggest that dissociation is correlated with a history of trauma. Dissociation appears to have a high specificity and a low sensitivity to having a self-reported history of trauma, which means that dissociation is much more common among those who are traumatized, yet at the same time there are many persons who have suffered from trauma but who do not show dissociative symptoms.

Adult dissociation when comorbid with a history of child abuse and otherwise interpersonal violence-related posttraumatic stress disorder (PTSD) has been shown to contribute to disturbances in parenting behavior, such as exposure of young children to violent media. Such behavior may contribute to cycles of familial violence and trauma.

Symptoms of dissociation resulting from trauma may include depersonalization, psychological numbing, disengagement, or amnesia regarding the events of the abuse. It has been hypothesized that dissociation may provide a temporarily effective defense mechanism in cases of severe trauma; however, in the long term, dissociation is associated with decreased psychological functioning and adjustment. Other symptoms sometimes found along with dissociation in victims of traumatic abuse (often referred to as "sequelae to abuse") include anxiety, PTSD, low self-esteem, somatization, depression, chronic pain, interpersonal dysfunction, substance abuse, self-mutilation and suicidal ideation or actions. These symptoms may lead the victim to erroneously present the symptoms as the source of the problem.

Child abuse, especially chronic abuse starting at early ages, has been related to high levels of dissociative symptoms in a clinical sample, including amnesia for abuse memories. A non-clinical sample of adult women linked increased levels of dissociation to sexual abuse by a significantly older person prior to age 15, and dissociation has also been correlated with a history of childhood physical as well as sexual abuse. When sexual abuse is examined, the levels of dissociation were found to increase along with the severity of the abuse.

A 2012 review article supports the hypothesis that current or recent trauma may affect an individual's assessment of the more distant past, changing the experience of the past and resulting in dissociative states.

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