scholarly journals Association between trauma exposure and delusional experiences in a large community-based sample

2007 ◽  
Vol 190 (4) ◽  
pp. 339-343 ◽  
Author(s):  
James Scott ◽  
David Chant ◽  
Gavin Andrews ◽  
Graham Martin ◽  
John McGrath

BackgroundSurveys have found that otherwise well individuals report delusional experiences. Previous studies have shown an association between psychotic symptoms and exposure to trauma.AimsTo explore the association between trauma and delusional experiences in a community sample.MethodRespondents (n = 10 641) were assessed for delusional experiences, exposure to various types of traumatic experiences and the presence of post-traumatic stress disorder (PTSD). The endorsement of delusional items was examined in people exposed to traumatic events who did or did not have PTSD.ResultsExposure to any traumatic event but without the development of PTSD was associated with increased endorsement of delusional experiences (relative risk 2.68, 95% CI 2.18–3.30) and there was a significant dose–response relationship between the number of types of traumatic events and endorsement of such experiences (χ2 =26.74, d.f. =2, P < 0.001). A diagnosis of PTSD further increased endorsement of delusional experiences (RR = 9.24, 95% CI 6.95–12.27). The association between PTSD and delusional experiences remained significant after adjusting for factors associated with psychotic symptoms.ConclusionsFurther investigation into the pathways between trauma, delusions and psychosis may provide insights into shared aetiological mechanisms underpinning these conditions.

2005 ◽  
Vol 36 (3) ◽  
pp. 387-395 ◽  
Author(s):  
RUTH A. PARSLOW ◽  
ANTHONY F. JORM ◽  
HELEN CHRISTENSEN

Background. While pre-trauma personality and mental health measures are risk factors for post-traumatic stress disorder (PTSD), such information is usually obtained following the trauma and can be influenced by post-trauma distress. We used data collected from a community-based survey of young adults before and after a major natural disaster to examine the extent to which participants' traumatic experiences, demographic and pre-trauma risk factors were associated with their screening positive for PTSD when re-interviewed.Method. A representative selection of 2085 young adults from the Australian Capital Territory and environs, interviewed in 1999 as part of a longitudinal community-based survey, were re-interviewed 3–18 months after a major bushfire had occurred in the region. When re-interviewed, they were asked about their experiences of trauma threat, uncontrollable and controllable traumatic experiences and their reaction to the fire. They were also screened for symptoms of fire-related PTSD experienced in the week prior to interview.Results. Four-fifths of participants were exposed to the trauma with around 50% reporting having experienced uncontrollable traumatic events. Reporting PTSD symptoms was associated with being female, having less education, poorer mental health and higher levels of neuroticism prior to the trauma. Particular fire experiences, including being evacuated and feeling very distressed during the disaster, were more strongly associated with PTSD symptoms compared with pre-trauma measures.Conclusions. While demographic and pre-trauma mental health increased the likelihood of reporting PTSD symptoms, exposure to trauma threat and reaction to the trauma made greater contributions in explaining such symptoms as a result of this disaster.


2019 ◽  
Vol 6 (3) ◽  
pp. 299-308
Author(s):  
John E Buonora ◽  
Patrick M Krum ◽  
Tomás Eduardo Ceremuga

Post-traumatic stress disorder (PTSD) continues to be one of the most common mental health disorders in the United States and may occur in response to traumatic experiences. Currently, there are no interventions that prevent the development of PTSD. L-Theanine (L-Th), a major compound in green tea has been found to decrease anxiety and prevent memory impairment and may have potential effects in the prevention of PTSD. Sixty rats were divided into six experimental groups: control vehicle, control L-Th, control naïve, PTSD vehicle, PTSD Pre-L-Th (prophylactic), PTSD Post-L-Th (non-prophylactic). PTSD was induced by a 3-day restraint/tail shock stress model. The effects of L-Th on neurobehavior were evaluated by Elevated Plus-Maze (EPM), Morris Water Maze (MWM), and Forced Swim Test (FST). Our study found that the total food intake weight of PTSD Pre-L-Th (prophylactic) rats were significantly increased compared to that of PTSD vehicle rats (p = .04). Administration of L-Th 24 hours before the initial PTSD event or for 10 days following the last PTSD stress event did not statistically improve mean open arm exploration on the EPM, spatial memory, and learning in the MWM or behavioral despair measured by the FST (p > 0.05). Although the 3-day restraint/tail shock stress model caused stress in the rodents, it did not produce reported PTSD-like anxiety and depression or spatial memory loss. The effect of Pre-L-Th or Post-L-Th treatment, on the neurobehavioral functions could not be effectively evaluated. However, this study provides a foundation for future studies to try different rodent PTSD models to induce PTSD-like neurobehavioral impairments to explore dosage, frequency, as well as the duration of L-Th administration before and/or after the post-traumatic event. The 3-day restraint/tail shock stress model caused stress in the rodents, Pre-L-Theanine treatment preconditioned the PTSD rats to endure stress.


Literator ◽  
2018 ◽  
Vol 39 (1) ◽  
Author(s):  
Marisa Botha

This article analyses well-known anti-apartheid activist Winnie Madikizela-Mandela’s prison memoir 491 Days: Prisoner Number 1323/69 (2013) for depictions of suffering. This memoir reveals aspects of politically inflicted trauma, particularly the suffering sustained in prolonged solitary confinement and the resulting psychological sequelae for the prisoner. To move beyond a vague understanding of her traumatic experiences, this article draws on the field of psychiatry, specifically the diagnostic criteria for post-traumatic stress disorder (PTSD) to gain greater insight as this tool may also be regarded as a type of narrative that could aid in the comprehension of traumatic events. References will be made to the three main cluster symptoms of PTSD: involuntary re-experiencing of the traumatic event, avoidance of reminders and an ongoing sense of threat. An interdisciplinary literary-psychological approach will probably lead to a deeper understanding of the mental consequences of political imprisonment, as PTSD was not an acknowledged disorder during Madikizela-Mandela’s detainment.


2014 ◽  
Vol 24 (2) ◽  
pp. 172-183 ◽  
Author(s):  
B. Olaya ◽  
J. Alonso ◽  
L. Atwoli ◽  
R. C. Kessler ◽  
G. Vilagut ◽  
...  

Background.The relative importance of traumatic events (TEs) in accounting for the social burden of post-traumatic stress disorder (PTSD) could vary according to cross-cultural factors. In that sense, no such studies have yet been conducted in the Spanish general population. The present study aims to determine the epidemiology of trauma and PTSD in a Spanish community sample using the randomly selected TEs method.Methods.The European Study of the Epidemiology of Mental Disorders (ESEMeD)-Spain is a cross-sectional household survey of a representative sample of adult population. Lifetime prevalence of self-reported TEs and lifetime and 12-month prevalence of PTSD were evaluated using the World Health Organization (WHO) Composite International Diagnostic Interview. Reports of PTSD associated with randomly selected TEs were weighted by the individual-level probabilities of TE selection to generate estimates of population-level PTSD risk associated with each TE.Results.Road accident was the most commonly self-reported TE (14.1%). Sexual assault had the highest conditional risk of PTSD (16.5%). The TEs that contributed most to societal PTSD burden were unexpected death of a loved one (36.4% of all cases) and sexual assault (17.2%). Being female and having a low educational level were associated with low risk of overall TE exposure and being previously married was related to higher risk. Being female was related to high risk of PTSD after experiencing a TE.Conclusions.Having an accident is commonly reported among Spanish adults, but two TE are responsible for the highest burden associated with PTSD: the unexpected death of someone close and sexual assault. These results can help designing public health interventions to reduce the societal PTSD burden.


Author(s):  
David Trickey ◽  
Dora Black

This chapter will focus on the impact on children of traumatic events other than child abuse or neglect, which are covered in Chapter 9.3.3. According to the DSM-IV-TR definition of post-traumatic stress disorder (PTSD), traumatic events involve exposure to actual or threatened death or injury, or a threat to physical integrity. The child's response generally involves an intense reaction of fear, horror, or helplessness which may be exhibited through disorganized or agitated behaviour. Terr suggested separating traumatic events into type I traumas which are single sudden events and type II traumas which are long-standing or repeated events. If the traumatic event includes bereavement, the reactions may be complicated and readers should consult Chapter 9.3.7 to address the bereavement aspects of the event. Following a traumatic event, children may react in a variety of ways (see Chapters 4.6.1 and 4.6.2 for the adult perspective on reactions to stressful and traumatic events). Many show some of the symptoms of post-traumatic stress disorder—re-experiencing the event (e.g. through nightmares, flashbacks, intrusive thoughts, re-enactment, or repetitive play of the event), avoidance and numbing (e.g. avoidance of conversations, thoughts, people, places, and activities associated with the traumatic event, inability to remember a part of the event, withdrawal from previously enjoyed activities, feeling different from others, restriction of emotions, sense of foreshortened future), and physiological arousal (e.g. sleep disturbance, irritability, concentration problems, being excessively alert to further danger, and being more jumpy). In young children the nightmares may become general nightmares rather than trauma-specific. Other reactions to trauma in children are: ♦ becoming tearful and upset or depressed ♦ becoming clingy to carers or having separation anxiety ♦ becoming quiet and withdrawn ♦ becoming aggressive ♦ feeling guilty ♦ acquiring low self-esteem ♦ deliberately self-harming ♦ acquiring eating problems ♦ feeling as if they knew it was going to happen ♦ developing sleep disturbances such as night-terrors or sleepwalking ♦ dissociating or appearing ‘spaced out’ ♦ losing previously acquired developmental abilities or regression ♦ developing physical symptoms such as stomach aches and headaches ♦ acquiring difficulties remembering new information ♦ developing attachment problems ♦ acquiring new fears ♦ developing problems with alcohol or drugs. Such problems may individually or in combination cause substantial difficulties at school and at home. The reactions of some children will diminish over time; however, for some they will persist, causing distress or impairment, warranting diagnosis, and/or intervention. Research predicting which children will be more likely to be distressed following a traumatic event suffers from a number of methodological flaws. However, factors which are often identified as constituting a risk for developing PTSD across a number of studies include: level of exposure, perceived level of threat and peri-traumatic fear, previous psychological problems, family difficulties, co-morbid diagnoses, subsequent life events, and lack of social support.


2014 ◽  
Vol 24 (3) ◽  
pp. 249-257 ◽  
Author(s):  
J. White ◽  
J. Pearce ◽  
S. Morrison ◽  
F. Dunstan ◽  
J. I. Bisson ◽  
...  

Aims.Post-traumatic stress disorder (PTSD) is typically associated with high-risk population groups, but the risk of PTSD that is associated with trauma experienced in the community, and effect of changes in diagnostic criteria in DSM-5 on prevalence in the general population, is unknown.Methods.Cross-sectional analysis of population-based data from 4558 adults aged 25–83 years resident in Caerphilly county borough, Wales, UK. Exposure to different traumatic events was assessed using categorisation of free-text descriptions of trauma. PTSD caseness was determined using items assessing Diagnostic and Statistical Manual IV (DSM-IV) and DSM-5 A criteria and the Traumatic Screening Questionnaire.Results.Of the 4558 participants, 1971 (47.0%) reported a traumatic event. The most common DSM-IV A1 qualifying trauma was life-threatening illnesses and injuries (13.6%). The highest risk of PTSD was associated with assaultive violence [34.1%]. The prevalence of PTSD using DSM-IV A criteria was 14.3% (95% confidence interval [CI] = 12.8, 15.9%). Using DSM-5 A criteria reduced the prevalence to 8.0 (95% CI = 6.9, 9.4%), primarily due to exclusion of DSM-IV A1 qualifying events, such as life-threatening illnesses.Conclusions.Nearly one-half of a general community sample had experienced a traumatic event and of these around one in seven was a DSM-IV case of PTSD. Although the majority of research has concentrated on combat, rape and assaultive violence, life threatening illness is a more common cause of PTSD in the community. Removal of this traumatic event in DSM-5 could reduce the number of cases of PTSD by around 6.0%.


1999 ◽  
Vol 174 (4) ◽  
pp. 353-359 ◽  
Author(s):  
Sara A. Freedman ◽  
Dalia Brandes ◽  
Tuvia Peri ◽  
Arieh Y. Shalev

BackgroundMost individuals who, shortly after trauma, express symptoms of post-traumatic stress disorder (PTSD) recover within one year of their traumatic experiences. In contrast, those who remain ill for one year rarely recover completely. The early identification of the latter is, therefore, very important.AimsTo prospectively evaluate predictors of PTSD at four months and one year.MethodWe followed 236 trauma survivors recruited from admissions to a general hospital's emergency room for four months, at which point 41 (17.4%) met diagnostic criteria for PTSD. Twenty-three of these individuals, and 39 individuals without PTSD at four months, were assessed again at one year.ResultsDepressive symptoms were the best predictors of PTSD at both time points. Intrusive symptoms and peri-traumatic dissociation were better at predicting four-month PTSD than one-year PTSD.ConclusionsThe occurrence of depression during the months that follow a traumatic event is an important mediator of chronicity in PTSD.


CNS Spectrums ◽  
2020 ◽  
pp. 1-6 ◽  
Author(s):  
Mario Miniati ◽  
Laura Palagini ◽  
Danila Caruso ◽  
Mauro Mauri ◽  
Donatella Marazziti ◽  
...  

Abstract Background. To explore relationships among post-traumatic stress disorder (PTSD), depressive spectrum symptoms, and intrusiveness in subjects who survived the crash of a train derailed carrying liquefied petroleum gas and exploded causing a fire. Methods. A sample of 111 subjects was enrolled in Viareggio, Italy. AMOS version 21 (IBM Corp, 2012) was utilized for a structural equation model-path analysis to model the direct and indirect links between the exposure to the traumatic event, the occurrence of depressive symptoms, and intrusiveness. Subjects were administered with the SCID-IV (Structured Clinical Interview for DSM-IV), the Questionnaire for Mood Spectrum (MOODS-SR)-Last Month version, the Trauma and Loss Spectrum Questionnaire (TALS-SR), and the Impact of Event Scale-Revised version (IES-R). Results. Sixty-six (66/111; 59.4%) subjects met SCID-IV criteria for PTSD. Indices of goodness of fit were as followed: χ2/df = 0.2 P = .6; comparative fit index = 1 and root mean square error of approximation = 0.0001. A significant path coefficient for direct effect of potential traumatic events on depressive symptoms (β = 0.25; P < .04) and from depressive symptoms to intrusiveness (β = 0.34; P < .003) was found. An indirect effect was also observed: standardized value of potential traumatic events on intrusiveness was 0.86. The mediating factor of this indirect effect path was represented by depressive symptoms. Potential traumatic events explained 6.2% of the variance of depressive symptoms; 11.8% of the variance of intrusiveness was accounted for traumatic event and depressive symptoms. Conclusions. Path analysis led us to speculate that depression symptoms might have mediated the relationship between the exposure to potential traumatic events and intrusiveness for the onset of PTSD.


2012 ◽  
Vol 36 (8) ◽  
pp. 284-289 ◽  
Author(s):  
Martina Reynolds ◽  
Sheena Nayak ◽  
Christos Kouimtsidis

Aims and methodTo study intrusive phenomena relating to traumatic experiences in a community sample seeking treatment for substance use disorder and an in-patient sample from an addiction in-patient detoxification service in London. Perceived effect of drugs and drug use on traumatic intrusion and memory experiences was also analysed. The study was conducted using a semi-structured patient interview comprising a series of questionnaires.ResultsThe most frequently identified traumatic memories were those of traumatic bereavements. Substance use appears to have had the effect of dampening the memories for those with post-traumatic stress disorder (PTSD), and significantly more individuals reported that their memories were less vivid and less distressing before they ceased substance use.Clinical implicationsThe findings suggest that continued substance use could in part be motivated by its capacity to dampen distressing memories within the PTSD group. This should be addressed within a treatment plan of comorbid PTSD.


Author(s):  
Chris R. Brewin

Clinicians working with survivors of traumatic experiences have frequently noted the existence of memory loss with no obvious physical cause and the recovery of additional memories during clinical sessions. Indeed, amnesia is described in diagnostic manuals as a feature of post-traumatic stress disorder, although its presence is not necessary for this diagnosis. In the majority of these cases, people forget details of the traumatic event or events, or forget how they reacted at the time, although they remember that the event happened. They typically report that they have endeavoured not to think about the event, but have never forgotten that it occurred. Controversy is centred on memories of traumatic events, particularly concerning child abuse, that appear to be recovered after a long period of time in which there was complete forgetting that they had ever happened. It has sometimes been suggested that many, if not all, of these apparent recovered memories are the product of inappropriate therapeutic suggestion. This argument has been promulgated in particular by the False Memory Syndrome Foundation in the United States, by its counterpart, the British False Memory Society, and by their scientific advisors.


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