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Query: UMLS:C0848237 (acute stress)
 4,619 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Attempted suppression of traumatic memories was investigated in survivors of motor vehicle accidents with acute stress disorder (ASD; n = 24) and without ASD (n = 24). Participants monitored their trauma-related thoughts for three 5-minute periods. In Period 1, participants were instructed to think about anything. For Period 2, participants were administered suppression or non-suppression instructions relating to thoughts of the trauma. In Period 3, participants were again instructed to think about anything. ASD participants reported higher ratings of anxiety, frequency of trauma-related thoughts, and attempted suppression of trauma-related thoughts than non-ASD participants. Participants who were given suppression instructions demonstrated a delayed increase in trauma-related thoughts in the period subsequent to suppression.
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PMID:The effect of attempted thought suppression in acute stress disorder. 964 32

Intrusive trauma-related thoughts and the means to manage them are a central dynamic in posttraumatic stress. Thought control strategies were investigated in survivors of motor vehicle accidents with either acute stress disorder (ASD; n = 20) or no ASD (n = 20). Participants completed the Acute Stress Disorder Interview, the Beck Depression Inventory, the Beck Anxiety Inventory, the Impact of Event Scale, and the Thought Control Questionnaire (TCQ) within four weeks of their accident. Although distraction, social control, and reappraisal were the most common strategies in both groups, ASD participants engaged in punishment and worry more than non-ASD participants. Worry and punishment were also strongly associated with severity of intrusive, avoidance, arousal, and depressive symptoms. Findings are discussed in terms of the role of cognitive strategies in resolving posttraumatic stress.
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PMID:Thought control strategies in acute stress disorder. 974 1

Cognitive bias was investigated in survivors of motor vehicle accidents with either acute stress disorder (ASD; n = 17) or no ASD (n = 17). Participants completed the acute stress disorder interview, the Beck depression inventory, the Beck anxiety inventory, the impact of event scale, and a probability questionnaire (PQ) and a cost questionnaire (CQ) within four weeks of their accident. ASD participants exaggerated both the probability of negative events occurring, and the adverse cost of those events more than non-ASD participants. IES-Avoidance scores were the only significant predictors of both PQ and CQ scores. Findings are discussed in terms of the role of cognitive errors in posttraumatic adjustment.
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PMID:Cognitive bias in acute stress disorder. 974 2

Cognitive bias was investigated in acutely traumatised civilians with either acute stress disorder (ASD; n = 26) or no ASD (n = 24). Participants completed the Acute Stress Disorder Interview, the Beck Depression Inventory, the Beck Anxiety Inventory (BAI), the Impact of Event Scale (IES), and an Event Probability Questionnaire and an Event Cost Questionnaire that comprised items pertaining to (a) external harm, (b) somatic sensations and (c) social events. ASD participants exaggerated both the probability of negative external harm, somatic and social events occurring, and the adverse cost of those events more than non-ASD participants. Elevated probability and cost estimates were predicted by BAI and IES-Avoidance scores, respectively. These findings are discussed in the context of different patterns observed in other anxiety disorders, and interpreted in terms of network theories of posttraumatic stress.
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PMID:The generality of cognitive bias in acute stress disorder. 1087 92

This study investigated the influence of attempted suppression and thought control strategies on traumatic memories. Survivors of civilian trauma with acute stress disorder (ASD; n = 20) and without ASD (n = 20) monitored their trauma-related thoughts for three 24-h periods. In period 1, participants were instructed to think about anything. In period 2, participants were administered suppression or nonsuppression instructions relating to thoughts of the trauma. In period 3, participants were again instructed to think about anything. The results revealed no evidence for an increase in trauma-related thoughts following suppression instructions. Punishment and worry thought control strategies correlated significantly with both anxiety and suppression ratings. Frequency of intrusions was associated with a distraction cognitive strategy. These findings point to the importance of traumatised individuals' cognitive strategies in mediating the management and occurrence of posttraumatic intrusions.
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PMID:Attempting suppression of traumatic memories over extended periods in acute stress disorder. 1095 24

The rationale underpinning the diagnosis of acute stress disorder is that cognitive mechanisms result in avoidant processing of aversive experiences. This study investigated acutely traumatized participants with either acute stress disorder (ASD; n = 15) or no ASD (n = 14) and nontraumatized comparison participants (n = 16). Participants were administered intermixed presentations on a computer screen of positive, neutral, and trauma-related words that were followed by instructions to either remember or forget each word. On a subsequent recall test, ASD participants displayed poorer recall of to-be-forgotten trauma-related words than did non-ASD participants. Severity of psychopathology was negatively correlated with to-be-remembered positive words. These findings are consistent with the proposal that people who develop ASD display an aptitude for superior forgetting of aversive material.
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PMID:Directed forgetting in acute stress disorder. 1186 70

Acute stress disorder is characterized by dissociative responses that are theorized to result in deficient encoding and retrieval of trauma-related material. This study examined retrieval inhibition using the list method of the directed forgetting paradigm in traumatized individuals with acute stress disorder (ASD; n = 14), no ASD (n = 14), and a nontraumatized control group (n = 15). Participants were presented with a list of intermixed positive, neutral, and trauma-related words. Instructions to forget that list and instead remember a second list were then given, and a new list presented. ASD participants exhibited poorer recall of to-be-forgotten trauma words than the non-ASD and control groups. The ASD group also demonstrated deficient recognition of to-be-remembered and to-be-forgotten positive words. Severity of acute posttraumatic stress response was associated with retrieval impairments. The cumulative findings suggest that ASD is associated with impoverished memory for trauma-related and positive material.
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PMID:An investigation of retrieval inhibition in acute stress disorder. 1628 Dec 17

Since dissociation has been recognized as a marker of posttraumatic processes, this study examines the chronological relations between dissociation and stress reactions (acute stress disorder, ASD, and posttraumatic stress disorder, PTSD) following myocardial infarction (MI). One hundred sixteen MI patients were examined twice: within 1 week of the trauma (time 1) and 7 months later (time 2). Sixty-seven matched controls were studied in a parallel interval. ASD was assessed at time 1, PTSD at time 2, and dissociative tendencies at both times. ASD and PTSD were moderately associated with levels of dissociation. In addition, while the MI patients did not differ from the controls in level of dissociation, both in time 1 and time 2, among the MI group, PTSD was associated with an increase in dissociation. These findings may reflect either the development of two comorbid entities, or a presentation of a dissociative subtype of PTSD.
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PMID:Longitudinal study of acute stress disorder, posttraumatic stress disorder and dissociation following myocardial infarction. 1716 34

The authors review the literature relating hypnotizability and posttraumatic stress. Sixty-seven abstracts containing the key terms ASD, acute stress, trauma, traumatic, or PTSD in combination with either hypnotic susceptibility or hypnotizability were reviewed. Six articles were found containing data on hypnotizability and posttraumatic stress symptoms. Each of the studies showed some relation between hypnotizability and posttraumatic stress, but, in all of them, hypnotizability was measured after the potentially traumatizing event. High hypnotizability might be a risk factor for both acute and chronic posttraumatic symptoms. However, this cannot be determined until prospective studies measure hypnotizability in individuals before and after a potentially traumatizing event, perhaps by targeting populations that are at risk for experiencing trauma.
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PMID:Hypnotizability as a potential risk factor for posttraumatic stress: a review of quantitative studies. 1856 43

The present study investigated the extent of dysfunctional appraisal as measured with the Posttraumatic Cognitions Inventory (PTCI) and physiological responses to trauma-related material in patients with acute stress disorder (ASD; N=44) in comparison to participants without trauma exposure (N=27). Heart-rate (HR), skin conductance responses (SCR), and viewing time were recorded in response to - for trauma victims - idiosyncratically trauma-relevant and control pictures. ASD patients evidenced greater dysfunctional appraisal than control participants with regard to the PTCI scales Self and World and also an accelerative HR reaction and greater SCRs to trauma-relevant pictures. Among patients, PTCI was highly correlated with ASD severity while PTCI World was positively correlated with resting HR and depression. Amplitude of the HR reaction to trauma-related pictures was negatively correlated with viewing time. Results suggest that dysfunctional appraisal and autonomic reactivity are only loosely related in ASD.
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PMID:Dysfunctional cognitive appraisal and psychophysiological reactivity in acute stress disorder. 1960 67


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