Utility of the impact of event scale in screening for posttraumatic stress disorder

This study assesses the optimal cut-off point for the Impact of Event Scale and compares its screening properties with those of the Self-rating Inventory for Posttraumatic Stress Disorder among war-related trauma victims. 74 patients with war-related trauma were administered the Impact of Event Scale and the Self-rating Inventory for Posttraumatic Stress Disorder, followed 1 wk. later by the Clinician-administered PTSD Scale. Receiver operating characteristic analysis indicated for the Impact of Event Scale a sensitivity of .77 and a specificity of .51 at a cut-off value of 36. For the Self-rating Inventory for Posttraumatic Stress Disorder a sensitivity of .86 and a specificity of .69 were found at a cut-off value of 52. The authors conclude that careful use of the Impact of Event Scale as a screening measure for Posttraumatic Stress Disorder is warranted.     

Single-process versus multiple-strategy models of decision making: Evidence from an information intrusion paradigm

When decision makers are confronted with different problems and situations, do they use a uniform mechanism as assumed by single-process models (SPMs) or do they choose adaptively from a set of available decision strategies as multiple-strategy models (MSMs) imply? Both frameworks of decision making have gathered a lot of support, but only rarely have they been contrasted with each other. Employing an information intrusion paradigm for multi-attribute decisions from givens, SPM and MSM predictions on information search, decision outcomes, attention, and confidence judgments were derived and tested against each other in two experiments. The results consistently support the SPM view: Participants seemingly using a “take-the-best” (TTB) strategy do not ignore TTB-irrelevant information as MSMs would predict, but adapt the amount of information searched, choose alternative choice options, and show varying confidence judgments contingent on the quality of the “irrelevant” information. The uniformity of these findings underlines the adequacy of the novel information intrusion paradigm and comprehensively promotes the notion of a uniform decision making mechanism as assumed by single-process models.     

Perceived duration decreases with increasing eccentricity

Previous studies examining the influence of stimulus location on temporal perception yield inhomogeneous and contradicting results. Therefore, the aim of the present study is to soundly examine the effect of stimulus eccentricity. In a series of five experiments, subjects compared the duration of foveal disks to disks presented at different retinal eccentricities on the horizontal meridian. The results show that the perceived duration of a visual stimulus declines with increasing eccentricity. The effect was replicated with various stimulus orders (Experiments 1–3), as well as with cortically magnified stimuli (Experiments 4–5), ruling out that the effect was merely caused by different cortical representation sizes. The apparent decreasing duration of stimuli with increasing eccentricity is discussed with respect to current models of time perception, the possible influence of visual attention and respective underlying physiological characteristics of the visual system.     

The Importance of PRI Therapy for the Pastoral Counsellor

It is not always easy for pastoral counsellors to help people change. Often people have become stuck in their ways. Recent developments in the field of brain research help explain why change is difficult. This article discusses Past Reality Integration Therapy (PRI), a psychotherapeutic method that integrates recent findings of brain research and offers an important addition to the work of (pastoral) counsellors and psychotherapists. The use of this approach with Dutch students in their pastoral training is presented. Furthermore the importance of this new method for counsellors themselves, their clients and their work is discussed and some overall conclusions about the method and its practical application are presented.     

Concurrent and Prospective Associations Between Social Anxiety and Responses to Stress in Adolescence

Research on Child and Adolescent Psychopathology - Several studies have investigated the relationship between adolescents’ responses to stress and general anxiety and depression, but only few...