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11.
Intrusive reexperiencing in posttraumatic stress disorder (PTSD) has been linked to perceptual priming for trauma-related material. A prospective longitudinal study (N = 69) investigated perceptual priming for trauma-related, general threat, and neutral words in assault survivors with and without PTSD, using a new version of the word-stem completion task. Survivors with PTSD showed enhanced priming for trauma-related words. Furthermore, priming for trauma-related words measured soon after the trauma was associated with subsequent PTSD severity at 3, 6, and 9 months. The enhanced priming effect was specific to trauma-related words. Enhanced perceptual priming for traumatic material appears to be one of the cognitive processes operating in PTSD. 相似文献
12.
Frei A Schenker T Finzen A Dittmann V Kraeuchi K Hoffmann-Richter U 《Suicide & life-threatening behavior》2003,33(2):192-200
In the course of a large epidemiological study in the region of Basle, Switzerland, from 1992 to 1996, a considerable rise in suicides assisted by the right-to-die society EXIT was uncovered after wide press coverage of an assisted double suicide of a prominent couple in that region in March 1995. Further investigation revealed that the rise of assisted suicides for a period of 2 years after the critical event was statistically significant compared to the 2 years previous to the double suicide. This was especially true for women older than 65 years. Hence, the almost enthusiastic kind of reporting about this event was apt to induce imitation suicides or a "Werther-effect." 相似文献
13.
Harri?tte?RieseEmail author Paul?F.?C.?Groot Mireille?van den?Berg Nina?H.?M.?Kupper Ellis?H.?B.?Magnee Ellen?J.?Rohaan Tanja?G.?M.?Vrijkotte Gonneke?Willemsen Eco?J.?C.?de?Geus 《Behavior research methods》2003,35(3):467-477
Impedance cardiography has been used increasingly to measure human physiological responses to emotional and mentally engaging stimuli. The validity of large-scale ensemble averaging of ambulatory impedance cardiograms was evaluated for preejection period (PEP), interbeat interval, and dZ/dt(min) amplitude. We tested whether the average of “classical” 60-sec ensemble averages across periods with fixed activity, posture, physical load, social situation, and location could be accurately estimated from a single large-scale ensemble average spanning these entire periods. Impedance and electrocardiograms were recorded for about 24-h from 21 subjects. Recordings were scored by seven raters, using both methods for each subject. Good agreement (average intraclass correlation coefficient was .91) between both ensemble averaging methods was found for all three cardiac function measures. The results indicate that for unambiguous ambulatory impedance cardiograms, large-scale ensemble averaging is valid, which makes measuring prolonged changes in cardiac sympathetic activity by measuring ambulatory PEP feasible even in large epidemiological samples. 相似文献
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This study examines the evaluation of innovation in a wider competency framework and within a 360‐degree rating procedure among managerial‐level job holders. The total sample of 2,979 individuals consisted of 296 target employees and their 318 bosses, 1208 peers, 828 direct reports, and 329 others who provided ratings on a competency framework. The results showed significant differences in innovation‐related competence ratings between different raters. Self‐ratings were significantly lower compared to the overall observer ratings and were correlated only with peer ratings. Different patterns of results were found for the lower and upper quartiles based on self‐ratings. For instance, no correlations were observed between self‐ratings and the ratings of any observers in the group of best self‐rated individuals. Implications for practice and future research in assessment and evaluation of innovation are discussed in conclusion. 相似文献
16.
The focus of the present article was to analyze processes that determine the enactment and age effect in a multi-trial free recall paradigm by looking at the serial position effects. In an experimental study (see Schatz et al 2010), the performance-enhancing effect of enactive encoding and repeated learning was tested with older and younger participants. As expected, there was a steady improvement of memory performance as a function of repeated learning regardless of age. In addition, enactive encoding led to a better memory performance than verbal encoding in both age groups. Furthermore, younger adults outperformed the elderly regardless of type of encoding. Analyses in the present article show that encoding by enacting seems to profit especially from remembering the last items of a presented list. Regarding age differences, younger outperformed older participants in nearly all item positions. The performance enhancement after task repetition is due to a higher amount of recalled items in the middle positions in a subject performed task (SPT) and a verbal task (VT) as well as the last positions of a learned list in VT. 相似文献
17.
Ana V. Nikčević Gabriele Caselli Deborah Green Marcantonio M. Spada 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2014,32(4):248-256
Both perceived stress and negative recurrent thinking (rumination and worry) have been associated with depressive symptoms. However, no research to date has investigated the association between perceived stress and negative recurrent thinking. In the present study we aimed to explore whether perceived stress and negative recurrent thinking are associated and whether negative recurrent thinking moderates the relationship between perceived stress and depressive symptoms. A convenience sample of 273 undergraduate students completed the Perceived Stress Scale, the Ruminative Responses Scale-10, the Penn State Worry Questionnaire and the Hospital Anxiety and Depression Scale 2 weeks prior to sitting mid-year examinations. Correlation analyses showed that perceived stress, rumination and worry were positively and significantly associated with depressive symptoms and that perceived stress was positively and significantly associated with rumination and worry. A moderation analysis confirmed that negative recurrent thinking moderated the relationship between perceived stress and depressive symptoms. The implications of these findings are discussed. 相似文献
18.
Julia Klawohn Anja Riesel Rosa Grützmann Norbert Kathmann Tanja Endrass 《Cognitive, affective & behavioral neuroscience》2014,14(3):983-995
Hyperactive performance monitoring is a robust finding in obsessive–compulsive disorder (OCD). Patients show increased amplitudes of the error-related negativity (ERN) and correct-related negativity (CRN). Recently, two temporo-spatial factors were shown to contribute to both ERPs in healthy individuals. In the present study, it was investigated whether the factor structure underlying ERN and CRN is similar in OCD and which factors differ between groups. A principal component analysis (PCA) was employed to investigate the temporo-spatial factor structure of ERN and CRN. Twenty-six OCD patients and 26 healthy controls conducted a flanker task. EEG data were analyzed as conventional ERP components and as factor scores derived from temporo-spatial PCA. ERP results showed expected increases in ERN and CRN amplitudes in OCD patients. For both groups, the PCA confirmed the assumed factor structure of a central and a fronto-parietal factor contributing to ERN and CRN. Factor scores of both factors were differently affected by response correctness in OCD. Alterations in factor scores indicate increased activity in both an outcome-independent monitoring process and an error-sensitive process, contributing to overactive performance monitoring in OCD. 相似文献
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Anna Ševčíková Lukas Blinka Kristian Daneback 《European Journal of Developmental Psychology》2018,15(4):426-437
The purpose of this longitudinal study is to examine the relationship between teen sexting and offline sexual behavior. Using a sample of 1134 Czech adolescents aged 10–18 (Mage = 13.84, SD = 1.94, girls = 58.8%) from 55 schools, the latent growth model of offline sexual behavior with sexting as a time-varying covariate was employed. Participants differed at baseline for offline sexual behavior at both individual and school levels, and they varied in the growth rate of offline sexual behavior at the individual level. Only age and sensation seeking explained the variability at baseline of offline sexual behavior. The positive association between sexting and offline sexual behavior was not constant across time. However, sexting at baseline predicted offline sexual behavior a half year and one year later. Sexting may be treated as a precursor of offline sexual behavior. 相似文献