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191.
North CS Kienstra DM Osborne VA Dokucu ME Vassilenko M Hong B Wetzel RD Spitznagel EL 《Perceptual and motor skills》2006,103(2):395-411
Reliable and valid assessment of abnormal speech patterns may enable earlier recognition of nonpsychotic disorders through characteristic speech patterns. This study sought to establish interrater reliability using a standardized guide for scoring. A scoring guide defining 27 elements (e.g., inappropriate self-reference, simple loss of goal, circumstantiality) of disordered thought was developed. The seminal work of Andreasen's and Holzman's groups provided 12 elements, and 15 new elements were suggested by clinical literature. Audiotaped interviews with 12 psychiatric inpatients, adults of both sexes and various ages hospitalized for acute management of nonpsychotic psychiatric disorders, provided speech samples for observation of disordered thought by two independent raters. Using the guide's definitions and accompanying examples of elements of disordered thought, reliability in scoring was high (kappa of .85 for agreement on the presence of any abnormal speech element and kappa values from .66 to 1.00 for agreement on the presence of individual elements). 相似文献
192.
Luine V 《Stress (Amsterdam, Netherlands)》2002,5(3):205-216
Recent studies in rodent models and in humans have shown that the status of both the gonadal and adrenal axes (hypothalamic-pituitary-gonadal, HPG and hypothalamic-pituitary-adrenal, HPA, respectively) can influence learning and memory function. In this article, the effects of activating the HPA axis (stress) on performance of memory tasks in rats are reviewed. More importantly, results are presented which show that chronic stress has a different impact on performance of these tasks depending upon the sex of the rat. These observations are novel and potentially important since few studies, animal or human, have utilized females as subjects in studies of the stress response. Sex differences in the effects of chronic stress on memory were investigated in rats using an object recognition task and two spatial memory tasks, radial arm maze and object location. Given the same chronic stress--21 days of restraint for 6 h each day--males were impaired in all of the memory tests while females showed enhanced performance of the spatial memory tasks and no changes in object recognition performance. Levels of neurotransmitters and metabolites were measured in brain areas important for cognition in the subjects in order to determine neural systems that may respond to stress and mediate the cognitive responses. These results show that responses of monoamine and amino acid containing neural systems may contribute to or underlie sex differences in stress effects on cognition. Stress decreased dopaminergic activity in the frontal cortex and amygdala of males but not females; whereas, in CA3 of the hippocampus, stress increased levels of 5-HT and norepinephrine in females, but not males, and increased GABA in males, but not females. Finally, a possible role for estradiol in mediating sexually differentiated responses to stress was examined. Behavioral and neurochemical evaluations in ovariectomized, stressed females, with or without estrogen replacement, suggest that sex differences in response to stress are influenced by both the organizing and activating effects of estradiol. A few, recent studies in humans, that show sexually dimorphic relationships between chronic stress and cognition, are also highlighted. These results in humans are consistent with the pattern of results in rats. Clearly, further studies are necessary to substantiate sex differences in stress effects on memory function in humans and to understand mechanisms whereby estrogen may influence the stress response in rats. Nonetheless, recent studies show sexually differentiated cognitive responses to chronic stress and underline the importance of considering the sex/gender of subjects when studying the stress response. 相似文献
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B. Sebastian Reiche Pablo Cardona Yih‐Teen Lee Miguel Ángel Canela Esther Akinnukawe Jon P. Briscoe César Bullara Maria Victoria Caparas Dan V. Caprar Dallied Charlemagne Tor Grenness Wei He Konrad Jamro Astrid Kainzbauer Kathrin Koester Alma Lazo Alejandro Moreno Michael J. Morley Vivian Myloni Sadia Nadeem Marisa Aguirre Nieto Alexey Svishchev Scott N. Taylor Helen Wilkinson 《Personnel Psychology》2014,67(1):61-98
Drawing on theories of generalized exchange and the norm of indirect reciprocity, we conceptualize subordinates’ organizational citizenship behavior directed toward the organization (OCBO) and directed toward peers (OCBI) as antecedents of managerial trustworthy behavior and examine how managers’ affective trust in subordinates mediates this relationship. We also investigate the extent to which this mediation is moderated by the level of collectivism in a society. Data were collected from 741 managers and 2,111 subordinates in 18 countries representing all major cultural regions of the world. We find support for our hypothesized moderated mediation in that managers’ affective trust in subordinates mediates the relationships between both subordinates’ OCBO and managerial trustworthy behavior, and subordinates’ OCBI and managerial trustworthy behavior across the different countries studied. Further, managers’ affective trust in subordinates only mediates the relationships between both types of citizenship behavior and managerial trustworthy behavior when collectivism is low to medium but not when it is high. Implications for research on cross‐cultural psychology, trust, and organizational citizenship behavior are discussed. 相似文献
198.
Bradley T. Erford Lauren E. Paul Conor Oncken Victoria E. Kress Matthew R. Erford 《Journal of counseling and development : JCD》2014,92(1):13-24
This meta‐analysis of clinical trials explored the effectiveness of treatments targeted at changing oppositional behavior. The meta‐analysis included 31 peer‐reviewed treatment studies with school‐age youth ages 6–17 years identified as having oppositional defiant disorder. Results were synthesized using a random effects model for mean difference and mean gain effect size estimates. Findings suggest that counseling/psychotherapy is effective in treating oppositional behavior in school‐age youth at termination, but the long‐term efficacy of such treatment is less stable. 相似文献
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Gavin P. Lawrence Victoria E. Cassell Stuart Beattie Tim Woodman Michael A. Khan Lew Hardy Vicky M. Gottwald 《Psychological research》2014,78(5):634-650
We investigated for the first time whether the principles of specificity could be extended to the psychological construct of anxiety and whether any benefits of practicing with anxiety are dependent on the amount of exposure and timing of that exposure in relation to where in learning the exposure occurs. In Experiment 1, novices practiced a discrete golf-putting task in one of four groups: all practice trials under anxiety (anxiety), non-anxiety (control), or a combination of these two (i.e., the first half of practice under anxiety before changing to non-anxiety conditions, anxiety-control, or the reverse of this, control-anxiety). Following acquisition, all groups were transferred to an anxiety condition. Results revealed a significant acquisition-to-transfer decrement in performance between acquisition and transfer for the control group only. In Experiment 2, novices practiced a complex rock climbing task in one of the four groups detailed above, before being transferred to both a high-anxiety condition and a low-anxiety condition (the ordering of these was counterbalanced across participants). Performance in anxiety transfer was greater following practice with anxiety compared to practice without anxiety. However, these benefits were influenced by the timing of anxiety exposure since performance was greatest when exposure to anxiety occurred in the latter half of acquisition. In the low-anxiety transfer test, performance was lowest for those who had practiced with anxiety only, thus providing support for the specificity of practice hypothesis. Results demonstrate that the specificity of learning principle can be extended to include the psychological construct of anxiety. Furthermore, the specificity advantage appears dependent on its timing in the learning process. 相似文献