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51.
Beck MR Angelone BL Levin DT 《Journal of experimental psychology. Human perception and performance》2004,30(4):778-791
The visual system continually selects some information for processing while bypassing the processing of other information, and as a consequence, participants often fail to notice large changes to visual stimuli. In the present studies, the authors investigated whether knowledge about the probability of particular changes occurring over time increased the likelihood that changes that were likely to occur in the real world (probable changes) would be detected. The results of two experiments showed that participants were more likely to detect probable changes. This occurred whether or not they were processing the scene in a meaningful manner or actively searching the scene for changes. Furthermore, participants were unable to accurately predict change detection performance for probable and improbable changes. 相似文献
52.
Recent research has indicated that the pro-inflammatory cytokines, particularly interleukin-1beta (IL-1beta), can affect learning and memory. We injected male Sprague-Dawley rats with IL-1beta (1.0, 3.0, or 6.0 microg/kg, i.p.) or saline vehicle, 24h before a single 4-h session of leverpress escape/avoidance conditioning. No effect of IL-1beta at any dose was observed in the number of escape responses across the 4-h session. However, subjects treated with the two lower doses (1.0 and 3.0 microg/kg) of IL-1beta performed more avoidance responses during the final hour of the 4-h session than the other two groups. Subjects treated with the highest dose of IL-1beta (6.0 microg/kg) did not differ from controls. Results are discussed in terms of the possible mechanisms behind the IL-1beta-induced enhancement of learning, as well as the observed dose-response relationship. 相似文献
53.
The authors investigated the effects of religiosity and negative affect on beliefs in the paranormal and supernatural among 94 undergraduate students enrolled in psychology classes at a small, private U.S. university. They hypothesized that religiosity would predict differential beliefs in the supernatural versus the paranormal but that negative affect would attenuate these beliefs. In addition, the authors predicted that belief in the supernatural and negative affect would interact to predict belief in the paranormal. Overall, the results were consistent with predictions. The religious participants were skeptical of paranormal phenomena but were accepting of supernatural phenomena. In addition, increased reports of negative affect over the preceding year appeared to attenuate belief in the supernatural for the religious participants. By contrast, for the nonreligious participants, increased belief in both the supernatural and paranormal was predicted when reports of negative affect were high. Finally, the interaction of supernatural belief and negative affect significantly predicted belief in the paranormal. 相似文献
54.
J. Gayle Beck Melinda A. Stanley Barbara J. Zebb 《Journal of Clinical Geropsychology》1999,5(4):281-290
To expand the collection of instruments available for assessment of anxiety in the elderly, this report examined the original and revised Hamilton anxiety scales in a sample of 50 older adults diagnosed with Generalized Anxiety Disorder (GAD) and 93 normal community participants (ages 55–82). Although the revised anxiety scale had better discriminant validity (lower correlation with the revised Hamilton depression scale) than the original anxiety and depression scales, a considerable amount of shared variance still existed (41% shared variance, GAD sample alone; 17% control sample alone; 74% shared variance, both samples combined). Near-perfect group classification was possible using 7 items from the original anxiety scale and 10 items from the revised anxiety scale. Results are discussed in light of their implications for use of the Hamilton anxiety rating scale with older anxiety-disordered patients. 相似文献
55.
T E Joiner R A Steer A T Beck N B Schmidt M D Rudd S J Catanzaro 《Journal of abnormal psychology》1999,108(2):290-298
Physiological hyperarousal (PH) is an understudied component of the tripartite model of depression and anxiety. This study contributes to the literature on PH, the tripartite model, and anxiety and its disorders, using data from psychotherapy outpatients (n = 2,448), air force cadets (n = 1,335), and undergraduates (n = 284). Psychometrics and exploratory and confirmatory factor analyses showed that PH is a reliable, cohesive, discriminable, and valid construct. Compared with subjective anxiety, PH was more associated to panic versus mood disordered status, and to panic versus generalized anxiety disordered status. As hypothesized, an aspect of anxiety sensitivity (i.e., fear of body sensations) was particularly related to subjective anxiety in the presence of PH. Results support the PH construct as replicable, valid, and clinically important and support the utility of the tripartite and related models for understanding the relation of depressive and anxious syndromes. 相似文献
56.
Current biological models of panic disorder (PD) assert that this disorder is maintained by hypersensitivity to carbon dioxide (CO2) and related asphyxia cues, which is manifested as an exaggerated suffocation alarm (D. Klein, 1993). Because suffocation can result from both increased CO2 (hypercapnia) and decreased oxygen (O2; hypoxia), this study examined respiratory responding and anxiety during 5% CO2 (a hypercapnic challenge) and 12% O2 (a hypoxic challenge) in 14 PD patients and 14 matched controls (MC). Results demonstrate that irrespective of the source of suffocation, PD patients respond with increased anxiety relative to MC participants. Significant group differences were observed in respiratory functioning, with the PD patients showing higher respiratory rates in response to both challenges. The MC sample demonstrated the expected respiratory responses to both hypercapnia and hypoxia. The findings indicate that PD patients are hypersensitive to alterations in breathing and that this reactivity is not specific to CO2. 相似文献
57.
The literature examining trauma among older adults is growing, but little is known about the efficacy of empirically supported interventions for PTSD within this population. Clinical writing on this topic often implies that cognitive-behavioral treatments may be ineffective or inappropriate for older adults with PTSD given physical and/or cognitive vulnerabilities. Review of the limited research in this area, however, provides little support for the claim that cognitive-behavioral interventions are ineffective in treating PTSD among the elderly. In an effort to explicate specific issues related to treatment process and outcome among older survivors of trauma, a case series is presented outlining the treatment of three older adults within the context of a structured, cognitive-behavioral group intervention. Observations from this case series suggests that cognitive-behavioral interventions continue to be useful in treating PTSD with this population. Specific treatment issues unique to older adults are explored and recommendations for future research are discussed. 相似文献
58.
59.
Maura J. Mills Satoris S. Culbertson Clive J. Fullagar 《Journal of Happiness Studies》2012,13(3):519-545
This article analyzes the Utrecht Work Engagement Scale (UWES; Schaufeli et al. in J Happiness Stud 3:71?C92, 2002b) on a variety of levels. Study 1 critiques the method by which the original scale was developed, and analyzes a similar sample using both exploratory and, subsequently, confirmatory factor analyses. Study 2 uses three samples to explore the 17-item UWES-17, and the recent shorter version of the scale, the 9-item UWES-9. Factor structures and reliabilities of scores for both scale versions were examined for each sample. Although some cautions are warranted when using the UWES, this research leans toward supporting a multifactorial conceptualization of the construct. Preliminary construct validation of the use of the measures was also established via correlations with other pertinent constructs. Although research on the measure remains sparse, the UWES-9 holds promise as a parsimonious version of the UWES-17 that appears valid in use, appears to yield reliable scores in the samples herein, and also appears to capture the purported three-factor dimensionality of the engagement construct better than does the original UWES-17 version. 相似文献
60.
Research on children's emotional competence has received considerable attention in the last decade, including the role of language. Language competence (LC) and emotional competence (EC) comprise multiple components. These components and their specific interrelations have not been studied sufficiently. In our study, we examined relations between multiple components of LC and EC in a sample of 210 school-age children. Five measures represented LC: receptive vocabulary, verbal fluency, literacy, narrative structure, and the narrative use of evaluative devices. Four measures represented EC: expressive emotion vocabulary, declarative emotion knowledge, awareness of mixed emotions, and facial emotion recognition. Results showed strong positive correlations between LC and EC ranging between r = .12 and r = .45. In particular, receptive vocabulary and literacy were closely related to emotion knowledge and awareness of mixed emotions. A confirmatory factor analysis revealed that there is a common general ability factor for LC and EC. We discuss why receptive vocabulary and literacy might be so strongly related to emotion knowledge in school-age children. Our findings have implications for developmental psychologists, educational research, and speech-language pathologists. 相似文献