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91.
The Relation of Pro‐Sociality to Self‐Esteem: The Mediational Role of Quality of Friendships 下载免费PDF全文
Antonio Zuffianò Nancy Eisenberg Guido Alessandri Bernadette Paula Luengo Kanacri Concetta Pastorelli Michela Milioni Gian Vittorio Caprara 《Journal of personality》2016,84(1):59-70
The present longitudinal study examined the role of quality of friendship in mediating the relation of pro‐sociality to self‐esteem over time. Participants were 424 Italian young adults (56% females) assessed at two waves (Mage = 21.1 at Time 1; Mage = 25 at Time 2). An autoregressive cross‐lagged panel model was used to test the mediational model. Self‐ and friend‐report measures of pro‐sociality, quality of friendship, and self‐esteem were included in the analyses. Results were in line with the hypothesized paths, with quality of friendship mediating the relation of pro‐sociality to later self‐esteem above and beyond its high stability. Self‐esteem, in turn, predicted pro‐sociality 4 years later. Overall, the present findings support the potential benefits of behaving pro‐socially for an actor in terms of increased perceived self‐worth and also expand previous work by outlining the specific mediational role of the quality of friendships. The theoretical and practical implications of these results are discussed. 相似文献
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Bernadette Davantes Heckman Edwin B Fisher Barbara Monsees Michael Merbaum Stephen Ristvedt Connie Bishop 《Health psychology》2004,23(1):42-48
This study characterized women's concurrent and subsequent levels of emotional distress associated with a questionable mammogram screening and relationships between women's coping and psychosocial adjustment. State anxiety was assessed in 98 women 1 day after receiving a mammogram screening (Time 1), after notification of a questionable screening result that necessitated additional testing (Time 2), and after being informed of their breast-cancer-free status (Time 3). Key findings include (a) women reported a significant increase in anxiety following notification of the need to return for follow-up testing; (b) significant and positive associations were found between anxiety and behavioral approach, behavioral avoidance, cognitive approach, and cognitive avoidance coping in cross-sectional analyses; and (c) cognitive avoidance coping was a strong predictor of final levels of state anxiety in women. Findings suggest that cognitive avoidance coping plays an important role in reducing anxiety in women recalled to clarify an initially ambiguous screening procedure. 相似文献
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D. Hernaus Z. Xu E. C. Brown R. Ruiz M. J. Frank J. M. Gold J. A. Waltz 《Cognitive, affective & behavioral neuroscience》2018,18(6):1338-1351
Individuals from across the psychosis spectrum display impairments in reinforcement learning. In some individuals, these deficits may result from aberrations in reward prediction error (RPE) signaling, conveyed by dopaminergic projections to the ventral striatum (VS). However, there is mounting evidence that VS RPE signals are relatively intact in medicated people with schizophrenia (PSZ). We hypothesized that, in PSZ, reinforcement learning deficits often are not related to RPE signaling per se but rather their impact on learning and behavior (i.e., learning rate modulation), due to dysfunction in anterior cingulate and dorsomedial prefrontal cortex (dmPFC). Twenty-six PSZ and 23 healthy volunteers completed a probabilistic reinforcement learning paradigm with occasional, sudden, shifts in contingencies. Using computational modeling, we found evidence of an impairment in trial-wise learning rate modulation (α) in PSZ before and after a reinforcement contingency shift, expressed most in PSZ with more severe motivational deficits. In a subsample of 22 PSZ and 22 healthy volunteers, we found little evidence for between-group differences in VS RPE and dmPFC learning rate signals, as measured with fMRI. However, a follow-up psychophysiological interaction analysis revealed decreased dmPFC-VS connectivity concurrent with learning rate modulation, most prominently in individuals with the most severe motivational deficits. These findings point to an impairment in learning rate modulation in PSZ, leading to a reduced ability to adjust task behavior in response to unexpected outcomes. At the level of the brain, learning rate modulation deficits may be associated with decreased involvement of the dmPFC within a greater RL network. 相似文献
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Gold JM Rehkemper G Binks SW Carpenter CJ Fleming K Goldberg TE Weinberger DR 《Journal of abnormal psychology》2000,109(3):534-538
Recent studies of patients with schizophrenia have consistently demonstrated marked deficits on measures of initial learning. However, contradictory results have been reported concerning retention and forgetting. The present study examined the level of initial and delayed recall of stories and visual figures in a group of 76 patients with schizophrenia and 51 normal controls. Schizophrenia patients demonstrated marked impairments in initial and delayed recall as well as significantly worse percentage retention scores. However, schizophrenia patients and healthy controls individually matched on level of initial recall had nearly identical delayed recall performance. The results suggest a primary deficit in the initial acquisition of information rather than an accelerated rate of forgetting in schizophrenia. 相似文献
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An open-label trial of bromocriptine in nonfluent aphasia: a qualitative analysis of word storage and retrieval 总被引:2,自引:0,他引:2
Anomia is a commonly found in aphasia and has been attributed to a loss of representations (storage deficit) or to a loss of access to these representations (retrieval deficit). Bromocriptine, a dopamine agonist, was tested on four patients, two men and two women, with nonfluent aphasia. The patients were tested in an open-label ABBA design using a stochastic model that measured the degree of storage and retrieval deficits. All patients showed significant improvements in word retrieval. Bromocriptine may be a useful adjunct in the treatment of selected patients with a nonfluent aphasia in which retrieval deficits play a major role. 相似文献