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121.
122.
Positive affect systematically influences performance on many cognitive tasks. A new neuropsychological theory is proposed that accounts for many of these effects by assuming that positive affect is associated with increased brain dopamine levels. The theory predicts or accounts for influences of positive affect on olfaction, the consolidation of long-term (i.e., episodic) memories, working memory, and creative problem solving. For example, the theory assumes that creative problem solving is improved, in part, because increased dopamine release in the anterior cingulate improves cognitive flexibility and facilitates the selection of cognitive perspective. 相似文献
123.
E. Ashby Plant B. Michelle Peruche David A. Butz 《Journal of experimental social psychology》2005,41(2):141-156
The current work proposes an approach for eliminating automatic bias by repeatedly exposing people to social stimuli where group membership (e.g., race) is unrelated to stereotypicality (e.g., being a violent criminal). Participants completed a computer program where they pretended they were police officers and decided as quickly as possible whether to shoot at Black and White suspects. Although initial responses to the program were biased by the race of the suspect, extensive practice with the program where race was unrelated to the presence or absence of a gun eliminated race biases immediately after practice (Study 1) and 24 h later (Study 2). However, this elimination of bias did not occur when race was related to the presence of a gun (Study 3). The final study (Study 4) revealed that extensive practice on the program led to the inhibition of racial concepts. The findings are discussed in terms of their implications for the elimination of automatic forms of bias. 相似文献
124.
The researchers in this study examined the association between adaptive and maladaptive dimensions of perfectionism and self‐esteem. Confirmatory factor analysis and structural equations modeling were used to develop and test a model derived from theoretical links between perfectionism and self‐esteem. Path models revealed that adaptive perfectionism was positively associated with self‐esteem and maladaptive perfectionism was negatively associated with self‐esteem. Implications of discriminating between adaptive and maladaptive perfectionism in counseling research and practice are discussed. 相似文献
125.
Burns AB Brown JS Sachs-Ericsson N Plant EA Curtis JT Fredrickson BL Joiner TE 《Personality and individual differences》2008,44(2):360-370
The broaden-and-build theory (Fredrickson, 1998, 2001) predicts that positive emotions broaden the scopes of attention and cognition, thereby facilitating the building of personal resources and initiating upward spirals toward increasing emotional well-being. This study attempts to replicate and extend previous empirical support for this model. Using a sample of 185 undergraduates, we assessed whether positive affect and broad-minded coping, interpersonal trust, and social support reciprocally and prospectively predict one another over a two-month period, and whether this upward spiral might be partially based in changes in dopaminergic functioning. As hypothesized, PA and positive coping did mutually build on one another, as did PA and interpersonal trust. Contrary to expectation, PA did not demonstrate an upward spiral relation with social support. Results suggest further study of the relationship between PA and changes in dopamine metabolite levels over time is warranted. 相似文献
126.
Many computational models in psychology predict how neural activation in specific brain regions should change during certain cognitive tasks. The emergence of fMRI as a research tool provides an ideal vehicle totest these predictions. Before such tests are possible, however, significant methodological problems must be solved. These problems include transforming the neural activations predicted by the model into predicted BOLD responses, identifying the voxels within each region of interest against which to test the model, and comparing the observed and predicted BOLD responses in each of these regions. In the present article, methods are described for solving each of these problems. 相似文献
127.
Blair Vinson Kleiber Jennifer N. Felder Bethany Ashby Stephen Scott Janet Dean Sona Dimidjian 《Cognitive and behavioral practice》2017,24(4):416-427
Depression is a prevalent and impairing problem affecting both women and offspring during the perinatal (pregnancy and the postpartum) period. Despite this, few studies have examined treatments for perinatal adolescents with depressive symptoms. The present study examined the feasibility and preliminary outcomes of a dialectical behavioral therapy (DBT) informed skills group among depressed adolescent perinatal women (N = 25) recruited from both a public health parent education program and an adolescent obstetric clinic. A brief composite case example is included to illustrate how DBT skills were taught, practiced, and applied. Findings suggest the intervention was credible, acceptable, and associated with improvement in depression. Challenges with feasibility of enrolling and retaining adolescent perinatal women were evident, as approximately half of the enrolled participants did not complete the study. This study provides preliminary evidence that a DBT-informed skills group may be a promising intervention for depressed adolescent perinatal women and points to important directions for clinical practice and research, including treatment engagement and retention. 相似文献
128.
129.
Gibbons FX Gerrard M Vande Lune LS Wills TA Brody G Conger RD 《Personality & social psychology bulletin》2004,30(8):1048-1061
This study examined the cognitions thought to mediate the impact of context on adolescent substance use and also the extent to which context moderates the relations between these cognitions and use. Risk cognitions and behaviors were assessed in a panel of 746 African American adolescents (M age 10.5 at Wave 1, 12.2 at Wave 2). Results indicated that adolescents living in high-risk neighborhoods were more inclined toward substance use and more likely to be using at Wave 2. These context effects were mediated by the adolescents' risk cognitions: their risk images, willingness to use, and intentions to use. Also, context moderated the relation between willingness and use (the relation was stronger in high-risk neighborhoods) but it did not moderate the intentions to use relation. 相似文献
130.
Maddox WT Ashby FG Bohil CJ 《Journal of experimental psychology. Learning, memory, and cognition》2003,29(4):650-662
The effect of immediate versus delayed feedback on rule-based and information-integration category learning was investigated. Accuracy rates were examined to isolate global performance deficits, and model-based analyses were performed to identify the types of response strategies used by observers. Feedback delay had no effect on the accuracy of responding or on the distribution of best fitting models in the rule-based category-learning task. However, delayed feedback led to less accurate responding in the information-integration category-learning task. Model-based analyses indicated that the decline in accuracy with delayed feedback was due to an increase in the use of rule-based strategies to solve the information-integration task. These results provide support for a multiple-systems approach to category learning and argue against the validity of single-system approaches. 相似文献