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51.
This paper provides evidence for a contrastive account of explanation that is motivated by pragmatic theories that recognize the contribution that context makes to the interpretation of a prompt for explanation. This study replicates the primary findings of previous work in explanation‐based category learning (Williams & Lombrozo, 2010), extending that work by illustrating the critical role of the context in this type of learning. Participants interacted with items from two categories either by describing the items or explaining their category membership. We manipulated the feature overlap between the categories and examined both the explanations generated and acquired knowledge of the categories. Explanations for membership in a given category were influenced by the unprompted contrast category, indicating an important role for contrastive processing in the generation of explanations. The influence of the contrast category was similarly seen in the transfer performance of the participants. 相似文献
52.
Weisskirch RS Kim SY Zamboanga BL Schwartz SJ Bersamin M Umaña-Taylor AJ 《Cultural diversity & ethnic minority psychology》2011,17(1):43-51
Children from immigrant families often translate communication for parents, a process known as language brokering (LB). LB begins in childhood, but may continue through emerging adulthood, even when individuals are in college. We surveyed 1,222 university students with two immigrant parents and compared non-language brokers, infrequent language brokers, and frequent language brokers on a variety of ethnic, cultural, and identity measures. Significant differences emerged for cultural heritage value orientation, ethnic identity, and dimensions of acculturation with frequent language brokers scoring highest, infrequent language brokers scoring in the middle, and non-language brokers scoring the lowest on these measures. There were no significant differences on acculturative stress among these three groups. These results suggest that LB experiences may contribute to the development of psychological assets for ethnic minority, emerging adults from immigrant families. 相似文献
53.
Munakata Y Herd SA Chatham CH Depue BE Banich MT O'Reilly RC 《Trends in cognitive sciences》2011,15(10):453-459
Inhibiting unwanted thoughts, actions and emotions figures centrally in daily life, and the prefrontal cortex (PFC) is widely viewed as a source of this inhibitory control. We argue that the function of the PFC is best understood in terms of representing and actively maintaining abstract information, such as goals, which produces two types of inhibitory effects on other brain regions. Inhibition of some subcortical regions takes a directed global form, with prefrontal regions providing contextual information relevant to when to inhibit all processing in a region. Inhibition within neocortical (and some subcortical) regions takes an indirect competitive form, with prefrontal regions providing excitation of goal-relevant options. These distinctions are crucial for understanding the mechanisms of inhibition and how they can be impaired or improved. 相似文献
54.
Schwartz SJ Weisskirch RS Zamboanga BL Castillo LG Ham LS Huynh QL Park IJ Donovan R Kim SY Vernon M Davis MJ Cano MA 《Journal of counseling psychology》2011,58(1):27-41
In the present study, we examined a bidimensional model of acculturation (which includes both heritage and U.S. practices, values, and identifications) in relation to hazardous alcohol use, illicit drug use, unsafe sexual behavior, and impaired driving. A sample of 3,251 first- and second-generation immigrant students from 30 U.S. colleges and universities completed measures of behavioral acculturation; cultural values (individualism, collectivism, and self-construal); ethnic and U.S. identity; and patterns of alcohol and drug use, engagement in potentially unsafe sexual activities, and driving while (or riding with a driver who was) intoxicated. Results indicate that heritage practices and collectivist values were generally protective against health risk behaviors, with collectivist values most strongly and consistently protective. Nonetheless, heritage identifications were positively associated with sexual risk taking for Hispanics. U.S. practices, values, and identifications were not consistently related to risk behavior participation. Results are discussed in terms of bidimensional approaches to acculturation, the immigrant paradox, and implications for counseling practice. 相似文献
55.
Two studies explored the stability of art preference in patients with Alzheimer's disease and age-matched control participants. Preferences for three different styles of paintings, displayed on art postcards, were examined over two sessions. Preference for specific paintings differed among individuals but AD and non-AD groups maintained about the same stability in terms of preference judgments across two weeks, even though the AD patients did not have explicit memory for the paintings. We conclude that aesthetic responses can be preserved in the face of cognitive decline. This should encourage caregivers and family to engage in arts appreciation activities with patients, and reinforces the validity of a preference response as a dependent measure in testing paradigms. 相似文献
56.
Stress management interventions for HIV+ adults: a meta-analysis of randomized controlled trials, 1989 to 2006. 总被引:1,自引:0,他引:1
Lori A J Scott-Sheldon Seth C Kalichman Michael P Carey Robyn L Fielder 《Health psychology》2008,27(2):129-139
OBJECTIVE: Numerous studies document that stress accelerates disease processes in a variety of diseases including HIV. As a result, investigators have developed and evaluated interventions to reduce stress as a means to improve health among persons living with HIV. Therefore, the current meta-analysis examines the impact of stress-management interventions at improving psychological, immunological, hormonal, and other behavioral health outcomes among HIV+ adults. DESIGN: This meta-analytic review integrated the results of 35 randomized controlled trials examining the efficacy of 46 separate stress management interventions for HIV+ adults (N=3,077). MAIN OUTCOME MEASURES: Effect sizes were calculated for stress processes (coping and social support), psychological/psychosocial (anxiety, depression, distress, and quality of life), immunological (CD4+ counts and viral load), hormonal (cortisol, dehydroepiandrosterone sulfate [DHEA-S], cortisol/DHEA-S ratio, and testosterone) and other behavioral health outcomes (fatigue). RESULTS: Compared to controls, stress-management interventions reduce anxiety, depression, distress, and fatigue and improve quality of life (d+s=0.16 to 0.38). Stress-management interventions do not appear to improve CD4+ counts, viral load, or hormonal outcomes compared with controls. CONCLUSION: Overall, stress-management interventions for HIV+ adults significantly improve mental health and quality of life but do not alter immunological or hormonal processes. The absence of immunological or hormonal benefits may reflect the studies' limited assessment period (measured typically within 1-week postintervention), participants' advanced stage of HIV (HIV+ status known for an average of 5 years), and/or sample characteristics (predominately male and White participants). Future research might test these hypotheses and refine our understanding of stress processes and their amelioration. 相似文献
57.
Three experiments demonstrated that the use and effectiveness of self-presentation strategies are affected by time. In Experiment 1, participants used more indirect self-presentation statements for the distant than near future, but used more direct self-presentation statements for the near than distant future. In Experiment 2, participants for whom indirect self-presentation strategies were made accessible rated a future interview as more temporally distant than those for whom direct self-presentation strategies were made accessible. In Experiment 3, participants rated their self-presentation attempts as more effective if they used direct strategies for the near future and indirect strategies for the distant future. Implications for studying the timing of self-presentation and its relation to temporal construal levels are discussed. 相似文献
58.
Seth C. Kalichman Demetria Cain 《Journal of clinical psychology in medical settings》2008,15(2):127-133
HIV testing and counseling expends considerable HIV prevention resources and offers great opportunities for HIV risk reduction.
Individuals who are at risk for HIV and have not been HIV tested are the focus of current targeted testing campaigns and yet
persons who are repeatedly tested for HIV often continue engaging in high-risk practices. This study examined HIV testing,
risk behaviors, and other medical diagnostic testing practices of men (N = 231) and women (N = 86) attending an inner-city sexually transmitted infections (STI) clinic. Results showed that 75 (23%) participants had
not yet been tested for HIV, 45 (14%) had been tested once, and 197 (63%) had been tested two or more times. Patients that
had not been tested and those who were repeatedly tested were similar in their risk behaviors; both demonstrated significantly
greater risks for HIV than persons tested just once, although repeat testers were more likely to have had a past STI. HIV
testing history was minimally associated with other medical testing and health protective practices, such as testicular self-examination,
mammography, and having had PAP tests. Results support targeting high-risk untested persons for HIV testing and suggest an
urgent need for interventions to reduce risk behaviors among STI clinic patients who repeatedly test for HIV. 相似文献
59.
The present longitudinal study extends the findings of earlier cross-sectional studies (Waterman, Schwartz, Green, Miller, & Philip, 2003) on the subjective experience of intrinsic motivation. University students generated lists of personally salient (identity-related) activities at the beginning of an academic semester and were asked to evaluate these activities at three points during the semester. Drawing on theories of intrinsic motivation, three subjective indices of intrinsic motivation (interest, flow experiences, and feelings of personal expressiveness) and three theoretically derived predictor variables (self-determination, the balance of challenges and skills, and self-realization values) were used in the present study. Cross-sectional relationships between the predictors and subjective experience indices at each timepoint replicated those observed in previous research. Hierarchical linear modeling was used to demonstrate that, as hypothesized, increases or decreases in the predictor variables between timepoints were associated with corresponding increases or decreases in the subjective experience indices. Implications for the study of intrinsic motivation are discussed. 相似文献
60.
Affect is a form of cognition: A neurobiological analysis 总被引:2,自引:0,他引:2
In this paper, we suggest that affect meets the traditional definition of "cognition" such that the affect-cognition distinction is phenomenological, rather than ontological. We review how the affect-cognition distinction is not respected in the human brain, and discuss the neural mechanisms by which affect influences sensory processing. As a result of this sensory modulation, affect performs several basic "cognitive" functions. Affect appears to be necessary for normal conscious experience, language fluency, and memory. Finally, we suggest that understanding the differences between affect and cognition will require systematic study of how the phenomenological distinction characterising the two comes about, and why such a distinction is functional. 相似文献