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91.
92.
Necturus maculosus has been selected as representative of a class of neotenic amphibia whose behavior (including gill beat, heartbeat, and tail waving) can be sensed remotely by submerged electrodes in an aquarium. This communication presents a validation of the technique as a preface to reports on the electrophysiology of behavior in unrestrained surgically naive salamanders. Although the sources of the submarine signals are not known with certainty, they apparently depend on two factors: (1) aquarium water of appropriate ionic strength serves as a volume conductor for activity, and (2) animal movement displaces water or produces waves which are sensed as a change in potential at the water-electrode interface. This method provides a continuous comprehensive record of behavior simultaneously from several response systems in a freely behaving animal. 相似文献
93.
What Triggers Anger in Everyday Life? Links to the Intensity,Control, and Regulation of These Emotions,and Personality Traits
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Todd B. Kashdan Fallon R. Goodman Travis T. Mallard C. Nathan DeWall 《Journal of personality》2016,84(6):737-749
Why do people experience anger? Most of our knowledge on anger‐triggering events is based on the study of reactions at a single time point in a person's life. Little research has examined how people experience anger in their daily life over time. In this study, we conducted a comprehensive examination of the situational determinants of anger over the course of 3 weeks. Using daily diary methodology, people (N = 173; 2,342 anger episodes) reported their most intense daily anger and, with an open‐ended format, described the trigger. Participants also answered questions on anger intensity, control, and regulatory strategies, along with baseline personality trait measures. Using an iterative coding system, five anger trigger categories emerged: other people, psychological and physical distress, intrapersonal demands, environment, and diffuse/undifferentiated/unknown. Compared with other triggers, when anger was provoked by other people or when the source was unknown, there was a stronger positive association with anger intensity and lack of control. Personality traits (i.e., anger, mindfulness, psychological need satisfaction, the Big Five) showed few links to the experience and regulation of daily anger. Although aversive events often spur anger, the correlates and consequences of anger differ depending on the source of aversion; personality traits offer minimal value in predicting anger in daily life. 相似文献
94.
Comparison of the Effects of Telephone Suicide Prevention Help by Volunteers and Professional Paid Staff: Results from Studies in the USA and Quebec,Canada
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Brian L. Mishara PhD Marc Daigle PhD Cécile Bardon PhD François Chagnon PhD Bogdan Balan MD PhD Sylvaine Raymond MA Julie Campbell MA 《Suicide & life-threatening behavior》2016,46(5):577-587
Research since the 1960s has consistently found that lay volunteers are better at helping suicidal callers than professionals. Yet, professional degrees are increasingly becoming requirements for helpline workers. In our first study, we conducted post hoc comparisons of U.S. helplines with all professional paid staff, all lay volunteers, and a mix of both, using silent monitoring and standardized assessments of 1,431 calls. The volunteer centers more often conducted risk assessments, had more empathy, were more respectful of callers, and had significantly better call outcome ratings. A second study of five Quebec suicide prevention centers used silent monitoring to compare telephone help in 1,206 calls answered by 90 volunteers and 39 paid staff. Results indicate no significant differences between the volunteers and paid employees on outcome variables. However, volunteers and paid staff with over 140 hours of call experience had significantly better outcomes. Unlike the United States, Quebec paid employees were not required to have advanced professional degrees. We conclude from these results and previous research that there is no justification for requiring that suicide prevention helpline workers be mental health professionals. In fact, the evidence to date indicates that professionals may be less effective in providing telephone help to suicidal individuals when compared to trained lay volunteers. 相似文献
95.
96.
Dehumanisation of opponents in conflict has been shown to be a common and damaging feature in the media. What is not understood is how this dehumanisation is challenged, which is the novel contribution that this research will make. Drawing on focus groups (four focus groups each with four to six participants) conducted in the West Bank in 2015 that discussed media coverage of international conflict, this article demonstrates the ways in which young Palestinian participants attempt to rehumanize themselves in the context of the Israeli–Palestinian conflict. Discursive analysis demonstrates how this was achieved in a number of ways: categorising Palestinians as “human being”; by directly and explicitly challenging the suggestion that Palestinians are less than human; by drawing the enemy into the category “human”; and by embodying the “human.” These findings, the first to address the talk of young Palestinians about the reporting of violent conflicts around the world, demonstrate the importance of categorization and how, in this case, the specifics of the use of the (human) category work to rehumanize Palestinians in the face of (claims of) dehumanisation. 相似文献
97.
Sarah J. Goodman Danielle S. Roubinov Nicole R. Bush Mina Park Pau Farr Eldon Emberly Clyde Hertzman Marilyn J. Essex Michael S. Kobor W. Thomas Boyce 《Developmental science》2019,22(2)
A growing body of research has documented associations between adverse childhood environments and DNA methylation, highlighting epigenetic processes as potential mechanisms through which early external contexts influence health across the life course. The present study tested a complementary hypothesis: indicators of children's early internal, biological, and behavioral responses to stressful challenges may also be linked to stable patterns of DNA methylation later in life. Children's autonomic nervous system reactivity, temperament, and mental health symptoms were prospectively assessed from infancy through early childhood, and principal components analysis (PCA) was applied to derive composites of biological and behavioral reactivity. Buccal epithelial cells were collected from participants at 15 and 18 years of age. Findings revealed an association between early life biobehavioral inhibition/disinhibition and DNA methylation across many genes. Notably, reactive, inhibited children were found to have decreased DNA methylation of the DLX5 and IGF2 genes at both time points, as compared to non‐reactive, disinhibited children. Results of the present study are provisional but suggest that the gene's profile of DNA methylation may constitute a biomarker of normative or potentially pathological differences in reactivity. Overall, findings provide a foundation for future research to explore relations among epigenetic processes and differences in both individual‐level biobehavioral risk and qualities of the early, external childhood environment. 相似文献
98.
99.
Michael L. Goodman Hani Serag Lauren Raimer‐Goodman Philip Keiser Stanley Gitari 《American journal of community psychology》2017,60(1-2):257-266
Efforts to reduce intimate partner violence in sub‐Saharan Africa generally approach the issue through the lens of women's empowerment. These efforts include foci on women's relative power in the relationship, educational background, and earning potential. The social status of men has largely been ignored, reducing the potential to involve them in efforts to demote intimate partner violence. In this study we consider whether a man's perceived social status predicts conflict tactics, and whether these tactics are mediated by loneliness and collective self‐esteem from a community‐based sample in semi‐rural Kenya (n = 263). We find that men who reported lower perceived social status also reported significantly more frequent violent conflicts with their intimate partners. This association was significantly, and completely, mediated by lower collective self‐esteem and higher loneliness. There was no direct association between subjective social status and negotiation‐based conflict tactics, although there was an indirect association. Men with higher perceived social status reported higher collective self‐esteem, and men with higher collective self‐esteem reported more negotiation‐based conflict tactics. These findings inform efforts to reduce intimate partner violence by involving men, showing potential to reduce violence by building self‐esteem among men—particularly those with lower perceived social status. 相似文献
100.
The just world hypothesis as an argumentative resource in debates about unemployment benefits
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The concept of the “just world” is established as a key explanation for how people make sense of inequality so that those deemed to score high in belief in a just world are more likely to hold prejudicial beliefs and to blame people in poverty for their situations. However, this is an inadequate explanation for such complicated and controversial issues. To better understand talk about the just world and the controversial issue of the distribution of unemployment benefits (an issue of inequality), a discursive psychological approach to the just world is used. Therefore, a discourse analysis focusses on 2 feature length British televised discussions about benefit claimants called “The Big Benefit Row: Live” (Channel 5 3/2/2014) and “Benefits Britain: the Debate” (Channel 4 17/2/2014). The analysis demonstrates that people draw on both just and unjust world arguments simultaneously and also topicalise what counts as just so as to support their positions on unemployment benefits, rather than in the consistent way that just world theory would predict. It is therefore argued that the just world should be recast as a cultural value that facilitates arguments about benefits, rather than an internally held belief. 相似文献