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101.
This research investigates the role of implicit theories in influencing the effectiveness of successful role models in the leadership domain. Across two studies, the authors test the prediction that incremental theorists ("leaders are made") compared to entity theorists ("leaders are born") will respond more positively to being presented with a role model before undertaking a leadership task. In Study 1, measuring people's naturally occurring implicit theories of leadership, the authors showed that after being primed with a role model, incremental theorists reported greater leadership confidence and less anxious-depressed affect than entity theorists following the leadership task. In Study 2, the authors demonstrated the causal role of implicit theories by manipulating participants' theory of leadership ability. They replicated the findings from Study 1 and demonstrated that identification with the role model mediated the relationship between implicit theories and both confidence and affect. In addition, incremental theorists outperformed entity theorists on the leadership task. 相似文献
102.
Previous experiments have assessed planning during sequential responding to computer generated stimuli by Old World nonhuman primates including chimpanzees and rhesus macaques. However, no such assessment has been made with a New World primate species. Capuchin monkeys (Cebus apella) are an interesting test case for assessing the distribution of cognitive processes in the Order Primates because they sometimes show proficiency in tasks also mastered by apes and Old World monkeys, but in other cases fail to match the proficiency of those other species. In two experiments, eight capuchin monkeys selected five arbitrary stimuli in distinct locations on a computer monitor in a learned sequence. In Experiment 1, shift trials occurred in which the second and third stimuli were transposed when the first stimulus was selected by the animal. In Experiment 2, mask trials occurred in which all remaining stimuli were masked after the monkey selected the first stimulus. Monkeys made more mistakes on trials in which the locations of the second and third stimuli were interchanged than on trials in which locations were not interchanged, suggesting they had already planned to select a location that no longer contained the correct stimulus. When mask trials occurred, monkeys performed at levels significantly better than chance, but their performance exceeded chance levels only for the first and the second selections on a trial. These data indicate that capuchin monkeys performed very similarly to chimpanzees and rhesus monkeys and appeared to plan their selection sequences during the computerized task, but only to a limited degree. 相似文献
103.
The rat visual system is structured such that the large (>90?%) majority of retinal ganglion axons reach the contralateral lateral geniculate nucleus (LGN) and visual cortex (V1). This anatomical design allows for the relatively selective activation of one cerebral hemisphere under monocular viewing conditions. Here, we describe the design of a harness and face mask allowing simple and noninvasive monocular occlusion in rats. The harness is constructed from synthetic fiber (shoelace-type material) and fits around the girth region and neck, allowing for easy adjustments to fit rats of various weights. The face mask consists of soft rubber material that is attached to the harness by Velcro strips. Eyeholes in the mask can be covered by additional Velcro patches to occlude either one or both eyes. Rats readily adapt to wearing the device, allowing behavioral testing under different types of viewing conditions. We show that rats successfully acquire a water-maze-based visual discrimination task under monocular viewing conditions. Following task acquisition, interocular transfer was assessed. Performance with the previously occluded, ??untrained?? eye was impaired, suggesting that training effects were partially confined to one cerebral hemisphere. The method described herein provides a simple and noninvasive means to restrict visual input for studies of visual processing and learning in various rodent species. 相似文献
104.
Yumul Joy Noelle Crowe Louise Catroppa Cathy Anderson Vicki McKinlay Audrey 《Neuropsychology review》2022,32(3):631-650
Neuropsychology Review - Mild traumatic brain injury (mTBI) is common in children aged?<?5 years, however, less is known about their experience of post-concussive signs... 相似文献
105.
Acute aerobic exercise can be beneficial to episodic memory. This benefit may occur because exercise produces a similar physiological response as physical stressors. When administered during consolidation, acute stress, both physical and psychological, consistently enhances episodic memory, particularly memory for emotional materials. Here we investigated whether a single bout of resistance exercise performed during consolidation can produce episodic memory benefits 48 h later. We used a one-leg knee extension/flexion task for the resistance exercise. To assess the physiological response to the exercise, we measured salivary alpha amylase (a biomarker of central norepinephrine), heart rate, and blood pressure. To test emotional episodic memory, we used a remember-know recognition memory paradigm with equal numbers of positive, negative, and neutral IAPS images as stimuli. The group that performed the exercise, the active group, had higher overall recognition accuracy than the group that did not exercise, the passive group. We found a robust effect of valence across groups, with better performance on emotional items as compared to neutral items and no difference between positive and negative items. This effect changed based on the physiological response to the exercise. Within the active group, participants with a high physiological response to the exercise were impaired for neutral items as compared to participants with a low physiological response to the exercise. Our results demonstrate that a single bout of resistance exercise performed during consolidation can enhance episodic memory and that the effect of valence on memory depends on the physiological response to the exercise. 相似文献
106.
107.
Owen Richard Lightsey Jr. Richelle McGhee Audrey Ervin George Gharibian Gharghani Eli Benjamin Rarey Rosaire Patrick Daigle Katherine Frances Wright Donnalin Constantin Kevin Powell 《Journal of Happiness Studies》2013,14(1):1-18
Life satisfaction is an important index of mental health and also predicts other important outcomes such as longevity and decreased mortality. Negative affect has a unique inverse relationship with life satisfaction across the life span. Therefore, determining psychological factors that uniquely predict future life satisfaction and that reduce the trait negative affect—life satisfaction relationship is theoretically and clinically important. In light of recent evidence from long-term longitudinal studies that self-efficacy for regulation of negative emotions (SERN) predicts higher future life satisfaction, as well as evidence from a cross-sectional study that a subtype of SERN—self-efficacy for regulating anger—buffers the relationship between trait negative affect and life satisfaction, we tested whether SERN and subtypes of SERN predicted higher life satisfaction and buffered the negative affect—life satisfaction relationship longitudinally over short time periods. After controlling for time 1 life satisfaction, higher time 1 self-efficacy for regulating despondency and distress (SEDes) predicted higher future life satisfaction over average time periods of 17 days (N = 127), 32 days (N = 83), and 41 days (N = 65) among college students. However, in post hoc exploratory regressions that included self-efficacy for experience and expression of positive emotions (SEPos), SEDes predicted higher time 2 life satisfaction, but only SEPos uniquely predicted higher time 3 and time 4 life satisfaction. 相似文献
108.
Mark A. Yarhouse Audrey Atkinson Holly Doolin Jennifer S. Ripley 《The American journal of family therapy》2013,41(2):138-150
Mixed-orientation couples (MOC) are under-represented in the literature. Often when sexual minorities disclose their sexual orientation it is a stressful experience for their spouse who progresses through stages and experiences both negative and supportive responses as they address disclosure-related issues. Participants completed an online survey and then repeated the same process a year later to measure changes in forgiveness and experience. Forgiveness was shown to play a role in how spouses progress through the post-disclosure stages. In addition, forward movement was seen in both forgiveness and stages over the course of one year. Implications for therapy with MOC are discussed. 相似文献
109.
110.
Christopher Lopata Jennifer A. Toomey Jeffery D. Fox Martin A. Volker Sabrina Y. Chow Marcus L. Thomeer Gloria K. Lee Jonathan D. Rodgers Christin A. McDonald Audrey M. Smerbeck 《Journal of abnormal child psychology》2010,38(6):765-776
The purpose of this study was to: (1) examine symptom levels of anxiety and depression in children with high-functioning autism
spectrum disorders (HFASDs) compared with matched control children using child self-reports and parent ratings; and (2) examine
source differences within the two condition groups. An overall multivariate effect indicated significantly elevated depression
and anxiety symptoms for children with HFASDs based on parent reports; however no significant between-group differences based
on child self-reports. Within-condition source comparisons (parent vs. child) revealed a significant multivariate effect indicating
a significant difference in symptoms of depression and anxiety for the HFASD group but none for the control. Correlations
between parent and child reports for the HFASD group suggested some positive association between child-reports and parent-reports
for depressive symptoms only; however, the difference in average scores reflected a substantial discrepancy in the magnitude
of symptoms by rater. Implications for clinical assessment and future research are provided. 相似文献