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891.
The anterior thalamic nuclei (ATN) are important for learning and memory as damage to this region produces a persistent amnestic syndrome. Dense connections between the ATN and the hippocampus exist, and importantly, damage to the ATN can impair hippocampal functioning. Acetylcholine (ACh) is a key neurotransmitter in the hippocampus, and in vivo measures of ACh are correlated to learning and memory performance. In the present study, complete lesions of the ATN impaired performance on two measures of hippocampal-dependent learning and memory (spontaneous alternation and delayed alternation) and severely disrupted behaviorally evoked ACh efflux within the hippocampus of adult male rats. In contrast, incomplete ATN lesions did not impair spontaneous alternation performance but did impair delayed alternation performance while blunting hippocampal ACh efflux. Interestingly, ATN lesions of any size did not affect basal concentrations of ACh in the hippocampus. These results demonstrate that the ATN have the capacity to modulate behaviorally relevant neuronal transmission within the hippocampus. 相似文献
892.
Ryan Hamilton Kathleen D. Vohs Anne-Laure Sellier Tom Meyvis 《Organizational behavior and human decision processes》2011,115(1):13-24
The human psyche is equipped with the capacity to solve problems using different mental states or mindsets. Different mindsets can lead to different judgment and decision making styles, each associated with its own perspective and biases. To change perspective, people can, and often do, switch mindsets. We argue, however, that mindset switching can be costly for subsequent decisions. We propose that mindset switching is an executive function that relies on the same psychological resource that governs other acts of executive functioning, including self-regulation. This implies that there are psychic costs to switching mindsets that are borne out in depleted executive resources. One implication of this framework is that switching mindsets should render people more likely to fail at subsequent self-regulation than they would if maintaining a consistent mindset. The findings from experiments that manipulated mindset switching in five domains support this model. 相似文献
893.
Perceptions of cognitive compensation and interpersonal enjoyment of collaboration were examined in three hundred middle-aged and older couples who completed measures of perceptions of collaboration, cognitive ability, marital satisfaction, an errand task and judged their spouse's affiliation. Older adults (especially men) endorsed cognitive compensation and interpersonal enjoyment and reported using collaboration more frequently than middle-aged adults. Greater need for cognitive compensation was related to lower cognitive ability only for older wives. Greater marital satisfaction was associated with greater interpersonal enjoyment. These two functions related to reports of more frequent use of collaboration and perceptions of spousal affiliation in a collaborative task. 相似文献
894.
Two studies investigated the impact of affective and cognitive messages compared to a no-message control on self-reported exercise. Students (Study 1, N = 383 and Study 2, N = 197) were randomly allocated to one of the three conditions (control - no message, affective message or cognitive message). Participants completed questionnaire measures tapping components of the theory of planned behaviour in relation to exercise and reported their level of exercise (3 weeks later). In Study 2, measures of need for affect (NFA) and need for cognition (NFC) were also completed. Results showed that affective messages consistently produced greater increases in self-reported level of exercise than the other conditions. In both studies, this effect was partly mediated by affective attitude change. Study 2 indicated these effects to be significantly stronger among those high in NFA or low in NFC. These findings indicate the value of affective messages that target affective attitudes in changing exercise behaviour. 相似文献
895.
Ryan?C.?MartinEmail author Eric?R.?Dahlen 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2011,29(2):65-76
Recently, Martin and Dahlen (J Ration Emot Cogn Behav Ther 25:155–173, 2007) developed the Angry Cognitions Scale (ACS), a theoretically derived instrument designed to measure the cognitive processes
related to anger. This instrument has the potential to inform clinical and research perspectives of anger. Although preliminary
evidence for the reliability and validity of the ACS was positive, further research is required regarding the ACS’s temporal
stability and predictive validity. The current project sought to address this concern by assessing the six-week test–retest
reliability of the ACS, exploring relationships between the ACS subscales and the experience and expression of anger, and
assessing the ability of the ACS to predict cognitive and emotional responses to provocation. The ACS demonstrated adequate
test–retest reliability and predicted hostile thoughts and state anger following provocation. Thus, results contribute to
the literature on the ACS and support its use as a measure of cognitive processes associated with anger. 相似文献
896.
This study adopted a developmental perspective on recovery from conflict in romantic relationships. Participants were 73 young adults (target participants), studied since birth, and their romantic partners. A novel observational coding scheme was used to evaluate each participant's degree of conflict recovery, operationalized as the extent to which the participant disengaged from conflict during a 4-min "cool-down" task immediately following a 10-min conflict discussion. Conflict recovery was systematically associated with developmental and dyadic processes. Targets who were rated as securely attached more times in infancy recovered from conflict better, as did their romantic partners. Concurrently, having a romantic partner who displayed better recovery predicted more positive relationship emotions and greater relationship satisfaction. Prospectively, target participants' early attachment security and their partners' degree of conflict recovery interacted to predict relationship stability 2 years later, such that having a partner who recovered from conflict better buffered targets with insecure histories. 相似文献
897.
Robert W. Lent Laura Nota Salvatore Soresi Maria C. Ginevra Ryan D. Duffy Steven D. Brown 《Journal of Vocational Behavior》2011,(1):91-97
This study tested a social cognitive model of work and life satisfaction (Lent & Brown, 2006, 2008) in a sample of 235 Italian school teachers. The model offered good overall fit to the data, though not all individual path coefficients were significant. Three of five predictors (favorable work conditions, efficacy-relevant supports, and positive affectivity) produced significant, direct paths to job satisfaction. Job satisfaction, progress at personal work goals, and positive affectivity were predictive of teachers' life satisfaction. Task self-efficacy was related indirectly both to job satisfaction (via work conditions) and life satisfaction (via goal progress). Implications of the findings for future research and efforts to promote teachers' job satisfaction are discussed. 相似文献
898.
The present study examined the relation of calling and academic satisfaction with a diverse sample of 312 undergraduate students. The presence of a calling was moderately correlated with academic satisfaction, and a multiple mediation model was utilized to test three potential mediators to this relation: career decision self-efficacy, work hope, and meaning in life. Using bootstrapping techniques, significant indirect effects were found for two of the three mediators, career decision self-efficacy, and work hope. After including the mediators in the model, the relation of calling and academic satisfaction was non-significant. These results indicate that calling relates to greater satisfaction in the academic domain in part because of increased career decision self-efficacy and work hope. Directions for future research are discussed. 相似文献
899.
Shannon A. Gadbois Ryan D. Sturgeon 《The British journal of educational psychology》2011,81(2):207-222
Background. Academic self‐handicapping (ASH) tendencies, strategies students employ that increase their chances of failure on assessments while protecting self‐esteem, are correlated with classroom goal structures and to learners' general self‐perceptions and learning strategies. In particular, greater ASH is related to poorer academic performance but has yet to be examined with respect to learners' performance across a series of tests. Aims. This research was designed to examine the relationship between students' ASH tendencies and their self‐concept clarity, learning strategies, and performance on a series of tests in a university course. Sample. A total of 209 (153 female; 56 male) Canadian university psychology students participated in this study. Methods. Participants' ASH tendencies, self‐concept clarity, approaches to learning, and self‐regulatory learning strategies were assessed along with expected grades and hours of study in the course from which they were recruited. Finally, students' grades were obtained for the three tests for the course from which they were recruited. Results. Students reporting greater self‐handicapping tendencies reported lower self‐concept clarity, lower academic self‐efficacy, greater test anxiety, more superficial learning strategies, and scored lower on all tests in the course. The relationships of ASH scores and learner variables with performance varied across the three performance indices. In particular, ASH scores were more strongly related to second and third tests, and prior performances were accounted for. ASH scores accounted for a relatively small but significant proportion of variance for all three tests. Conclusions. These results showed that ASH is a unique contributing factor in student performance outcomes, and may be particularly important after students complete the initial assessment in a course. 相似文献
900.
Silk JS Forbes EE Whalen DJ Jakubcak JL Thompson WK Ryan ND Axelson DA Birmaher B Dahl RE 《Journal of experimental child psychology》2011,110(2):241-257
This study used a new cell phone ecological momentary assessment approach to investigate daily emotional dynamics in 47 youths with major depressive disorder (MDD) and 32 no-psychopathology controls (CON) (ages 7-17 years). Information about emotional experience in the natural environment was obtained using answer-only cell phones, while MDD youths received an 8-week course of cognitive behavioral therapy and/or psychopharmacological treatment. Compared with CON youths, MDD youths reported more intense and labile global negative affect; greater sadness, anger, and nervousness; and a lower ratio of positive to negative affect. These differences increased with pubertal maturation. MDD youths spent more time alone and less time with their families than CON youths. Although differences in emotional experiences were found across social contexts, MDD youths were more negative than CON youths in all contexts examined. As the MDD participants progressed through treatment, diagnostic group differences in the intensity and lability of negative affect decreased, but there were no changes in the ratio of positive to negative affect or in measures of social context. We discuss methodological innovations and advantages of this approach, including improved ecological validity and access to information about variability in emotions, change in emotions over time, the balance of positive and negative emotions, and the social context of emotional experience. 相似文献