排序方式： 共有122条查询结果，搜索用时 15 毫秒
91.
为考察睾酮素与反社会倾向未成年犯攻击行为的关系,在整合攻击行为生物激素视角和社会认知视角的基础上,探究敌意注意偏向的中介作用与皮质醇的调节作用。对84名未成年犯的激素水平、敌意注意偏向以及攻击行为进行调查。结果显示：(1)敌意注意偏向(注意不稳定性、注意回避)在睾酮素对攻击行为的影响中起完全中介作用;(2)皮质醇调节睾酮素与敌意注意偏向的关系,仅在高皮质醇水平下,敌意注意偏向的中介效应显著。基于生物激素影响攻击行为的中介机制和调节机制,可尝试从增加对敌意刺激的注意回避和提高皮质醇水平两个方面对反社会倾向未成年犯的攻击暴力行为进行干预。 相似文献
92.
为探索应激对决策的作用机理及其个体差异,减少工程作业中因应激导致的决策失误,本研究采用特里尔社会应激测试和气球模拟风险任务考察应激反应与应激下风险倾向的关系,并探索兴奋易感性在其中的调节作用。研究结果表明,应激下个体的皮质醇反应越大,行为越冒险。且这一作用受到兴奋易感性的调节：兴奋易感性较高的个体,应激下皮质醇反应越大,行为越冒险;而兴奋易感性较低的个体,其皮质醇变化不能预测风险倾向。该发现提示了兴奋易感性在应激影响中的重要作用,也为高压岗位的人员选拔提供了科学启示。 相似文献
93.
94.
Vaillancourt T Duku E Decatanzaro D Macmillan H Muir C Schmidt LA 《Aggressive behavior》2008,34(3):294-305
We examined the relationship between being bullied during childhood and activity of the hypothalamic-pituitary-adrenal (HPA) axis as assessed through repeated measures of salivary cortisol. A non-clinical sample of 154 (74 boys) predominantly Caucasian middle-class 12-year-olds each provided detailed information about their experiences with bullying and six saliva samples were standardized across time and day. Children with a history of child maltreatment, diagnosed psychiatric illness, foster care placement, medication use (psychotropic and oral contraception) and aggression directed toward peers and/or family members were excluded. Using multilevel regression and applying orthogonal polynomial contrasts to model the observed circadian pattern in the data, we found that occasional and frequent verbal peer victimization was associated with hyposecretion of cortisol when controlling for sex, pubertal status, age, depression and anxiety. This relation, however, was moderated by sex. For boys, occasional exposure was associated with higher cortisol levels, whereas for girls exposure was associated with lower cortisol levels. The present study highlights the need to consider the plight of peer-victimized children seriously, as it is associated with alterations to the HPA axis that affect males and females differently, and likely diminishes a person's ability to cope with stress, possibly placing them at risk for psychopathology and ill health. 相似文献
95.
Previous studies offer contradictory evidence regarding the effects of cortisol changes on health outcomes for surgical heart patients. Increased cortisol and inflammation have been related to psychological stress while separate studies have found an inverse relation between cortisol and inflammation. Psychological preparations for surgery can reduce stress and improve outcomes and may interact with cortisol changes. Following from these relationships, we hypothesised that a preparation for surgery will interact with changes in cortisol to affect outcomes. Measures were the SF 36 General Health and Activities, medical visits and satisfaction. Eighty-five patients were randomly assigned to standard care plus a psychological preparation or standard care alone using a single-blind methodology. Data on psychological and biological functioning were collected at admission, 1 day prior and 5 days post-surgery, and 12-months after hospital discharge. General health and activities, and medical visits were related to the interaction of cortisol change and psychological preparation in support of the hypothesis. Patients were more satisfied in the preparation group than controls. Based on these findings, some outcomes from psychological preparations may be affected by changes in levels of cortisol. These results caution against a one-size-fits-all approach to psychological preparations. 相似文献
96.
A novel \"field\" study recently published in Aggressive Behavior found that individual differences in baseline testosterone concentrations were positively correlated with endorsement of political aggression and that baseline cortisol concentrations were negatively correlated with self-reported aggression among Palestinian boys living in Gaza. Here, we discuss recent evidence indicating that testosterone and cortisol interact to predict competitive, aggressive, and dominant behaviors and urge researchers collecting both hormones to perform and report analyses that formally test for such interaction effects. 相似文献
97.
Neil Bernard Boyle Clare Lawton Karin Arkbage Lars Thorell Louise Dye 《Anxiety, stress, and coping》2013,26(6):690-699
The capacity of psychosocial stressors to provoke the hypothalamic–pituitary–adrenal axis has been demonstrated to vary depending upon a number of psychological factors. Laboratory stressors characterized by social-evaluative threat are proposed to be the most efficacious in the elicitation of a cortisol stress response. Salivary cortisol, cardiovascular, and subjective responses of 16 healthy adults facing a naturalistic stressor characterized by social-evaluative threat (competitive performance auditions) were examined. Audition exposure was sufficient to provoke significant cortisol, arterial blood pressure (systolic and diastolic), and subjective stress responses. Cortisol response reactivity (area under the curve with respect to increase [AUCi]) also correlated with participants' subjective rating of social-evaluative threat. The competitive performance audition context is therefore considered a promising context in which to further explore cortisol responsivity to social-evaluative threat. 相似文献
98.
E. Gonzalez‐Bono A. Salvador J. Ricarte M.A. Serrano M. Arnedo 《Aggressive behavior》2000,26(3):235-240
Mood, personal merit, and/or its perception have been suggested to be mediating factors in testosterone responses to competition. Previously we have found that personal contribution and attribution were related to testosterone levels after successful competition. To confirm such associations, two basketball teams (n = 17 players) that emerged as winners in two actual matches were studied. Salivary testosterone levels and mood were measured before and after the games. Individual contribution to the outcome was assessed, and personal satisfaction and causal attribution of outcome were reported by players. Testosterone concentrations increased to near significance in Team 1 but not in Team 2, who attributed their victory more to luck than did Team 1. This latter team showed notably decreased vigor, and both teams showed fatigue at the end of the match. Post‐match testosterone levels were only significantly, negatively related to external attribution. The results support the idea that causal attribution of the outcome is contributing to the variance of the testosterone responses to real confrontations where the outcome is highly dependent on personal merit. Aggr. Behav. 26:235–240, 2000. © 2000 Wiley‐Liss, Inc. 相似文献
99.
Major Depressive Disorder (MDD) is often associated with high levels of stress and disturbances in the hypothalamic‐pituitary‐adrenal (HPA) system, yielding high levels of cortisol in addition to cognitive dysfunction. The aim of the present study was to examine the relation between cortisol levels after the dexamethasone suppression test and cognitive function in recurrent unipolar MDD patients. Twenty‐four patients meeting the Diagnostic and Statistical Manual of Mental Disorders (4th ed., text rev.) criteria for a recurrent MDD diagnosis were included in the study. The control group was matched for age, sex, and education level. Cortisol was measured in saliva collected with Salivette sampling devices. Saliva samples were collected four times during a 24‐hr period over two consecutive days: at awakening, after 45 min, after 7 hr, and at 11:00 p.m. One milligram of dexamethasone was given on Day 1 at 11:00 p.m. The neuropsychological test battery consisted of standardized tests measuring cognitive functioning within verbal and visual memory, as well as executive functioning. Cortisol levels did not differ between patients and controls on Day 1. Cortisol levels in patients were higher than in controls at awakening on Day 2 (D2S1), after dexamethasone administration the previous evening. All significant correlations between cognitive measures and cortisol at D2S1 were negative, indicating that low suppression after intake of dexamethasone is related to poor cognitive functioning. Significant relations were found in three of the cognitive tests measuring verbal memory, semantic fluency, and inhibition. The present findings indicate that dysregulation of the HPA‐axis is related to poor verbal memory functioning. There was no firm evidence that abnormal cortisol levels were associated with inhibition difficulties. 相似文献
100.
HIDEKI TSUMURA HIRONORI SHIMADA KAZUTAKA NOMURA NAGISA SUGAYA KATSUHIKO SUZUKI 《The Japanese psychological research》2012,54(4):400-411
Although it has been reported that attentional bias at an early stage is found in depression, no study has investigated the effects of modification of attentional bias at an early stage on depressive mood and cortisol response to a stressor. Therefore, this study tested the hypotheses that the modification of attentional bias at an early stage would reduce depressive mood and cortisol response. Fifty‐three participants were allocated alternately either to the training or the control group. They were administered attention retraining for modification of attentional bias or a sham attention task, and then underwent a stress task. With respect to depressive mood response, depressive mood increased in response to a stress task in the control group, while for high‐dysphoric participants in the training group, depressive mood response remained constant. These results indicate that attention retraining is efficacious for reducing depressive mood response. With respect to cortisol response, the percentage change in cortisol is associated with the amount of change in the attentional bias index scores. The results suggest the possibility that attention retraining could reduce cortisol response. 相似文献