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141.
本研究采用创伤暴露程度问卷、儿童创伤后应激障碍症状量表、应对方式问卷和儿童行为问题核查表对汶川地震30个月后844名小学生进行调查,探讨汶川地震后小学生的创伤后应激障碍(PTSD)、积极认知与睡眠问题之间的关系。结果表明,PTSD对睡眠问题具有正向预测作用,积极认知对睡眠问题的预测作用不显著。调节效应的检验结果发现,积极认知调节着PTSD及其回避性症状对睡眠问题的影响,具体表现为PTSD及其回避性症状对睡眠问题的预测作用随着积极认知水平的增加而降低,但是积极认知分别在PTSD的闯入性症状和警觉性增高症状与睡眠问题的关系之间不起调节作用。  相似文献   
142.
Differences between nighttime REM and NREM dreams are well-established but only rarely are daytime REM and NREM nap dreams compared with each other or with daydreams. Fifty-one participants took daytime naps (with REM or NREM awakenings) and provided both waking daydream and nap dream reports. They also provided ratings of their bizarreness, sensory experience, and emotion intensity. Recall rates for REM (96%) and NREM (89%) naps were elevated compared to typical recall rates for nighttime dreams (80% and 43% respectively), suggesting an enhanced circadian influence. All attribute ratings were higher for REM than for NREM dreams, replicating findings for nighttime dreams. Compared with daydreams, NREM dreams had lower ratings for emotional intensity and sensory experience while REM dreams had higher ratings for bizarreness and sensory experience. Results support using daytime naps in dream research and suggest that there occurs selective enhancement and inhibition of specific dream attributes by REM, NREM and waking state mechanisms.  相似文献   
143.
Individuals in high-risk occupations (e.g., military service) often report physical, psychological, and organizational problems. Although leaders can partially buffer their subordinates against these problems, the impact of established leadership skills appears limited, especially in high-risk occupations. Thus, building on recent theories of domain-specific leadership, we examined whether leadership focused on the specific domain of sleep might be negatively associated with some specific problems facing individuals in high-risk occupations, beyond their relationship with general leadership. Studying military personnel on peacekeeping and combat deployments, we predicted that “sleep leadership” would be negatively associated with sleep problems (physical), depressive symptoms (psychological), and negative climate (organizational), and that sleep would mediate the relationship between sleep leadership and the psychological and organizational problems. Results were generally supportive, contributing to theories of domain-specific leadership by showing that sleep-focused leader behaviors may go beyond general leadership behaviors, relating directly to the problems facing individuals in high-risk occupations.  相似文献   
144.
The few pharmacological treatments shown to be effective in reducing sleep disturbance in posttraumatic stress disorder (PTSD) might work through normalization of rapid eye movement (REM). However, evidence of REM sleep disturbance in PTSD has been inconsistent and the definition of REM bout has varied as well. In this study, we compared polysomnographic findings in adults with PTSD to both normal sleepers and insomniacs. We found no differences between those with and without PTSD on REM bout frequency or duration. We did, however, find gender differences within our PTSD sample as consistent with a previous review suggesting that males with PTSD are more likely to demonstrate REM sleep disturbance. Consensus on REM bout definition is needed, in addition to studies powered to detect gender differences.  相似文献   
145.
Dating aggression, whether it is physical or psychological, is a major social concern. The background-situational model is highly predictive of dating aggression, but it lacks consideration of biopsychosocial processes. Sleep was investigated as one such process. A sample of 108 university undergraduate women completed objective (actigraphy) and subjective measures of sleep quality as well as self-reports of dating and trait aggression. Indicators of sleep deprivation were associated with greater frequency of dating aggression perpetration. Associations were especially strong when trait aggression and victimization by the partner were higher. Contrary to hypotheses, alcohol consumption did not significantly moderate the relation between sleep and women’s aggression perpetration. Less sleep was associated with women’s more frequent aggression toward their partners, perhaps because sleep deprivation causes difficulties with emotion regulation.  相似文献   
146.
Dispositional mindfulness, or the tendency to be more mindful in daily life, has been associated with better psychological functioning and reduced overall distress. This study investigated the degree to which dispositional mindfulness was associated with sleep disturbances in cancer patients with insomnia. Further, we examined whether levels of mindfulness moderated the relationship between stress levels, mood disturbance, insomnia severity, sleep quality and dysfunctional sleep beliefs. Participants (N = 111) were adults who had been previously treated for cancer and currently met diagnostic criteria for insomnia. Higher levels of acting with awareness, non-judging and non-reacting were associated with better sleep and psychological outcomes. Despite these significant associations, mindfulness facets did not significantly moderate the relationship between stress, mood and sleep outcomes. This negative finding raises the possibility that increased mindfulness may not act directly to improve psychological outcomes, but rather through a series of other cognitive and affective changes. Our results emphasize the importance of addressing mood symptoms and stress appraisals as predictors of sleep disturbance in cancer patients.  相似文献   
147.
En fallstudie av en ormfobi presenteras. Behandlingen skedde med hjälp av fading som innebär att diabilder utnyttjas som stimulusmaterial. Före och efter behandlingen gjordes kontinuerliga mätningar av fobiskt beteende på alia tre responssystemen (overt motoriskt, kognitivt, fysiologiskt). Resultaten visade att de fobiska symtomen utsläcktes på alia tre systemen, dock till olika grad. I diskussionen konstateras att fading verkar vara ett alternativ till mera traditionella metoder vid behandling av smådjursfobier. Slutligen diskuterades begränsningar med studien vad gäller generalitet etc.  相似文献   
148.
本研究采用单因素被试内设计对清晨唤醒后睡眠惰性对个体主观情绪、警觉性和认知加工的影响,以及利用动态黎明模拟光照能否对睡眠惰性产生有效的对抗作用进行了考察。结果发现:(1)被试的积极情绪、主观警觉性在刚唤醒时显著低于基线水平,之后随时间推移逐渐提升。(2)被试醒后立即进行测试的认知加工成绩最差,随后逐渐提高,且主要表现在加工速度的回升上。(3)黎明模拟光照对被试醒后在积极情绪、主观警觉性、持续性注意和抑制功能的缓解上产生了明显的促进作用。这表明睡眠惰性会对个体的主客观活动产生显著的负性影响,而使用黎明模拟光照可在一定程度上对抗睡眠惰性带来的负性影响。  相似文献   
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