青少年地震应激反应模型

以亲历“5．12”地震的四川青川、绵竹327名青少年为被试,考察了青少年在地震情境下的应激反应,探讨了应激源与认知评价、应对方式、应激反应的关系,检验了认知评价、应对方式在应激源与应激反应间的中介作用。结果表明：青少年在地震后出现一些显著的生理反应（胸闷、食欲不佳、头晕）、心理反应（悲伤、易惹、恐惧、注意力减退）以及社会功能的退缩,且存在显著的性别差异;变量各维度间的相关分析表明,除混合型应对方式与应激源的物质丧失之间相关不显著外,其它变量各维度间均存在不同程度的相关;中介效应分析表明,认知评价、应对方式在应激源与应激反应间存在中介作用,且认知评价的中介效应大于应对方式的中介效应,而认知评价又可以通过应对方式影响应激反应。     

Post-training infusion of glutamate into the bed nucleus of the stria terminalis enhanced inhibitory avoidance memory: An effect involving norepinephrine

This study examined an interaction between glutamate and norepinephrine in the bed nucleus of the stria terminalis (BNST) in modulating affective memory formation. Male Wistar rats with indwelling cannulae in the BNST were trained on a one-trial step-through inhibitory avoidance task and received pre- or post-training intra-BNST infusion of glutamate, norepinephrine or their antagonists. Results of the 1-day test indicated that post-training intra-BNST infusion of dl-2-amino-5-phosphonovaleric acid (APV) impaired retention in a dose- and time-dependent manner, while infusion of glutamate had an opposite effect. Co-infusion of 0.2 μg glutamate and 0.02 μg norepinephrine resulted in marked retention enhancement by summating non-apparent effects of the two drugs given at a sub-enhancing dose. The amnesic effect of 5.0 μg APV was ameliorated by 0.02 μg norepinephrine, while the memory enhancing effect of 1.0 μg glutamate was attenuated by 5.0 μg propranolol. These findings suggest that training on an inhibitory avoidance task may alter glutamate neurotransmission, which by activating NMDA receptors releases norepinephrine to modulate memory formation via β adrenoceptors in the BNST.     

初中生乐观主义与其学业成绩的关系及中介效应分析

通过问卷考察了初中生乐观人格和乐观解释的关系、乐观主义与学生学业成绩的关系以及积极应对策略的中介效应,分析表明两种乐观主义存在着联系,乐观主义与学业成绩存在密切关系,不同水平的乐观对学生学业成绩产生的影响不一样,积极应对策略的中介效应不明显。结论:乐观主义是影响初中生学业成绩的一个重要影响因素,不同乐观主义对学业成绩产生的直接影响不一样,高水平的乐观是有利于学业成绩的。     

中国高中学生中的反应风格及其效应

通过测试正反向陈述的NEO-FFI和EPQ,探讨了中国高中生中默认、极端化、折中化、弹性反应风格的特点,及题目陈述方向的改变对其人格测验信效度的影响。结果发现反应风格在中国高中生中确实存在,折中化和弹性风格对测验的影响最为严重,其次为极端化风格,默认风格则可能不算一种偏差。NEO-FFI量表在使用反向陈述题目时信效度下降,说明由于教育水平低而使高中生理解反向题时存在困难     

癌症患者家属人格特征、应对方式与消极情绪的关系

为探讨癌症患者家属人格特征、应对方式与消极情绪的关系,对128例癌症患者家属进行调查。结果显示,神经质、消极应对方式、癌症危险认知与消极情绪呈显著正相关;积极应对方式、外向与消极情绪呈显著负相关;外向、神经质、癌症危险认知、消极应对方式均影响癌症患者家属的消极情绪,而消极应对方式为神经质人格特征、癌症危险认知和消极情绪的中间变量。     

Children's engagement and competence in personal recollection: effects of parents' reminiscing goals

Parents' goal orientations in parent-child reminiscing were examined in this study, where 28 preschoolers (mean age = 46 months) experienced a standardized event. Dyads discussed the event that evening, with parents randomly assigned to either an "outcome-oriented" or a "process-oriented" condition. Outcome-oriented parents, who were told that children subsequently would be tested on event-related recall, were more controlling in these conversations compared with process-oriented parents, who were told that children's personal perspective would be assessed. Parents did not differ in their provision of structure. Children were interviewed 2 weeks later. Autonomy support in the parent-child conversation predicted children's engagement in the interview. Parental structure predicted children's recall of details and the coherence of their memories. Effects of parental reminiscing styles for children's memory and motivation to reminisce are discussed.     

The impact of hope, self-esteem, and attributional style on adolescents’ school grades and emotional well-being: A longitudinal study

We examined the distinctiveness of three “positive thinking” variables (self-esteem, trait hope, and positive attributional style) in predicting future high school grades, teacher-rated adjustment, and students’ reports of their affective states. Seven hundred eighty-four high school students (382 males and 394 females; 8 did not indicate their gender) completed Time 1 measures of verbal and numerical ability, positive thinking, and indices of emotional well-being (positive affect, sadness, fear, and hostility), and Time 2 measures of hope, self-esteem, and emotional well-being. Multi-level random coefficient modelling revealed that each positive thinking variable was distinctive in some contexts but not others. Hope was a predictor of positive affect and the best predictor of grades, negative attributional style was the best predictor of increases in hostility and fear, and low self-esteem was the best predictor of increases in sadness. We also found that sadness at Time 1 predicted decreases in self-esteem at Time 2. The results are discussed with reference to the importance of positive thinking for building resilience.     

Investigating the dynamics of affect: Psychological mechanisms of affective habituation to pleasurable stimuli

Affective habituation (i.e., reductions in stimulus-evoked affective reactions as a result of previous exposure) may serve a functional purpose. However, little is know about the psychological mechanisms underlying this process. To elucidate the characteristics of affective habituation, two experiments that examined affective reactions to repeated exposures of pleasurable stimuli were conducted. Results of these experiments indicated that habituation trajectories are characterized by linear decreases in affect. Results also demonstrated that habituation can be slowed by the introduction of novel stimuli (i.e., “novelty effects”), effects that are dimensional (rather than taxonic) in nature. Experiment 2 demonstrated that habituation is mediated by conceptual rather than perceptual processes. Depressed and anhedonic individuals were not more susceptible to habituation in either experiment. The current findings and previous theorizing suggest that habituation may be an important component of an adaptive affective processing system that promotes effective responses to salient stimuli and prevents compulsive reward-seeking behavior.

Celebrating a common finding: Riding’s CSA test is unreliable

This paper is a reply to Redmond and colleagues’ brief report that argues we (Peterson et al., 2003a) were not the first to establish the unreliability of the computerised cognitive styles analysis (CSA) test because we used a copy of the test rather than the original. We refute this suggestion and argue that we have already defended our approach to testing the CSA’s reliability (Peterson et al., 2003b) and that our method is entirely appropriate and transparent. Rather than argue over who was the first to test the CSA’s reliability, we believe we should celebrate the fact that we both found the same result, regardless of the method used.     

A prospective investigation of the impact of attachment style on stress generation among clinically depressed individuals

The present study sought to determine if attachment style contributed to the generation of stressful life events among clinically depressed individuals during the course of treatment. Participants (N=68) were interviewed about life stressors experienced during a 3-month treatment protocol using a contextual approach (Life Events and Difficulties Schedule; [Brown, G. W., & Harris, T. O. (1978). Social origins of depression: A study of psychiatric disorder in women. New York: Free Press]). Results suggested interactive effects between severity of depression and attachment style on stress associated with future sociotropic and dependent life events. Mildly depressed individuals who reported a dismissing attachment style (higher levels of avoidant attachment and lower levels of anxious attachment) or preoccupied style (lower levels of avoidant attachment and higher levels of anxious attachment) experienced higher levels of stress associated with sociotropic events. Likewise, a dismissing attachment style predicted stress associated with dependent events among mildly depressed individuals. These effects were not present among our more severely depressed participants.