受欺负与青少年外化问题关系的“健康环境悖论”：敌意性归因的中介作用

“健康环境悖论”是指在总体受欺负水平较低的环境中, 受欺负的个体会表现出更多适应问题。本研究以来自47个班级的1764名5年级到8年级学生为被试(男生956人, 平均年龄14.46岁), 考察了班级平均受欺负水平在个体受欺负经历与外化问题间的调节作用及敌意性归因的中介作用。结果发现：(1)受欺负与外化问题的关系存在“健康环境悖论”现象, 即班级平均受欺负水平能调节个体受欺负经历与外化问题的关系, 在班级平均受欺负水平较低的班级中受欺负经历与外化问题的关联更强; (2)班级平均受欺负水平对受欺负与外化问题的调节作用通过敌意性归因的中介作用实现。本研究证实了受欺负与外化问题的健康环境悖论现象, 并首次揭示了敌意性归因的中介作用机制。     

威胁性刺激注意偏向的时间进程

注意偏向各成分间关系及发生时间进程尚存争议。本研究以情绪图片为刺激,采用类别判断任务,通过眼动技术探讨正常个体对威胁性刺激注意偏向的时间进程。结果显示,(1)向左的首次眼跳概率高于向右,而潜伏期短于向右,存在左侧偏向;(2)注意回避发生在250ms以内,解除锁定困难发生在400ms之后;(3)注意偏向影响类别判断过程。结果表明,注意回避与左侧偏向在威胁性刺激注意偏向形成早期存在相互作用,且比解除锁定困难更早发生。     

Attentional bias during emotional processing: evidence from an emotional flanker task using IAPS

Attention is biased towards threat-related stimuli. In three experiments, we investigated the mechanisms, processes, and time course of this processing bias. An emotional flanker task simultaneously presented affective or neutral pictures from the international affective picture system database either as central response-relevant stimuli or surrounding response-uninformative flankers. Participants’ response times to central stimuli was measured. The attentional bias was observed when stimuli were presented either for 1500?ms (Experiment 1) or 500?ms (Experiment 2). The threat-related attentional bias held regardless of the stimuli competing for attention even when presentation time was further reduced to 200?ms (Experiment 3). The results indicate that automatic and controlled mechanisms may interact to modulate the orientation of attention to threat. The data presented here shed new light on the mechanisms, processes, and time course of this long investigated by still largely unknown processing bias.     

Object representations are biased toward each other through statistical learning

The visual system is remarkably efficient at extracting regularities from the environment through statistical learning. While such extraction has extensive consequences on cognition, it is unclear how statistical learning shapes the representations of the individual objects that comprise the regularities. Here we examine how statistical learning alters object representations. In three experiments, participants were exposed to either random arrays containing objects in a random order, or structured arrays containing object pairs where two objects appeared next to each other in fixed spatial or temporal configurations. After exposure, one object in each pair was briefly presented and participants judged the location or the orientation of the object without seeing the other object in the pair. We found that when an object reliably appeared next to another object in space, it was judged as being closer to the other object in space even though the other object was never presented (Experiments 1 and 2). Likewise, when an object reliably preceded another object in time, its orientation was biased toward the orientation of the other object even though the other object was never presented (Experiment 3). These results demonstrated that statistical learning fundamentally shapes how individual objects are represented in visual memory, by biasing the representation of one object toward its co-occurring partner. Importantly, participants in all experiments were not explicitly aware of the regularities. Thus, the bias in object representations was implicit. The current study reveals a novel impact of statistical learning on object representation: spatially co-occurring objects are represented as being closer in space, and temporally co-occurring objects are represented as having more similar features.     

Face detection in 2‐ to 6‐month‐old infants is influenced by gaze direction and species

Humans detect faces efficiently from a young age. Face detection is critical for infants to identify and learn from relevant social stimuli in their environments. Faces with eye contact are an especially salient stimulus, and attention to the eyes in infancy is linked to the emergence of later sociality. Despite the importance of both of these early social skills—attending to faces and attending to the eyes—surprisingly little is known about how they interact. We used eye tracking to explore whether eye contact influences infants' face detection. Longitudinally, we examined 2‐, 4‐, and 6‐month‐olds' (N = 65) visual scanning of complex image arrays with human and animal faces varying in eye contact and head orientation. Across all ages, infants displayed superior detection of faces with eye contact; however, this effect varied as a function of species and head orientation. Infants were more attentive to human than animal faces and were more sensitive to eye and head orientation for human faces compared to animal faces. Unexpectedly, human faces with both averted heads and eyes received the most attention. This pattern may reflect the early emergence of gaze following—the ability to look where another individual looks—which begins to develop around this age. Infants may be especially interested in averted gaze faces, providing early scaffolding for joint attention. This study represents the first investigation to document infants' attention patterns to faces systematically varying in their attentional states. Together, these findings suggest that infants develop early, specialized functional conspecific face detection.     

职前教师情绪觉察能力对情绪信息注意偏向的影响

采用修订的情绪觉察水平量表（LEAS）对315名职前教师进行调查,并从中筛选出高、低情绪觉察能力组被试各60人,分别完成情绪面孔Stroop任务（研究1）和情绪词Stroop任务（研究2）。（1）研究1的正确率上,中性面孔最高,愉快面孔次之,悲伤面孔最差;反应时上,悲伤面孔最长,愉快面孔次之,中性面孔最短;高分组仅在愉快和中性面孔上的反应时长于低分组;消极面孔的干扰效应高于积极面孔的干扰效应。（2）研究2的反应时上,消极词的反应时最长,显著长于中性和积极词;高分组仅在积极词和中性词上的反应时长于低分组,且高分组在积极词上的干扰效应高于低分组。研究结果表明与中性刺激相比,高低情绪觉察能力组均对情绪刺激产生了注意偏向,尤其是负性情绪刺激;与低情绪觉察能力组相比,高情绪觉察能力职前教师不仅对消极情绪信息产生注意偏向,还对积极情绪信息产生注意偏向。     

Social Context and the Dynamics of Cooperative Choice

Recent work using decontextualized economic games suggests that cooperation is a dynamic decision‐making process: Automatic responses typically support cooperation on average, while deliberation leads to increased selfishness. Here, we performed two studies examining how these temporal effects generalize to games with richer social context cues. Study 1 found that time pressure increased cooperation to a similar extent in games played with in‐group members and out‐group members. Study 2 found that time pressure increased cooperation to a similar extent in games described as competitions and games described as collaborations. These results show that previous positive effects of time pressure on cooperation are not unique to neutrally framed games devoid of social context and are not driven by implicit assumptions of shared group membership or cooperative norms. In doing so, our findings provide further insight into the cognitive underpinnings of cooperative decision making. Copyright © 2014 John Wiley & Sons, Ltd.     

Present Bias and Everyday Self‐Control Failures: A Day Reconstruction Study

Everyday life is full of self‐control problems. The economist's favorite explanation for self‐control problems is present bias. This paper tests whether experimentally elicited present bias predicts self‐control problems in everyday life. We measure present bias by using a standard incentivized delay discounting task and everyday self‐control by using the day reconstruction method (DRM). Because this is the first study to measure everyday self‐control by using the DRM, we also validate the method by showing that its data replicate key results from the seminal Everyday Temptation Study. We find that present bias does not predict everyday self‐control. This points to a distinction between decreasing impatience (as measured in delay discounting tasks) and visceral influences (as occurring in everyday life) as determinants of self‐control problems. We argue that decision making research can benefit from the DRM as a cost‐effective tool that complements lab and field experiments to better understand economic preference measures and their correlates in everyday life decision making. Copyright © 2017 John Wiley & Sons, Ltd.     

材料生态性和性别因素对理解友好与敌对意图的影响

为考察材料生态性、被试性别和角色性别对理解友好与敌对意图的影响,分析了100名被试观察由2名男性或2名女性表演的三类互动意图的照片或卡通时的正确率和反应时。结果：理解真实人物的正确率高于虚拟角色;女性被试理解虚拟角色的反应时长于真实人物,而男性被试却未出现材料生态性差异;理解男性角色敌对意图的反应时短于女性角色的,而理解友好意图时却未出现角色性别差异。研究为负性偏向等理论提供实证证据,揭示材料生态性、角色性别对理解友好和敌对意图的影响机制。     

疼痛恐惧相关的注意偏向及其矫正

疼痛恐惧是影响和维持慢性痛的重要因素。不同材料和被试类型情况下, 疼痛恐惧均主要作用于个体对疼痛相关信息的早期注意加工阶段, 表现为注意警觉模式。该注意模式使个体将注意维持在疼痛上, 从而干扰了对非疼信息的注意能力。矫正疼痛恐惧相关注意偏向可以改善疼痛体验。未来研究应采用更具生态效度的任务测量疼痛恐惧相关的注意偏向及其神经基础, 进一步考察矫正疼痛恐惧相关注意偏向能否改善慢痛患者的忧郁和功能丧失等问题。