相干逻辑的情境论解释

相干逻辑的情境论解释属于相干逻辑的直观语义。情境论以集合论的方式处理信息,用＂邻界＂的概念拓宽了可能世界语义学。情境论不仅以直观的方式解释了相干逻辑,还在相干逻辑如何解决蕴涵怪论,如何进一步修正逻辑上具有重要作用,理当受到现代逻辑学家更多的关注。     

Strategic and automatic effects of visual working memory on attention in visual search

Previous research indicates that visual attention can be automatically captured by sensory inputs that match the contents of visual working memory. However, Woodman and Luck (2007) showed that information in working memory can be used flexibly as a template for either selection or rejection according to task demands. We report two experiments that extend their work. Participants performed a visual search task while maintaining items in visual working memory. Memory items were presented for either a short or long exposure duration immediately prior to the search task. Memory was tested by a change-detection task immediately afterwards. On a random half of trials items in memory matched either one distractor in the search task (Experiment 1) or three (Experiment 2). The main result was that matching distractors speeded or slowed target detection depending on whether memory items were presented for a long or short duration. These effects were more in evidence with three matching distractors than one. We conclude that the influence of visual working memory on visual search is indeed flexible but is not solely a function of task demands. Our results suggest that attentional capture by perceptual inputs matching information in visual working memory involves a fast automatic process that can be overridden by a slower top-down process of attentional avoidance.     

Feeling Better About Self After Receiving Negative Feedback: When the Sense That Ability Can Be Improved Is Activated

Past studies suggest that managers and educators often consider negative feedback as a motivator for individuals to think about their shortcomings and improve their work, but delivering negative feedback does not always achieve desired results. The present study, based on incremental theory, employed an intervention method to activate the belief that a particular ability could be improved after negative feedback. Three experiments tested the intervention effect on negative self-relevant emotion. Study 1 indicated conveying suggestions for improving ability reduced negative self-relevant emotion after negative feedback. Study 2 tested whether activating the sense of possible improvement in the ability could reduce negative self-relevant emotion. Results indicated activating the belief that ability could be improved reduced negative self-relevant emotion after failure, but delivering emotion management information alone did not yield the same effect. Study 3 extended the results by affirming the effort participants made in doing the test, and found the affirmation reduced negative self-relevant emotion. Collectively, the findings indicated focusing on the belief that the ability could be improved in the future can reduce negative self-relevant emotion after negative feedback.     

儿童理解监控的即时加工过程

理解监控在口语和阅读信息的交流中起关键作用。即时加工研究为揭示儿童理解监控发展特点及内在机制提供了新途径。本文结合已有口语理解监控和阅读理解监控成果,对儿童理解监控的特点及其可能的影响因素进行了全面综述。未来研究应在儿童理解监控的时间进程、口语理解监控及理论模型等方面进一步深化,积极开展脑机制研究,并从视听跨通道整合角度探索儿童理解监控过程的发展。     

情绪效价的记忆增强效应:存储或提取优势?

情绪效价和情绪唤醒是描述情绪的两个维度。情绪增强记忆效应表明情绪唤醒事件的记忆往往优于非情绪唤醒事件的记忆,但关于积极情绪记忆和消极情绪记忆哪个在记忆中处于优势仍存在争论。实验以情绪词对和中性词对为实验材料。实验一探讨积极情绪词语或消极情绪词语的记忆优势; 实验二探讨积极情绪环境或消极情绪环境中中性词语的记忆优势。在两种实验条件下,积极情绪下的自由回忆都优于消极情绪下的自由回忆; 多项加工树的存储—提取模型使用实验自由回忆和线索回忆的结果将记忆的存储和提取优势分离开来,结果表明:积极情绪事件记忆优势发生在存储阶段,而积极情绪环境记忆优势发生在存储和提取阶段; 积极情绪事件记忆偏向支持“刺激后编码增强假设”,积极情绪环境记忆偏向支持“唤醒—偏向竞争假设”。     

Psychiatric Distress and Suicidal Tendencies in Adult Cancer Survivors: Verifying the Validity of the Brief Symptom Inventory-18 for Identifying Suicidal Ideation in the Hospitalized Population of Mainland China

The Brief Symptom Inventory-18 (BSI-18) is widely used to assess psychiatric distress but has not been verified in the Chinese population. From March to April 2019, 293 hospitalized cancer patients, aged 20–87, completed the cross-sectional survey with demographics questionnaire, BSI-18, and PHQ-9. We analyzed the single suicide-related item of PHQ-9 with the full score clinical outpoint for BSI-18 and PHQ-9 using SPSS 22.0 and R 2.15, including Pearson's χ² test and ROC curve analyses. A Pearson's χ² test was carried out to compare the three different methods with the gold screening criteria. The p-value was correspondingly to .006, .066, .838. When the PHQ-9?≥?10 criteria for the BSI-18, receiver operating characteristic analysis revealed that AUC values were 0.839, optimal cut-off points for both BSI-18?≥?50, the sensitivity of 85.8%, and 62.5%, respectively. The BSI-18 is suitable for a screening tool for psychological distress and could also be used in clinical settings for preliminary screening of hospitalized cancer patients.

     

几何图形类比推理的ERP研究

该研究以几何图形作为实验材料,测定14名硕士研究生在完成两种类比推理任务（大小变化和颜色变化）和其基线任务时的事件相关电位（ERP）,探讨类比推理过程的脑内时程动态变化。研究发现,两种推理任务所诱发的波形基本一致,而推理任务与其基线任务之间的ERP波形存在显著差异,两种基线任务之间的ERP波形也存在显著差异;类比推理的加工过程是有阶段性的,即编码潍断、映射、得出结论,研究结果进一步支持了Sternberg的成分理论;推断和映射这两个类比推理所特有的加工阶段都有其对应的脑机制,图式推断阶段主要激活的是前额皮层和双侧的顶叶皮层,类比映射和调整阶段主要激活的是左半球的颞叶、额叶和中央顶。     

原发性失眠患者的主客观睡眠特征研究

目的：了解原发性失眠患者的睡眠特点,探讨其主客观睡眠的异同点。方法：对15例原发性失眠患者、20例正常人的主观睡眠（PSQI）和客观睡眠（PSG）特点进行比较,对原发性失眠患者进行主观睡眠（PSQI）和客观睡眠（PSG）的比较。结果：原发性失眠的PSG多项指标（睡眠总时间、睡后觉醒次数、觉醒总时间、睡眠潜伏期、睡眠效率、觉睡比、睡眠维持率、REM睡眠时间和REM百分比、REM睡眠潜伏期和REM活动密度）等方面与正常对照有显著差异（p〈0.05或p〈0.01）;原发性失眠的PSQI多项指标（PSQI总分、睡眠效率、睡眠时间、睡眠潜伏期）方面与正常组对照差异显著（p〈0.01）。原发性失眠的PSQI和PSG在睡眠效率、实际睡眠时间、睡眠潜伏期方面存在显著差异（p〈0.01）。结论：原发性失眠患者的PSQI和PSG均存在一定程度的异常,原发性失眠患者有高估自己睡眠障碍的倾向。