Visual search asymmetry: The influence of stimulus familiarity and low-level features

Wang, Cavanagh, and Green (1994) demonstrated a pop-out effect in searching for an unfamiliar target among familiar distractors (U—F search) and argued for the importance of a familiarity difference between the target and the distractors in determining search efficiency. In four experiments, we explored the generality of that finding. Experiment 1 compared search efficiency across a variety of target-distractor pairs. In Experiments 2, 3, and 4, we used Chinese characters and their transforms as targets and distractors and compared search performance between Chinese and non-Chinese participants. We demonstrated that search asymmetry and search efficiency in the U—F condition are influenced by the presence of low-level feature differences between the familiar and the unfamiliar stimuli. Our findings suggest that the familiarity of the distractors, rather than the familiarity difference between the target and the distractors, determines search efficiency. We also documented a counterintuitive familiarity-inferiority effect, suggesting that knowledge of search stimuli may, sometimes, be detrimental to search performance.     

Visual search asymmetry: the influence of stimulus familiarity and low-level features.

Wang, Cavanagh, and Green (1994) demonstrated a pop-out effect in searching for an unfamiliar target among familiar distractors (U-F search) and argued for the importance of a familiarity difference between the target and the distractors in determining search efficiency. In four experiments, we explored the generality of that finding. Experiment 1 compared search efficiency across a variety of target-distractor pairs. In Experiments 2, 3, and 4, we used Chinese characters and their transforms as targets and distractors and compared search performance between Chinese and non-Chinese participants. We demonstrated that search asymmetry and search efficiency in the U-F condition are influenced by the presence of low-level feature differences between the familiar and the unfamiliar stimuli. Our findings suggest that the familiarity of the distractors, rather than the familiarity difference between the target and the distractors, determines search efficiency. We also documented a counterintuitive familiarity-inferiority effect, suggesting that knowledge of search stimuli may, sometimes, be detrimental to search performance.     

脑的感知觉无意识加工及其研究进展

该文从无意识加工与认知、脑结构,神经网络的关系等三个层面,阐述了近年来认知神经科学在无意识研究方面的进展。主要就无意识与意识的相互转化、无意识加工与认知层次、脑结构之间的关联性、突触的联结方式等问题进行了讨论,并对认知神经科学如何研究无意识与意识问题提出展望,     

心理学与内省

本文围绕内省这一心理学基本问题,结合西方心理学的历史,论述了对内省的早期争论、古典内省、现代心理学主要学派和我国心理学界对内省所持的态度,总结了内省的历史功绩,肯定了内省的可用性和积极意义,也指出了内省的困难及其克服途径。论文最后的结语主张正确对待内省,加强对内省的研究,以促进我国心理学的发展。     

论心理学术语翻译的标准化

心理学专业术语翻译的标准化,是心理学史和理论心理学所面临的重要课题。它对于我们心理学的研究与发展,对于心理学的国际间交流,都有着重要的意义。标准化是科学化的前提,也是学科成熟,或学科现代化的标志。作者对此提出了自己的思考和意见,以便引起关注和讨论。     

信息加工的阶段及其年龄差异源

选择7—19岁的被试140名,对四种不同任务进行操作。结果表明,相同图形的空间调整过程速度除7岁年龄段以外,其余年龄段变化较小;不同图形调整过程速度、不同字母转换过程速度和不同字母的转换差异速度到了11岁以后,基本保持不变,而且,图形调整速度和字母转换速度基本相同;指数函数能较好地描述选择和反应过程速度随年龄增长而变化的特性,不能较好地描述字母转换过程速度随年龄增长而变化的特性,直线方程则不能很好地描述不同任务加工速度随年龄增长而变化的特性;最后,本研究对信息加工阶段及其年龄差异源进行了讨论。     

序列语义的类别一致性关系能否进行无意识整合？

阈下语义之间能否进行整合,最近的研究给出了不同的结果。当多个阈下语义词语同时呈现时显示出无意识语义整合效应,但是当序列呈现时没有观察到无意识整合效应。本研究在保留同时呈现方法优点（不同空间呈现位置）的情况下研究了序列呈现的不同汉字词语之间能否产生无意识语义类别关系整合。在实验1中,两个相同或不同类别的词语作为阈下启动刺激先后在两侧呈现,且第一个词语消失后第二词语马上出现,结果显示出无意识语义类别整合效应。实验2延长了两个阈下启动词语之间的时间间隔,结果未发现无意识语义类别整合效应。另外,实验3进一步排除了实验1中第一个启动词语的视觉残留,结果也未观察到显著的无意识语义类别整合效应,说明实验1中观察到的无意识整合效应是视觉残留所致。综合三个实验结果表明,两个阈下词语之间的语义类别一致性关系只有在同时呈现这种特殊条件下才能进行无意识整合加工,说明了短时间维度对于无意识语义关系整合的重要性。     

任继愈的学术贡献

任继愈先生原在北京大学学西方哲学，抗日战争期间，他步行从湖南走到云南，一路上目睹了中国农村的贫困，也目睹了中国人民顽强的意志和不屈的精神。几千年来，是什么精神支撑着这个苦难多灾的民族不仅顽强地生存了下来，而且发展壮大？一种沉重的历史责任感使他把总结中国古代这份精神遗产作为自己一生的追求和使命。一个民族的精神集中体现于民族的哲学，于是他从西方哲学转向了中国哲学。     

压力对大学生抑郁的影响机制:领悟社会支持与应对方式的中介作用

基于心理应激理论、素质-压力三模式以及社会支持主效果模型考察领悟社会支持、积极应对方式和消极应对方式在压力与抑郁关系中的链式中介效应,使用压力量表、领悟社会支持量表、应对方式量表和抑郁量表对抽取的641名大学生进行调查。研究显示:(1)领悟社会支持中介了压力对大学生抑郁的影响;(2)积极应对方式、消极应对方式中介了领悟社会支持对大学生抑郁的影响。因此,领悟社会支持以及应对方式在压力与大学生抑郁之间起链式中介作用。     

Risk-Taking and Creativity: Convergent,but Not Divergent Thinking Is Better in Low-Risk Takers

The relationship between risk-taking and creativity is critical to understanding social harmony and innovation. Although some studies have assessed the link between risk-taking and divergent thinking, the association between risk-taking and convergent thinking remains unclear. Two studies were conducted to systemically investigate whether risk-taking is linked to convergent thinking. In Study 1, a sample of 127 healthy participants performed a Chinese remote associate test (RAT) and completed a risk-taking questionnaire. As predicted, risk-taking was negatively correlated with RAT performance, implying that risk-taking has a negative association with convergent thinking. Study 2 was an online survey study that replicated Study 1 and extended the measures to include self-rated risk and a measure of divergent thinking (the alternate uses task). The findings were fully replicated, showing that low risk-taking goes with better convergent thinking and risk-taking was not significantly correlated with divergent thinking. Furthermore, the risk-taking/convergent-thinking relationship was best described by a linear regression model in both studies. Taken together, these results suggest that appropriate reductions in risk-taking can boost convergent thinking.