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171.
Björn Meyer Sheri L. Johnson Charles S. Carver 《Journal of psychopathology and behavioral assessment》1999,21(4):275-292
We explored cross-sectionally the roles in bipolar spectrum symptomatology of two broad motivational systems that are thought to control levels of responsiveness to cues of threat and reward, the Behavioral Inhibition System (BIS) and the Behavioral Activation System (BAS). Undergraduate students (n = 357) completed questionnaires regarding (a) bipolar spectrum disorders [the General Behavior Inventory (GBI), a well-established clinical screening measure], (b) current depression and mania symptoms (the Internal State Scale; ISS), and (c) BIS/BAS sensitivities (the BIS/BAS scales). Validated cutoff scores on the GBI were used to identify individuals at risk for a mood disorder. It was hypothesized that, among at-risk respondents, high BAS and low BIS levels would be associated with high current mania ratings, whereas low BAS and high BIS would be associated with high current depression ratings. Multiple regression analyses indicated that, among at-risk individuals (n = 63), BAS accounted for 27% of current mania symptoms but BIS did not contribute. For these individuals, BAS and BIS were both significant and together accounted for 44% of current depressive symptoms. 相似文献
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174.
两类线索相容性的比较研究 总被引:2,自引:0,他引:2
研究运用前置线索的实验模式,采用对颜色刺激进行不一致颜色命名的实验任务,考察了线索与刺激和反应的维度重合关系、线索的呈现时距和线索的有效慨率对命名时间的影响。研究表明:在无刺激一反应相容性的情况下,当线索一刺激和线索一反应这两类线索相容性同时存在却相互竞争时,线索一刺激的相容性强于线索一反应的相容性,只显示出线索一刺激的相容性效应。同时,实验结果证明了线索一刺激相容性效应仍然遵循适时性的特征,受到线索呈现时距的影响,并随线索客观有效慨率的增加而增强。 相似文献
175.
顿悟:是进程监控还是表征转换 总被引:1,自引:0,他引:1
当前解释顿悟问题解决机制的理论主要有表征转换理论和进程监控理论。进程监控理论主要解释了顿悟问题为什么困难,但事实上它并没有说明顿悟问题为什么会解决,只回答了在什么情况下被试才会寻求其他的方法,而且它把顿悟问题解决的一般过程看成是同常规问题解决方法相同的过程。而表征转换理论主要解释了顿悟是如何获得的——顿悟的获得是由于问题解决者对问题的表征实现了正确的转变,但它并没有解释表征什么时候、怎么样才能转变?顿悟问题的解决经历了三个认知加工阶段,顿悟问题的解决需要在消除定势情况下激活正确的启发信息(线索),并验证了顿悟问题的原型激活和关键启发信息理论假说。 相似文献
176.
Intuition denotes the ability to judge stimulus properties on the basis of information that is activated in memory, but not consciously retrieved. In three experiments we show that participants discriminated better than chance fragmented line drawings depicting meaningful objects (coherent fragments) from fragments consisting of randomly displaced line segments (incoherent fragments) or from fragments which were rotated by 180 degrees (inverted fragments), even if participants did not consciously recognize the objects. Unrecognized coherent, but not incoherent or inverted fragments produced reliable priming of correct object names in a lexical decision task, indicating that coherent fragments activated an unconscious semantic object representation. Priming effects were larger for coherent fragments judged as coherent compared to coherent fragments judged as incoherent. We conclude that intuitive gestalt judgments for coherent fragments rested on the activation of semantic object representations, which biased participants' intuitive impression of "gestalt-ness" even when the underlying object representations remained unconscious. 相似文献
177.
M. Hoedemaeker K.A. Brookhuis 《Transportation Research Part F: Traffic Psychology and Behaviour》1998,1(2):95-106
The present paper describes a study that aims at assessment of driver behaviour in response to new technology, particularly Adaptive Cruise Control Systems (ACCs), as a function of driving style. In this study possible benefits and drawbacks of Adaptive Cruise Control Systems (ACCs) were assessed by having participants drive in a simulator. The four groups of participants taking part differed on reported driving styles concerning Speed (driving fast) and Focus (the ability to ignore distractions), and drove in ways which were consistent with these opinions. The results show behavioural adaptation with an ACC in terms of higher speed, smaller minimum time headway and larger brake force. Driving style group made little difference to these behavioural adaptations. Most drivers evaluated the ACC system very positively, but the undesirable behavioural adaptations observed should encourage caution about the potential safety of such systems. 相似文献
178.
语音与词义激活的相对时间进程:来自儿童发展的证据 总被引:10,自引:1,他引:9
本研究从儿童语言发展的角度.在已有研究基础上.进一步考察了汉语视觉字词加工中语音与词义激活的相对时间进程。运用启动命名技术,比较了三年级和六年级儿童在语音和语义启动中的表现。结果发现,三年级和六年级儿童都有语音和语义启动效应,且六年级儿童更为显著。但语义启动和同音启动的促进效应之间没有差异,而同音不同声调启动则可能产生抑制作用。文章探讨了这些发现对汉语视觉字词加工中词义信息提取不同观点的含义。 相似文献
179.
HEGE R. ERIKSEN MIRANDA OLFF CHRIS MANN MAURICE B. STERMAN HOLGER URSIN 《Scandinavian journal of psychology》1996,37(4):351-361
The aim of this study was to examine the relationship between psychological defense as measured by the Kragh tachistoscopic Defense Mechanisms Test (DMT), and general arousal properties of the individual as measured with electroencephalogram (EEG). The DMT assesses defense by presenting neutral and threatening pictures with very short exposure times. EEG characteristics were measured in the 8–12 Hz EEG frequency band during DMT testing. Twenty-one male subjects participated in the study. All were US Air Force personnel on active duty. Personnel with high defense mechanisms, defined in this connection as slow perception of the threat, tended to have higher cortical arousal after Stimulus exposure than the subjects with low defense mechanisms. The differences occurred mainly with new stimulus material without any threatening content. The differences in arousal response to novel stimuli may contribute to an understanding of the relationships between the Kragh DMT test and performance in life-threatening situations. 相似文献
180.
初步考察了社会判断过程中样例激活效应存在的条件、作用、强度和指向。被试为西北师范大学教育科学学院心理系2年级学生160人。实验结果表明:(1)样例激活效应在强启动和弱启动条件下都存在,而且表现为同化效应。(2)在强启动条件下,样例激活效应表现强烈。进一步讲,正、反样例对高、低效价的靶子都有同化效应,但正面样例对低效价靶子的效应更强;而反面样例对高效价靶子的效应更强。(3)在弱启动条件下,样例效价和靶子效价共同影响着社会判断及其决策过程,样例激活效应明显弱化,具体表现为:①样例激活仅对低效价靶子的判断影响显著,对高效价靶子影响不显著;②从具体样例对高、低效价靶子效应强度的比较看,正面样例对低效价靶子作用更强,反面样例只表现出略微差异。另外,“关联效应”会冲淡样例激活效应 相似文献