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331.
人际合作与冲突影响博弈决策的结果评价 总被引:1,自引:0,他引:1
人际合作与冲突是人际互动的两种主要形式, 在人类社会的发展中有着重要作用。脑成像研究表明, 当个体和人类同伴进行博弈时, 选择合作与选择冲突激活脑区的强度有所不同。但目前尚不清楚, 人际合作与冲突如何影响决策选择之后的结果评价过程。本研究采用Chicken Game任务对此问题进行了探讨, 研究记录了22名健康成人被试与人类同伴进行Chicken Game任务时的脑电活动。结果表明, 反馈负波(FRN)和P300不仅受到结果效价的影响, 同时也受到人际合作与冲突的影响。相对于选择冲突, 个体选择合作时, 输钱和赢钱反馈引发的FRN以及P300波幅差异更大。相关分析表明, RA (被试和解对方进攻)反馈引发的FRN波幅与接受该反馈后下一个trials中和解的选择率(以及总的和解率)呈显著的负相关。上述结果表明, 在社会博弈中, 合作增加了个体对博弈结果的预期, 从而引发更大的FRN效应; 并且合作共赢的结果所具有的物质意义与社会意义, 使其诱发更大的P300波幅。 相似文献
332.
Pawel Ostaszewski 《欧洲人格杂志》1996,10(3):161-172
The present study examines the relationship between several temperamental traits (sensation seeking, extraversion–introversion, and impulsivity) and rate of temporal discounting, that is the rate of decrease in the subjective value of a reward as the delay to its receipt increases. Participants made choices between hypothetical monetary rewards that could be obtained immediately or after a specified delay. Temporal discounting functions were calculated and differences in rate of discounting between different groups were evaluated. For all groups of participants, hyperbolic discounting functions described well the decreases in subjective value with delay (R2 ranged from 0.700 to 0.985). The rate of discounting was equivalent in high and low sensation seekers. However, both extraverts and high impulsive individuals showed higher temporal discounting rates than introverts and low impulsive individuals. The relationship between temperament and temporal discounting may be related to differences in time perception and/or to differences in susceptibility to rewards in extraverts versus introverts and in high- versus low-impulsive individuals. 相似文献
333.
A large sample of leaders (N = 4257) was used to test the link between leader innovativeness and intelligence. The threshold theory of the link between creativity and intelligence assumes that below a certain IQ level (approximately IQ 120), there is some correlation between IQ and creative potential, but above this cutoff point, there is no correlation. Support for the threshold theory of creativity was found, in that the correlation between IQ and innovativeness was positive and significant below a cutoff point of IQ 120. Above the cutoff, no significant relation was identified, and the two correlations differed significantly. The finding was stable across distinct parts of the sample, providing support for the theory, although the correlations in all subsamples were small. The findings lend support to the existence of threshold effects using perceptual measures of behavior in real-world organizational settings, and thus beyond creative potential measures applied in the psychological laboratory where it has previously been documented. 相似文献
334.
"正念是什么"是正念研究中的基本问题,也是长期困扰研究者的难题,造成此困境的重要原因是正念跨越了佛学与心理学两种语境。在正念内涵研究历程中,研究者们先后试图以"去神秘化"、"去语境化"及"整合化"来解决跨语境所造成的问题。本研究认为:正念为多维概念,其内涵的复杂性决定了研究者对正念的认识并非静态的判断,而是逐步成熟的过程;应深入整合佛学与心理学语境,以发展的视角看待正念。 相似文献
335.
The effect of motivation and positive affect on ego depletion: Replenishment versus release mechanism
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In this study, 2 experiments were conducted to investigate whether motivation and positive affect can alleviate ego depletion and to elucidate their possible mechanisms. In Experiment 1, a crossing‐out‐letter task was adapted to reach an ego depletion state for Chinese participants. Participants were then randomly assigned to the extrinsic motivation group, the positive affect group or the depletion control group. After the experimental treatment, a dumbbell task was used to measure participants' remaining self‐regulatory resources. The results showed that participants in the motivation and positive affect groups performed better on the dumbbell task than participants in the depletion control group. Experiment 2 was similar to Experiment 1 except that participants were asked to perform an additional unexpected dumbbell task after a neutral video following the above procedure. The results of Experiment 1 were replicated; however, participants' performance on the additional dumbbell task differed. The positive affect group performed better than the depletion control group, indicating an increase in self‐regulatory resources and thus supporting the replenishment effect of positive affect. No significant difference was found between the motivation group and the depletion control group. 相似文献
336.
Barbara Gawda Ewa Szepietowska Pawel Soluch Tomasz Wolak 《Journal of psycholinguistic research》2017,46(3):731-746
The present study was designed to examine the underlying brain mechanisms of positive and negative emotional verbal fluency. Three verbal fluency tasks (one non-emotional phonemic task, two emotional tasks: Joy and Fear) were used in this study. The results were analyzed for 35 healthy, Polish-speaking, right-handed adults aged 20–35. Functional magnetic resonance imaging (3T) was used to show brain activity during active participation in emotional verbal fluency tasks. The results reported for emotional fluency confirmed activation of different brain regions for the negative and positive emotional verbal fluency: in positive emotional verbal fluency Joy elicits greater activation in the frontal regions and the cingulate cortex, while in negative verbal fluency Fear is reflected in activation of parietal and temporal areas. The study provides an evidence for differentiation in neural mechanisms between positive and negative emotional verbal fluency and/or positive and negative retrieving processes, and differentiation in brain-related determinants of the emotional concepts organization. 相似文献
337.
338.
韵律对指代歧义的解歧作用及其机制 总被引:4,自引:0,他引:4
研究了韵律特征对指代歧义的解歧作用及其机制。所选的指代歧义句先由 33名被试确定其主要意思和次要意思。歧义句由 8名发音人朗读 ,经专家和普通听者评定后选出 1人的语料为实验材料。各有 12名在校大学生参加了重音听辨实验和名词互换语义判断实验。实验 1请被试比较歧义句中切分出来的所指名词与非所指名词的重读程度。实验 2中将不同的名词组合嵌入到主要意思与次要意思的句子框架中 ,请被试判断合成句表达的是主要意思还是次要意思。实验 3对 4名发音人的语料进行了声学分析 ,测量并比较了歧义句中的所指名词和非所指名词的音高、时长和音强。结果表明 ,韵律信息对于指代歧义有较好的解歧效果 ,消解指代歧义的基本手段是在所指名词上设置重音 ,其主要的声学表现是所指名词时长的延长。 相似文献
339.
340.
子宫内膜异位症纷繁而不确定的病因、复杂又多变的临床表现,门类众多而又有显著副作用的药物,给其治疗带来诸多困难。这也是导致不同病例治疗方案上众说纷纭、各执一词的主要原因。在一个相对规范的治疗方案或建议指引下,根据每一个病人疾病的具体特点,制定出既有原则性,又有针对性的个性化治疗方案,是非常有,临床意义的。本文就个性化治疗方案制定的依据、研究方法及具体措施运用哲学原理加以论述。 相似文献