无意识情绪启动研究新进展

本文对目前无意识情绪启动的两种方式、无意识情绪启动在认知领域和人格领域实证研究、无意识情绪启动的神经生理的研究以及无意识情绪启动模型理论研究进行理论的综述;同时对无意识情绪启动研究不足之处以及今后研究方向作了简评。     

情绪启动研究的实验范式

情绪启动是探讨情绪和态度自动激活的有效方法,近期其研究范式有了较大的发展,相继产生了经典情绪启动实验、阈下情绪启动实验、向后情绪启动实验以及情绪启动与其他范式相结合的实验等较有影响的研究范式。文章分别梳理了这些范式及其研究结果,并在此基础上,总结研究所采用的范式并展望今后研究的发展趋势。     

情绪启动研究新进展

情绪启动是探讨无意识情绪和态度自动激活的有效方法,其研究对于推动情绪和社会认知领域态度的研究具有重要意义。文章指明了近期研究不仅关注情绪启动的产生条件,而且逐步深化了自身研究并发展了新的范式,同时在研究较为成熟的基础上,运用该范式探讨情绪与认知及社会认知领域的一系列问题。此外,文章简评了厂近期研究中存在的问题并展望了未来研究的方向。     

不同意识水平下的情绪启动

实验研究了不同意识水平下情绪启动的机制。我们采用带有褒贬意义的中文语句作为情绪刺激,要求被试在情绪刺激播放响度正常或极低的情境下对不熟悉的法语语句进行评价。结果显示无意识情绪启动显著;有意识情绪启动却未出现。我们认为无意识情绪启动是个体对刺激自动加工的结果;而个体在意识层面的认知加工可能会抑制已唤醒的情绪。另外,情绪刺激的不同排列方式对被试评价的倾向性可能有潜在的影响。     

安全基地启动及其脑机制

近几年,安全基地启动已成为拓展依恋理论的重要实验方法。安全启动能够改善情绪及情绪调节策略、增进人际关系、促进自我实现和利他等。安全启动下,研究者得以考察成人依恋与母婴依恋的神经基础及它们之间的区别与联系。该文分析了安全启动实验的不足,如生态效度和重复率不高,应用范围局限,缺乏启动效应持续性的研究等。未来的安全启动研究应突破现有实验室情境研究局限,拓展应用领域,加强对其心理机制与神经机制的探讨等。     

具身知觉符号理论视角下的情绪启动效应

从知觉符号理论出发对情绪启动效应进行解读,启动刺激与目标刺激涉及的知觉符号相似性、框架相似性及模态激活延续性是情绪启动效应产生的可能机制和影响因素。在此基础上总结归纳出情绪启动的知觉符号匹配假说,并建构情绪启动效应认知加工模型,对现有情绪启动理论进行整合和拓展,以促进情绪启动刺激材料的拓展、提高研究生态效度; 促进情绪启动效应操作的有效性,进而提高其应用价值。情绪启动研究亦能反哺于知觉符号理论,促进其发展。     

情绪启动研究范式与心理机制

情绪启动(affective priming)是指当启动刺激与目标刺激有相同效价即在评价上一致时,与具有不同效价即在评价上不一致时相比,在前一种情况下,对目标刺激的加工会更快和更准确,本文对情绪启动的研究范式,情绪启动的心理机制进行了综述。     

目标刺激的熟悉度和呈现角度对情绪启动的影响

本研究初步考察目标刺激的熟悉度和呈现角度对情绪启动的影响。研究采用女性面孔图片作为实验材料,随机选取30名大学生被试进行实验,采用重复测量方差分析对数据进行统计分析。结果发现:当目标刺激为熟悉图片时,出现了情绪启动效应;当目标刺激为不熟悉的图片时,未发现情绪启动效应;目标刺激的呈现角度对情绪启动效应没有影响。     

唤醒度对汉语情绪词情绪启动效应的影响

使用词汇情绪启动的实验范式,通过两个行为实验探讨了不同SOA(100ms、300ms和500ms)条件下情绪唤醒度在情绪启动效应中的作用,以及情绪启动效应是否受到任务形式的影响。结果发现,在情绪效价判断任务中,SOA为100ms时高唤醒和低唤醒启动词都出现了情绪启动效应,SOA为300ms时只有高唤醒启动词出现了情绪启动效应。在真假词判断任务中,无论高唤醒还是低唤醒启动词都没有出现情绪启动效应。唤醒度是影响词汇情绪启动效应的重要因素,但这种效应不是完全自动化的过程,会受到SOA和任务导向的影响。情绪启动效应可能来自于启动词与目标词在反应趋向上的一致性趋势。     

短影片启动情绪对注意偏向的影响

研究采用短影片启动情绪的技术,用积极和消极的两种情绪效价词作为认知材料,请大学生做被试,研究被试在不同情绪状态下是否存在注意偏向性.结果表明:(1)通过短影片启动情绪的效果十分显著,说明人们很容易受影片的影响而出现情绪的变化.(2)注意的倾向性总体来说呈现心境一致性效应,与情绪一致的信息更容易被划入人们的认知范围.(3)短影片情绪启动效果不存在性别差异,而注意受情绪影响的程度存在性别差异.     

Backward affective priming: Even when the prime is late, people still evaluate

It is well-established that affective stimuli can prime congruent evaluations if they precede the target within a short time interval, i.e., forward affective priming. The present research examines whether similar effects occur if affective primes succeed target presentation, i.e., backward affective priming. Experiments 1 found short-lived, yet reliable backward affective priming. Experiment 2 found parallel forward affective priming in the same paradigm. Experiment 3 found forward and backward affective priming in a within-subjects design. Comparison with neutral primes suggested that the observed effects were mainly due to interference. Backward affective priming is a robust phenomenon that may reflect a rapid and continuous evaluation of environmental stimuli.     

The direction of affective priming as a function of trait anxiety when naming target words with regular and irregular pronunciation

Results from an affective priming experiment confirm the previously reported influence of trait anxiety on the direction of affective priming in the naming task (Maier, Berner, & Pekrun, 2003): On trials in which extremely valenced primes appeared, positive affective priming reversed into negative affective priming with increasing levels of trait anxiety. Using valenced target words with irregular pronunciation did not have the expected effect of increasing the extent to which semantic processes play a role in naming, as affective priming effects were not stronger for irregular targets than for regular targets. This suggests the predominant operation of a whole-word nonsemantic pathway in reading aloud in German. Data from neutral priming trials hint at the possibility that negative affective priming in participants high in trait anxiety is due to inhibition of congruent targets.     

Directionality of affective priming: effects of trait anxiety and activation level

Among the most influential models of automatic affective processing is the spreading activation account (Fazio, Sanbonmatsu, Powell, & Kardes, 1986). However, investigations of this model by different research groups using the pronunciation task in an affective priming paradigm yielded contradictory results. Whereas one research group reported congruency effects, another obtained reversed priming effects (contrast effects), and still another found null effects. In Experiment 1, we were able to show an influence of trait anxiety on the direction of the affective priming effect. By using a multiple priming paradigm in Experiment 2, we were able to link the occurrence of reversed priming effects to increased levels of activation of affective representations. We propose that this relation might underlie the influence of trait anxiety on the direction of affective priming effects. Both experiments indicate that automatic evaluation in an affective network is substantially moderated by personality traits and activation level.     

Priming effects on the N400 in the affective priming paradigm with facial expressions of emotion

We studied the effect of facial expression primes on the evaluation of target words through a variant of the affective priming paradigm. In order to make the affective valence of the faces irrelevant to the task, the participants were assigned a double prime–target task in which they were unpredictably asked either to identify the gender of the face or to evaluate whether the word was pleasant or unpleasant. Behavioral and electrophysiological (event-related potential, or ERP) indices of affective priming were analyzed. Temporal and spatial versions of principal components analyses were used to detect and quantify those ERP components associated with affective priming. Although no significant behavioral priming was observed, electrophysiological indices showed a reverse priming effect, in the sense that the amplitude of the N400 was higher in response to congruent than to incongruent negative words. Moreover, a late positive potential (LPP), peaking around 700 ms, was sensitive to affective valence but not to prime–target congruency. This pattern of results is consistent with previous accounts of ERP effects in the affective priming paradigm that have linked the LPP with evaluative priming and the N400 with semantic priming. Our proposed explanation of the N400 priming effects obtained in the present study is based on two assumptions: a double check of affective stimuli in terms of valence and specific emotion content, and the differential specificities of facial expressions of positive and negative emotions.     

The affective regulation of cognitive priming

Semantic and affective priming are classic effects observed in cognitive and social psychology, respectively. The authors discovered that affect regulates such priming effects. In Experiment 1, positive and negative moods were induced before one of three priming tasks; evaluation, categorization, or lexical decision. As predicted, positive affect led to both affective priming (evaluation task) and semantic priming (category and lexical decision tasks). However, negative affect inhibited such effects. In Experiment 2, participants in their natural affective state completed the same priming tasks as in Experiment 1. As expected, affective priming (evaluation task) and category priming (categorization and lexical decision tasks) were observed in such resting affective states. Hence, the authors conclude that negative affect inhibits semantic and affective priming. These results support recent theoretical models, which suggest that positive affect promotes associations among strong and weak concepts, and that negative affect impairs such associations (Clore & Storbeck, 2006; Kuhl, 2000).     

不同情绪诱导条件下的自我参照效应

结合心境一致性效应和自我参照效应的经典研究范式,以情绪形容词作为学习材料,考察了情绪诱导对自我参照效应的影响。研究结果表明:(1)词的正负性对无意记忆的效果存在影响;(2)情绪形容词作为学习材料,可以引起自我参照效应;(3)情绪诱导状态影响后续的记忆加工,存在心境一致性效应;(4)情绪诱导对相异情绪特性的情绪形容词的自我参照加工均具有抑制作用。     

Test-retest reliability of subliminal facial affective priming

Since the seminal 1993 demonstrations o f Murphy an d Zajonc, researchers have replicated and extended findings concerning subliminal affective priming. So far, however, no data on test-retest reliability of affective priming effects are available. A subliminal facial affective priming task was administered to 22 healthy individuals (15 women and 7 men) twice about 7 wk. apart. Happy and sad facial expressions were used as affective primes and neutral Chinese ideographs served as target masks, which had to be evaluated. Neutral facial primes and a no-face condition served as baselines. All participants reported not having seen any of the prime faces at either testing session. Priming scores for affective faces compared to the baselines were computed. Acceptable test-retest correlations (rs) of up to .74 were found for the affective priming scores. Although measured almost 2 mo. apart, subliminal affective priming seems to be a temporally stable effect.