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Attentional biases in PTSD, adjustment disorder, and prolonged grief disorder: Attentional interference as a potential transdiagnostic feature PTSD、适应障碍和长时间悲伤障碍的注意偏倚:注意干扰作为潜在的跨诊断特征
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-07-01 DOI: 10.1177/20438087231199497
David J. Eberle, A. Maercker
In the ICD-11, posttraumatic stress disorder (PTSD), adjustment disorder (AjD), and prolonged grief disorder (PGD) belong together to the new grouping of disorders specifically associated with stress, which are all characterized by intrusive core symptoms. As previous studies suggest that intrusive symptoms are associated with attentional biases, it is plausible that PTSD, AjD, and PGD are characterized by the same attentional biases as a transdiagnostic feature. The present study investigated 90 participants with symptoms of PTSD, AjD, or PGD. Individuals with a subclinical symptom presentation were also able to participate, resulting in an analogue sample with the group labels aPTSD, aAjD, and aPGD. All participants completed a symptom induction task to provoke symptoms related to attentional biases. Subsequently, a visual search task (VST) was implemented. This test assessed reaction times to trials that include stress-related, neutral, and generally negative stimuli. The VST featured an interference and facilitation condition to investigate different types of attentional biases. Findings showed that all groups were characterized by particularly fast reaction times to trials which included stress-related stimuli in the interference condition, which indicates a reversed attentional interference bias. This bias has not been reported before and is perhaps related to an avoidance behavior.
在ICD-11中,创伤后应激障碍(PTSD)、调整障碍(AjD)和长期悲伤障碍(PGD)共同属于与压力相关的新一类疾病,这些疾病都以侵入性核心症状为特征。由于先前的研究表明,侵入性症状与注意力偏差有关,因此PTSD、AjD和PGD的特征可能与跨诊断特征具有相同的注意力偏差。本研究调查了90名有PTSD、AjD或PGD症状的参与者。具有亚临床症状表现的个体也能够参与,从而产生具有aPTSD、aAjD和aPGD组标签的类似样本。所有参与者都完成了一项症状诱导任务,以引发与注意力偏差相关的症状。随后,实现了可视化搜索任务(VST)。该测试评估了对包括压力相关、中性和一般负面刺激在内的试验的反应时间。VST以干扰和促进条件为特征来研究不同类型的注意偏差。研究结果表明,所有组的特征都是对干扰条件下包括压力相关刺激的试验反应特别快,这表明注意力干扰偏向发生了逆转。这种偏见以前没有报道过,可能与回避行为有关。
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引用次数: 0
The role of cognitive biases and negative life events in predicting later depressive symptoms in children and adolescents 认知偏差和负面生活事件在预测儿童和青少年后期抑郁症状中的作用
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-07-01 DOI: 10.1177/20438087231184753
B. Platt, A. Sfärlea, Johanna Löchner, E. Salemink, G. Schulte-Körne
Cognitive models propose that negative cognitive biases in attention (AB) and interpretation (IB) contribute to the onset of depression. This is the first prospective study to test this hypothesis in a sample of youth with no mental disorder. Participants were 61 youth aged 9–14 years with no mental disorder. At baseline (T1) we measured AB (passive-viewing task), IB (scrambled sentences task) and self-report depressive symptoms. Thirty months later (T2) we measured onset of mental disorder, depressive symptoms and life events (parent- and child-report). The sample included children of parents with ( n = 31) and without ( n = 30) parental depression. Symptoms of depression at T2 were predicted by IB ( ß = .35, p = .01) but not AB ( ß = .05, p = .72) at T1. This effect was strongest for children who experienced multiple negative life events (F2,48 = 6.0, p = .018, ΔR2 = .08). IB did not predict depressive symptoms at T2 over-and-above the effect of depressive symptoms at T1 ( ß = .21, p = .13). These findings suggest that IB (but not AB) plays an important role in the aetiology of depression. Modifying IB may have a preventive effect on youth depression, particularly for youth who experience negative life events. This prospective study provides important foundations for future experimental studies.
认知模型认为,注意力(AB)和解释(IB)方面的负面认知偏见会导致抑郁症的发作。这是第一项在没有精神障碍的年轻人样本中检验这一假设的前瞻性研究。参与者为61名9-14岁的无精神障碍青年。在基线(T1),我们测量了AB(被动观察任务)、IB(扰乱语句任务)和自我报告的抑郁症状。30个月后(T2),我们测量了精神障碍的发作、抑郁症状和生活事件(父母和孩子报告)。样本包括父母有(n=31)和没有(n=30)父母抑郁症的孩子。T2时的抑郁症状由IB预测(ß=.35,p=.01),而T1时的AB预测(ł=.05,p=.72)。这种影响在经历过多次负面生活事件的儿童中最强(F2,48=6.0,p=.018,ΔR2=.08)。IB对T2的抑郁症状的预测并不高于T1的抑郁症状(ß=0.21,p=.13)。这些发现表明IB(而不是AB)在抑郁症的病因中起着重要作用。修改IB可能对青少年抑郁症有预防作用,尤其是对经历过负面生活事件的青少年。这项前瞻性研究为未来的实验研究提供了重要的基础。
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引用次数: 0
Brief mindful yoga intervention fails to prevent depression-related outcomes after a dysphoric affect induction 短暂的正念瑜伽干预不能预防烦躁情绪诱发后的抑郁相关结果
4区 医学 Q4 PSYCHIATRY Pub Date : 2023-07-01 DOI: 10.1177/20438087231183777
Nina K. Vollbehr, H. J. Rogier Hoenders, Agna A. Bartels-Velthuis, Peter J. de Jong, Brian D. Ostafin
Objectives This study was designed to test whether a brief mindful yoga intervention can prevent depression-related responses to dysphoric events. Methods One-hundred-75 undergraduate participants were assigned to one of four conditions in a single-session study. Three conditions received a dysphoric affect induction. Before the induction, participants completed a 20-minute intervention consisting of (a) mindful yoga, (b) stretching, or (c) relaxation control. The fourth condition consisted of a neutral affect induction to examine the validity of the dysphoric affect induction. We hypothesized that compared to relaxation control and stretching, mindful yoga participants would show less: (H1) state depressed affect; (H2) rumination; and (H3) attentional bias toward depression-related words. Results Validity checks indicated that the dysphoric affect induction led to greater state depressed affect and rumination, but not attentional bias. Compared to relaxation control, mindful yoga did not show less state depression, rumination, or attentional bias. The stretching group showed less depression and rumination. Conclusions The results do not provide support for mindful yoga in preventing depression-related reactivity. It may be that when given in a brief, one-time dose, stretching is the better choice for preventing negative outcomes from a subsequent dysphoric experience.
目的:本研究旨在检验短暂的正念瑜伽干预是否能预防焦虑事件的抑郁相关反应。方法在一项单期研究中,175名本科生被分配到四种情况中的一种。三种情况下均有烦躁情绪诱导。在诱导之前,参与者完成了20分钟的干预,包括(a)正念瑜伽,(b)伸展,或(c)放松控制。第四个条件包括中性情绪诱导,以检验焦虑情绪诱导的效度。我们假设,与放松控制和拉伸相比,正念瑜伽的参与者会表现出更少的状态抑郁影响;(H2)沉思;(H3)对抑郁相关词汇的注意偏倚。结果效度检验表明,焦虑情绪诱导会导致更大的状态抑郁情绪和反刍,但不会导致注意偏倚。与放松控制相比,正念瑜伽并没有显示出更少的状态抑郁、沉思或注意力偏差。伸展组表现出较少的抑郁和反刍。结论正念瑜伽在预防抑郁相关反应性方面的研究结果不支持正念瑜伽。这可能是,当给予短暂的,一次性剂量,拉伸是更好的选择,以防止随后的烦躁经历的负面结果。
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引用次数: 0
The effects of brief emotional acceptance instructions on emotional distress and compulsive urges of various obsessive-compulsive symptoms dimensions 简短情绪接受指令对不同强迫症状维度的情绪困扰和强迫冲动的影响
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-07-01 DOI: 10.1177/20438087231190121
Cassandra C. H. See, V. S. Tan, Jia Min Tan, Oliver Sündermann
Background and Objectives: Emotion regulation (ER) deficits are increasingly implicated in obsessive-compulsive symptoms (OCS). The ER difficulty of ‘non-acceptance of emotions’ has been most consistently found to correlate with OCS – albeit not uniformly with all OCS dimensions. This study examined the causal relationships between the acceptance of emotions and four OCS dimensions: contamination, responsibility of harm, unacceptable thoughts and symmetry. Methods: Participants in this online study rated their baseline emotional distress and compulsive urges to OC scenarios corresponding to each OCS dimension. After completing questionnaires on ER, OCS, anxiety and depressive symptoms, participants were randomly assigned to two conditions and instructed to observe and accept their emotions (acceptance condition; n = 180) or observe their emotions (control condition; n = 185) as they re-read the scenarios. Participants then rated their post-manipulation emotional distress and compulsive urges to each scenario. Results: The instructions to accept emotions resulted in lower compulsive urges to the responsibility of harm scenario, for participants with lower baseline compulsive urges. There were no other group differences on post-manipulation measures. Conclusions: The current findings suggest that even brief instructions to accept one’s emotions reduced compulsive urges, pointing to the potential clinical utility of enhancing the acceptance of emotions.
背景与目的:情绪调节(ER)缺陷与强迫症(OCS)的关系日益密切。“不接受情绪”的ER困难被最一致地发现与OCS相关——尽管与所有OCS维度并不一致。本研究考察了情感接受与OCS四个维度之间的因果关系:污染、伤害责任、不可接受的思想和对称性。方法:这项在线研究的参与者根据每个OCS维度对他们的基线情绪困扰和对OC场景的强迫冲动进行评分。在完成关于ER、OCS、焦虑和抑郁症状的问卷调查后,参与者被随机分配到两种情况下,并被指示在重读场景时观察和接受他们的情绪(接受情况;n=180)或观察他们的情感(对照情况;n=185)。然后,参与者对他们在操纵后的情绪困扰和强迫性冲动进行评分。结果:对于基线强迫冲动较低的参与者来说,接受情绪的指令会降低对伤害场景责任的强迫冲动。在操作后的测量上没有其他组间差异。结论:目前的研究结果表明,即使是接受情绪的简短指示也能减少强迫冲动,这表明增强对情绪的接受具有潜在的临床效用。
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引用次数: 0
Testing the dysregulation of goal and activity identification hypothesis on mental health outcomes: The moderating effect of psychological flexibility 目的与活动认同假说失调对心理健康结果的检验:心理灵活性的调节作用
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-04-01 DOI: 10.1177/20438087231183564
Josh W. Faulkner, Rebecca E. Grattan, L. Darroch
The objective of this study is to test the dysregulation of goal/activity identification hypothesis and the role of psychological flexibility within it. A nonclinical sample of 247 adults completed the Personalized Psychological Flexibility Index (PPFI) and DASS-21. Participants' goal on the PPFI were categorized into abstract or concrete. The moderating effect of psychological flexibility on the relationship between goal abstraction and stress, depression and anxiety were examined. These relationships were explored using specific dimensions of psychological flexibility: harnessing, avoidance and acceptance. A significant interaction was found between psychological flexibility and goal abstraction on stress. Individuals who stipulated an abstract goal and had lower levels of psychological flexibility had significantly higher levels of stress. This relationship was not evident for concrete goals. These findings did not emerge when examining specific dimensions of psychological flexibility suggesting that multiple facets of psychological flexibility contribute to these findings. Harnessing was, however, unique. Individuals with a concrete goal and higher levels of harnessing had significantly higher stress. This study provides preliminary findings regarding the influence of psychological flexibility within the dysregulation of goal/action identification hypothesis. Future research, particularly in clinical samples is needed to confirm these associations and their combined role as a transdiagnostic process.
本研究的目的是检验目标/活动识别假说的失调以及心理灵活性在其中的作用。非临床样本247名成人完成了个性化心理灵活性指数(PPFI)和DASS-21。参与者在PPFI上的目标分为抽象和具体两类。考察了心理灵活性对目标抽象与压力、抑郁、焦虑关系的调节作用。这些关系是通过心理灵活性的特定维度来探索的:利用、回避和接受。心理灵活性与压力目标抽象之间存在显著的交互作用。设定抽象目标和心理灵活性水平较低的个体压力水平明显较高。这种关系在具体目标上并不明显。当研究心理灵活性的特定维度时,这些发现并没有出现,这表明心理灵活性的多个方面促成了这些发现。然而,驾驭是独一无二的。目标明确、驾驭能力强的个体压力明显更大。本研究提供了目标/行动识别失调假说中心理灵活性的影响的初步发现。未来的研究,特别是临床样本的研究需要证实这些关联及其作为跨诊断过程的综合作用。
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引用次数: 0
Ecological Momentary Assessment and Personalized Networks in Cognitive Bias Modification Studies on Addiction: Advances and Challenges 成瘾认知偏差修正研究中的生态瞬时评估和个性化网络:进展与挑战
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-04-01 DOI: 10.1177/20438087231178123
Alessandra C. Mansueto, Ting Pan, Pieter Van Dessel, R. Wiers
Adding cognitive bias modification (CBM) to treatment as usual for alcohol use disorders has been found to reduce relapse rates. However, CBM has not yielded effects as a stand-alone intervention. One possible reason may be that this is due to CBM effects being underpinned by inferential rather than associative mental mechanisms. This change in perspective has led to a proposed improved version of CBM: Inference-based ABC training. In ABC training, participants learn to relate the antecedents (A) of their addiction behavior to alternative behaviors (B) and to their expected consequences (C) in relation to their long-term goals. Mechanisms triggering and maintaining addiction, such as those targeted during ABC training, can differ between people. Ecological Momentary Assessment (EMA) and derived personalized statistics, including models depicting relationships between variables (i.e., personalized networks), are therefore promising tools to help to optimally personalize this training. In this paper, we (1) explain the theoretical background and first implementations of ABC training; (2) present novel approaches to personalize treatment based on EMA; (3) propose ways forward to integrate improved CBM approaches and EMA to potentially advance addiction treatment; and (4) discuss promises and challenges of these proposed new approaches.
研究发现,在酒精使用障碍的常规治疗中添加认知偏差修正(CBM)可以降低复发率。然而,CBM并没有作为一种独立的干预措施产生效果。一个可能的原因可能是,这是由于CBM效应是由推理而非联想的心理机制支撑的。这种观点的改变导致了CBM的改进版本:基于推理的ABC训练。在ABC培训中,参与者学会将成瘾行为的前因(A)与替代行为(B)以及与长期目标相关的预期后果(C)联系起来。引发和维持成瘾的机制,如ABC培训期间针对的机制,可能因人而异。因此,生态瞬时评估(EMA)和衍生的个性化统计数据,包括描述变量之间关系的模型(即个性化网络),是帮助优化个性化培训的有前途的工具。在本文中,我们(1)解释了ABC培训的理论背景和首次实施;(2) 提出了基于EMA的个性化治疗的新方法;(3) 提出将改进的CBM方法和EMA相结合的方法,以潜在地推进成瘾治疗;以及(4)讨论这些提出的新方法的前景和挑战。
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引用次数: 0
Researching Shame, Dissociation, and Their Relationship Using Latent Change Modeling 运用潜在变化模型研究羞耻、分离及其关系
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-04-01 DOI: 10.1177/20438087231162756
Patricia Kulla, Tina Braun, Tim Reichenberger, Joachim Kruse
Shame and dissociation play pivotal roles in the pathogenesis and treatment of (complex) post-traumatic stress disorder. However, the causal relationship between these two symptoms remains unclear. We tested the association between state shame and state dissociation in 249 participants (Mage = 27.55; SDage = 8.74; 60.24% female; 84.7% no mental illness). After completing questionnaires (trait shame and dissociation, trauma history), participants were randomly allocated to an imaginative shame or dissociation induction group, and changes in state shame and dissociation were measured. The data were analyzed using latent change score modeling. We found significant changes in both state shame and dissociation, with an isolated change of state shame in the shame induction group but changes in both shame and dissociation in the dissociation induction group. Thus, state shame and dissociation correlated only with the induction of dissociation. We found an effect of trait variables only on state dissociation and no effect of trauma history on state variables. The interaction between shame and dissociation remains complex and is only partially understood. Our study adds to research supporting the assumption that dissociation leads to shame. In addition, in experimental psychopathology approaches, imaginative procedures seem more suitable for studying shame than for studying dissociative symptoms.
羞耻和分离在(复杂的)创伤后应激障碍的发病机制和治疗中起着关键作用。然而,这两种症状之间的因果关系尚不清楚。我们在249名参与者中测试了状态羞耻感和状态分离之间的关系(Mage=27.55;SDage=8.74;60.24%的女性;84.7%没有精神疾病)。在完成问卷调查(特质羞耻和分离、创伤史)后,参与者被随机分配到想象羞耻或分离诱导组,并测量状态羞耻和分离的变化。使用潜在变化得分模型对数据进行分析。我们发现状态羞耻感和分离感都发生了显著变化,羞耻感诱导组的状态羞耻感发生了孤立变化,但分离诱导组的羞耻感和解离感都发生变化。因此,状态羞耻和分离只与分离的诱导相关。我们发现特征变量只对状态分离有影响,而创伤史对状态变量没有影响。羞耻感和分离之间的相互作用仍然很复杂,人们只能部分理解。我们的研究增加了支持分离会导致羞耻这一假设的研究。此外,在实验精神病理学方法中,想象程序似乎更适合研究羞耻感,而不是研究解离症状。
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引用次数: 0
Does evaluating oneself cause evaluations of others while observing a social interaction? An experimental investigation of the cognitive and emotional consequences following a false-feedback task 在观察社交互动时,评价自己会引起对他人的评价吗?错误反馈任务后认知和情绪后果的实验研究
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-04-01 DOI: 10.1177/20438087231169897
Ryan J. Ferguson, Allison J. Ouimet
Introduction Despite decades of research on how people with social anxiety evaluate themselves and others, it remains unclear whether people who evaluate themselves negatively also evaluate others negatively. Findings from other-evaluation research are equivocal, perhaps attributable to methodology differences and inconsistent operationalization. Social-cognitive and cognitive-behavioural models suggest that negative self-evaluations may cause participants to subsequently evaluate a visibly anxious person negatively. We tested this hypothesis experimentally, using a video-recorded social interaction and novel false-feedback manipulation. Methods: 169 unselected participants completed baseline questionnaires and a 10-min impromptu conversation task with a confederate. We randomly assigned participants to receive positive, ambiguous, or negative false-feedback about their performance. Next, they evaluated their own performance and watched a recorded conversation between an anxious and confident speaker. Finally, they evaluated the anxious person’s performance. Results: Our manipulation was effective; participants in the negative-feedback condition rated themselves more negatively. However, no differences emerged between conditions on most cognitive and emotional outcomes. Discussion: Evaluating oneself negatively, on its own, may not lead people to evaluate a visibly anxious person in a recorded social interaction negatively in a single-session experiment within an unselected sample. Future studies should examine this relationship with a clinical sample across time and contexts.
引言尽管几十年来一直在研究社交焦虑症患者如何评价自己和他人,但目前尚不清楚消极评价自己的人是否也会消极评价他人。其他评估研究的结果模棱两可,可能是由于方法差异和操作不一致。社会认知和认知行为模型表明,负面的自我评价可能会导致参与者随后对明显焦虑的人进行负面评价。我们通过实验验证了这一假设,使用视频记录的社交互动和新颖的虚假反馈操纵。方法:169名未经选择的参与者完成了基线问卷调查和与一名同伴的10分钟即兴对话任务。我们随机分配参与者接受关于他们表现的积极、模棱两可或消极的虚假反馈。接下来,他们评估了自己的表现,并观看了一位焦虑自信的演讲者之间的对话录音。最后,他们评估了焦虑者的表现。结果:我们的手法是有效的;负反馈条件下的参与者对自己的评价更为负面。然而,在大多数认知和情绪结果上,条件之间没有差异。讨论:在未选择的样本中,对自己进行负面评价可能不会导致人们在记录的社交互动中对明显焦虑的人进行负面评价。未来的研究应该在不同的时间和背景下,通过临床样本来检验这种关系。
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引用次数: 0
The pupil as a window to the mind’s eye: Greater emotionality of episodic imagery than verbal visualisation of rewarding activities 瞳孔是心灵之眼的窗口:情景意象比奖励活动的口头可视化更容易引起情感
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-04-01 DOI: 10.1177/20438087231161176
Andreas Bär, Hannah E Bär, Max Schneider, F. Renner
Episodic imagery has been shown to amplify emotion more than abstract verbal representations. This may prove useful for clinical interventions aiming to motivate adaptive behaviours. However, most findings rely on self-report measures and verbal control conditions not designed to actively prevent automatic engagement in episodic imagery. We thus investigated the difference in emotionality between Episodic Imagery (EI) and Verbal Visualisation (VV) using pupil dilation as a physiological measure of emotional arousal. A sample of 75 participants listened to audio recordings describing activities in a positive manner. Subjects were randomly assigned to the EI or VV condition. Participants in the EI condition imagined performing the described activity, while participants in the VV condition visualised the words constituting the descriptions. As predicted, EI led to greater pupil dilation than VV, independent of mental effort. Self-reported anticipatory reward assessed throughout the task was also greater for EI than VV, yet no difference was found for arousal, anticipated reward or motivation. Our findings extend previous work demonstrating the property of episodic imagery to amplify emotion to a physiological level using pupillometry. However, we did not find a transfer to motivation, which is in line with previous studies using verbal control conditions for episodic imagery.
情节意象已被证明比抽象的言语表征更能放大情感。这可能对旨在激励适应性行为的临床干预措施有用。然而,大多数研究结果依赖于自我报告措施和言语控制条件,而这些措施和条件并不是为了积极防止自动参与情景图像。因此,我们使用瞳孔扩张作为情绪唤醒的生理指标,研究了情景意象(EI)和言语视觉化(VV)之间的情绪性差异。75名参与者的样本以积极的方式收听了描述活动的录音。受试者被随机分配到EI或VV状态。EI条件下的参与者想象进行所描述的活动,而VV条件下的与会者想象构成描述的单词。正如预测的那样,EI比VV导致更大的瞳孔扩张,与脑力劳动无关。在整个任务中评估的自我报告的预期奖励对EI的影响也大于VV,但在唤醒、预期奖励或动机方面没有发现差异。我们的发现扩展了先前的工作,证明了情景意象的特性,即使用瞳孔测量法将情绪放大到生理水平。然而,我们没有发现动机的转移,这与之前使用情景意象的言语控制条件的研究一致。
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引用次数: 0
Reducing avoidance of learnt fear: Extinction of an imminent threat signal partly decreases costly avoidance to a distal threat signal 减少对习得恐惧的回避:迫在眉睫的威胁信号的消失在一定程度上减少了对远端威胁信号的昂贵回避
IF 1.4 4区 医学 Q4 PSYCHIATRY Pub Date : 2023-04-01 DOI: 10.1177/20438087231175147
Alex H. K. Wong, A. Pittig
In the interplay of fear and avoidance, not only imminent threat signals that directly predict potential threat evoke avoidance, but also distal threat signals that predict these imminent threat signals. Avoidance of learnt fear refers to avoidance to a distal threat signal that prevents the occurrence of an imminent threat signal. In clinical anxiety, it is often pathological given its persistence in the absence of threat and the impairments it inflicts. The current study examined whether fear extinction to an imminent threat signal would effectively reduce avoidance of learnt fear in a sensory preconditioning procedure. Three neutral preconditioning stimuli (PSs), serving as distal threat or safety signals, were paired with three neutral to-be conditioned stimuli (CSs), serving as imminent threat or safety signals. After assessing baseline levels of costly avoidance to the PSs, two CSs were paired with threat. One of these CSs then ceased to predict threat during extinction training. In test, participants showed limited avoidance to the PS that signaled the extinguished CS, however, the level of avoidance was still stronger compared to a PS that signaled a safety CS. Results suggest that exposure to an imminent threat signal partly reduces avoidance to a distal threat.
在恐惧和回避的相互作用中,不仅直接预测潜在威胁的迫在眉睫的威胁信号引起回避,而且预测这些迫在眉睫的威胁信号的远端威胁信号也引起回避。习得性恐惧的回避是指对远端威胁信号的回避,以防止迫在眉睫的威胁信号的发生。在临床焦虑中,它通常是病理性的,因为它在没有威胁的情况下持续存在,并造成损害。本研究考察了在感觉预处理过程中,对迫在眉睫的威胁信号的恐惧消退是否能有效地减少对习得性恐惧的回避。三个中性前条件刺激(ps)作为远端威胁或安全信号,与三个中性拟条件刺激(CSs)作为迫在眉睫的威胁或安全信号配对。在评估了对PSs的代价回避的基线水平后,将两个CSs与威胁配对。其中一个CSs在灭绝训练中停止了对威胁的预测。在测试中,参与者对发出熄灭CS信号的PS表现出有限的回避,然而,与发出安全CS信号的PS相比,回避的程度仍然更强。结果表明,暴露于迫在眉睫的威胁信号在一定程度上减少了对远端威胁的回避。
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引用次数: 0
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Journal of Experimental Psychopathology
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