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Cognitive reappraisal of emotion: a meta-analysis of human neuroimaging studies - Buhle (2013) - Article

Cognitive reappraisal of emotion: a meta-analysis of human neuroimaging studies - Buhle (2013) - Article

Summary with the article: Cognitive reappraisal of emotion: a meta-analysis of human neuroimaging studies - Buhle (2013)

Which brain regions are involved when we reappraise an emotional stimulus?

Humans are masters in regulation their responses in correspondence to the environment. The generation of emotions starts with the perception of a stimulus within a certain context and attending to each features. After that, the stimulus is being appraised in its emotional significance, leading to affective, behavioural or physiological responses. The stimulus appraisal can be altered, this is also known as cognitive reappraisal. Reappraisal is therefore an import aspect of many forms of psychological therapies. It is thought that the cognitive control processes involved in reappraisal are similar to those used in regulation attention and memory. The amygdala is a key element in the detection, encoding and organization of responses to arousing, goal-relevant stimuli. However, many other brain regions are involved in emotion and there are contrary views on which processes are involved. One view holds that control regions engage in the ventromedial prefrontal cortex (vmPFC), that in turn modulates the amygdala response. A second view is that control regions modulate semantic representations in the lateral temporal cortex that indirectly influences emotion-related responses in the amygdala. This article provides a meta-analysis of neuroimaging studies on cognitive reappraisal. The primary focus was to examine reappraisal of emotion versus naturalistic emotional responses.

Three questions

The first question examined was which brain regions are involved in supporting cognitive reappraisal. Studies have found that regions commonly observed in cognitive control tasks are active during cognitive reappraisal. These regions include the posterior dmPFC and bilateral dlPFC, the vlPFC and the posterior parietal cortex. This is in line with psychological models of reappraisal.

The second question consisted of whether implementation of reappraisal involves recruitment of the vmPFC or of the temporal regions that are known to support semantic and perceptual representations. The findings suggest that prefrontal, parietal and temporal regions are consistently recruited by reappraisal, independent on whether the affective response increased or decreased.

The third question was about whether it is the amygdala that modulates reappraisal. Findings revealed bilateral amygdala clusters, with no other clusters observed elsewhere in the brain. This could be explained by the fact that many studies used aversive stimuli, which are known to activate the amygdala stronger than pleasant stimuli. This is because the amygdale is particularly sensitive to detecting threats. Another possibility is that studies commonly used visual stimuli for eliciting emotions. It is known that there is a dense connection between the visual system and the amygdala, which might explain why the cluster was only found in the amygdala.

Concluding, these findings suggest that reappraisal involves the use of cognitive control to modulate semantic representations of an emotional stimulus and that these altered representations cause activity in the amygdala.

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The autonomic nervous system and emotion - Levenson (2014) - Article

The autonomic nervous system and emotion - Levenson (2014) - Article

Summary with the article: The autonomic nervous system and emotion - Levenson (2014)

Coherence and specificity in the relation between the autonomic nervous system and emotion

There is no doubt that the autonomic nervous system plays an important role in generating, expressing, experiencing and recognizing different emotions. However, research has found more controversies rather than consensus in the relationship between the different aspects of the autonomic nervous system and emotion.

One of these controversies is about the degree of the extent to which the autonomic nervous response in emotions is organized and coordinated (also referred to as coherence). There are two types of coherence. The first is coherence lies within the autonomic nervous system, which consists of cardiac and vascular responses. The second coherence is between the autonomic nervous system and other systems responsible for emotion response, such as facial expressions. Another important controversy is about the degree of autonomic nervous system specificity in emotion, an issue also referred to as the differences in autonomic nervous system responses for particular emotions.

Research on the association between different aspects of the autonomic nervous system and emotion faces many challenges. First of all, the autonomic nervous system responds to many (non-emotional) signals. Therefore, a change in activity within the system isn’t always caused by emotion. Secondly, bodily reactions associated with emotion, for example dilated pupils when experiencing fear, could also be caused by a homeostatic reaction, for example adjusting the pupil to the accessible amount of light. And finally, it has shown that it is nearly impossible to differentiate between responses caused by emotion or by personality.

Misconceptions on the role of the autonomic nervous system on emotion

There are several misconceptions concerning the autonomic nervous system on emotion:

The autonomic nervous system consists of two branches: the sympathetic nervous system and the parasympathetic nervous system. It is commonly thought that the sympathetic nervous system is the more activating system of the two, but this isn’t always the case.

Measuring the variability in heart rate doesn’t say anything on the activity of the entire parasympathetic nervous system.

It is thought that the most important role of the autonomic nervous system is arranging activity (both increased and decreased) in target organs. However, this is not the case.

    Different models of emotion

    The cognitive model of emotion states that emotions results from processes in higher brain centres (top-down view). Evolutionary/functionalist models state that bodily responses influence the subjective experience of emotion (bottom-up view). It is thought that during evolution different emotions were preserved as a generalized solution for common problems and therefore influenced our behaviour. The subjective emotional experience is not the most important feature of emotion, but come up after one detects bodily changes. It is claimed that different emotions cause different pattern of bodily reactions and therefore are recognizable to us.

    The evolutionary/functionalist models suggest that coherence and specificity are two important variants of autonomic nervous system patterning. Back in the days it was thought that emotions lead to chaos, but within these models it is thought that emotions lead to coordinated and effective responses to challenges and has an organizing function. In order to assess and quantify coherence, three criteria must be met. The first is that subjective, behavioural and physiological responses need to be measured over time. Secondly, different temporal characteristics of various systems responding to emotion need to be accounted for. Finally, the degree of coherence must be measured when participants reach their peaks in experiencing a strong emotion. Many studies on coherence do not meet these three criteria and found low coherence across emotion response systems. The one study that did found high evidence for coherence across response systems. This is clearly a topic for future research.

    The evolutionary/functionalist models also suggest that different emotions have different autonomic nervous system activity to help deal efficiently with possible obstacles in survival. Challenges in research are that humans often experience many different emotions during the day and there is no guarantee that a particular stimulus will elicit the targeted emotion. Many studies do not verify emotions and assume that the emotion evoked was the emotion they targeted. Secondly, many emotions evoked in a laboratory are subject to appraisal, which makes it possible for someone to adjust a high-intensity emotion to a low-intensity emotion. Another challenge is that many studies are prone to assess fairly easy autonomic nervous system responses, that do no justice to the dynamic nature of the autonomic nervous system. It is thought that eventually evidence will be found for specificity of at least four of the six basic emotions, but because of all the methodological challenges, this has not yet been found.

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    Coping: pitfalls and promise - Folkman - 2004 - Article

    Coping: pitfalls and promise - Folkman - 2004 - Article

    Summary of the article: Coping: pitfalls and promise - Folkman - 2004.

    Most research on coping has been couched in the framework of ego-psychology and the concept of defense and a large proportion of contemporary coping research can be traced back to the publication of Lazarus's (1966) book Psychological Stress and the Coping Process. Around 1970 coping became a distinct field in psychology. Lazarus and Folkman defined coping as thoughts and behaviors that people use to manage the internal and external demands of situations that are appraised as stressful. Coping is a process that unfolds in the context of a situation or condition that is appraised as personally significant and as taxing or exceeding the individual's resources for coping.

    How can you measure coping?

    The first generation of the coping measures took the form of a checklist of thoughts and behaviors that people use to manage stressful events. These inventories are helpful in that they allow multidimensional descriptions of situation-specific coping thoughts and behaviors that people can self-report. But there are also limitations:

    • Potentially burdensome length
    • Inadequate sampling of coping inherent in checklist approaches and response keys that are difficult to interpret
    • Variations in the recall period
    • Changes in meaning of a given coping strategy depending on when it occurs
    • Unreliability of recall
    • Confounding of items with their outcomes

    The most prominent of all the criticisms of the checklist approach concerns the problem of retrospective report and the accuracy of recall about specific thoughts and behaviors that were used one week or month earlier during the coping measurements. Narrative approaches provide an interesting alternative to checklist approaches. A great deal can be learned by asking people to provide narratives about stressful events, including what happened, emotion they experienced, and what they thought and did as the situation unfolded. Narrative approaches are also useful for uncovering for ways of coping that are not included on inventories. Research has also shown that narrative and quantitative approaches overlap, but are not equivalent.

    There is no golden standard for the measurement of coping, and you also have to think about possible biases that can be an influence. Retrospective accounts may be telling what the person is doing now to cope with what has happened, as well as what the person did then to cope with what happened then. Some might call this 'error' or 'noise'. The theoretical distinction between problem-focused and emotion-focused coping provides a useful way of talking about many kinds of coping in broad brushstrokes and it is used in the coping literature. Several researchers found that the problem-focused and emotion-focused distinction was a good starting point, but they identified meaning-focused coping as a different type of coping in which cognitive strategies are used to manage the meaning of a situation.

    Empirically derived categories of coping usually include the three theoretically derived factors mentioned above - problem-focused, emotion-focused and meaning-focused coping. Sometimes this kind of distinction is important to retain, if sample size allows, statistical techniques such as structural equation modeling can be used to examine unique effects of individual coping responses even though they are grouped into larger latent factors. A second set of issues related to the grouping of coping responses concerns the evaluation of the psychometric qualities of coping scales based on the groupings. Also another psychometric issue has to do with the expectation that a multifactorial scale should have factors that are independent of one another.

    What is coping effectiveness?

    An important motivation for studying coping is the belief that within a given culture certain ways of coping are more and less effective in promoting emotional well-being and addressing problems causing distress, and that such information can be used to design interventions to help people cope more effectively with the stress in their lives. The outcomes are about certain goals the individual wants to accomplish, and so, are personally significant to the individual. First, some outcomes tend to be proximal and are probably influenced by momentary coping. Second, coping responses that are effective with respect to one outcome may have a negative impact on another. A third point has to do with an assumption that a successful goal outcome involves mastery or resolution. A fourth issue has to do with who evaluates the status of the goal. 

    A full account of coping effectiveness must consider characteristics of the context and the fit between those characteristics and various types of coping. One is to classify stressful situations in terms of what they are about in objective terms, such as illness, death, or children. This approach ignores the psychological dimensions that are theoretically relevant to a contextual approach to coping. People's ability to modify their coping according to the situational demands is sometimes referred to as coping flexibility, which involves the systematic use of a variety of strategies across different situations rather than the more rigid application of a few coping strategies. Flexibility has been measured in three ways: through a card sorting procedure in which the individual places card containing descriptions of coping into categories that range from 'most like me' to 'least like me'. 

    What is future-oriented proactive coping?

    Coping research is dynamic and new directions are emerging that are helping the field move forward. Although the concept of threat is central to cognitive theories of stress, most studies of coping focus on how people cope with events that occurred in the past or that are occurring in the present. The responses on potential stressors are referred to as 'proactive coping'. The model defines five interrelated components of the proactive coping process: (a) the importance of building a reserve of resources that can be used to prevent or offset future net losses, (b) recognition of potential stressors, (c) initial appraisals of potential stressors, (d) preliminary coping efforts, (e) and the elicitation and use of feedback about the success of one's efforts. 

    What is the dual process model of coping?

    The Dual Process Model of coping (DPM) is a theoretically based cognitive model of coping designed for a the social, behavioral, and health sciences. The DPM specifies a dynamic process of coping whereby the individual changes between two orientations: loss and restoration. Loss-oriented coping has to do with grief, breaking bonds and thinking of the deceased person. The restoration-oriented coping includes attending secondary stressors that come about as a consequence of the loss. The DPM defines adaptive coping as involving oscillation between loss- and future-orientations. 

    What is religious coping?

    Religious coping received little attention until relatively recently. The interest in religious coping is spurred in part by evidence that religion plays an important role in the entire stress process, ranging from its influence on the ways in which people appraise events to its influence on the ways in which they respond psychologically and physically to those events over the long time. Most measures of religious coping relied on just one or two items that asked about religious involvement, religiosity or prayer. In the late 1990s the RCOPE is designed to assess five religious coping functions; (a) finding a meaning in the face of suffering a baffling life experiences, (b) providing an avenue to achieve a sense of mastery and control, (c) finding comfort and reducing apprehension by connecting with a force that goes beyond the individual, (d) fostering social solidarity and identity, and (e) assisting people in giving up old objects and value and finding new sources of significance. 

    Negative religious coping is an expression of 'a less secure relationship with God, a tenuous and ominous view of the world, and a religious struggle in the search for significance'. 

    What is emotional approach coping?

    Emotion-focused coping has been associated with higher levels of distress. Emotion-focused coping can include many different types of coping depending on the study. Second, emotion-focused items that indicate approach and items that reflect avoidance of emotions are often combined into a single scale when, in fact, their effect may be very different and they may actually be inversely correlated. Third, many of the emotion-focused items on the most commonly used coping scales are confounded with distress and therefore the correlations with distress outcomes are likely to be inflated. Coping through emotional approach involves actively processing and expressing emotion. 

    How does emotion regulation work?

    Emotion regulation is the process 'by which individuals influence which emotions they have, when they have them, and how they experience and express these emotions. Emotion regulatory processes may be automatic or controlled, conscious or unconscious, and may have their effect at one or more points in the emotion generative process'. 

    Emotion regulation also includes non conscious processes. Eisenberg (1997) identified two types of emotion regulation: one that involves regulating the internal feeling states and associated physiological processes and the second that involves regulating the behavioral concomitants of emotion. Researchers came to the conclusion that reappraisal and suppression have different affective, cognitive, social and physiological consequences. Gross & John (2003) developed the Emotion Regulation Questionnaire, a measure of individual differences in the tendency to reappraise or suppress. The work on emotion regulation adds to the coping literature by providing an in-depth look at the effects of some forms of emotion-focused types of coping. 

    What is the relation between coping and positive emotion?

    A new development in the field of coping has to do with the growing awareness of the presence of positive emotion in the stress process. This awareness has been fueled by growing interest in positive emotion more generally among emotion researchers. Positive emotion can occur with relatively high frequency, even in the most dire stressful context, and can occur during period when depression and distress are significantly elevated.

    The co-occurrence of positive and negative emotion has important implications for coping. On the one hand, if positive and negative emotions are simply bipolar opposites, then coping that reduces distress should simultaneously increase positive emotion, and vice versa. On the other hand, the co-occurrence phenomenon suggests there may be a degree of independence, in which case different kinds of coping may be associated with the regulation of positive and negative affect. One of the central tasks in coping with severe stress is to integrate the occurrence of the stressor with one's beliefs about the world and the self. A common theme in the coping processes related to positive emotion is their link to the individual's important values, beliefs, and goals that comprise the individual's sense of meaning.

    Also, people who have experienced a severe stressful event such as a tornado, hurricane, cancer diagnosis or losing a loved one, often report that something positive has come out of the experience, such as closer relationships with family and friends, reprioritizing of goals, and greater appreciation of life. These benefits and personal changes have been called stress-related growth.&

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    Article summary with Perceptual Selectivity for Color and Form by Theeuwes - 1992

    Article summary with Perceptual Selectivity for Color and Form by Theeuwes - 1992

    What is this article about?

    The article by Theeuwes (1992) is about the ability of parallel stage visual processing to selectively guide the attention. Visual information processing consists of two stages. First, the early, preattentive stage, operating without capacity limitations. The attention cannot be selectively drawn to one certain stimulus. The second one, limited-attentive-capacity stage can only deal with one or few items at once. Hereby, the nature of a stimulus makes a difference. For example, when searching for a certain color, the form did not interfere, and when searching for a certain form among stimuli, the color did not interfere.

    Different theories describe the processes. One theory describing a bottom-up activation, indicating that parallel stage is followed by focal attention. Other theories focus on top-down processing, indicating that visual attention is always influenced by the knowledge about the target.

    In the experiments of this study, the question of whether selectivity can be obtained when not only the stimulus dimension is known (e.g. that the target has a unique color), but also the exact feature value (e.g. the target is green). In order to answer this question three experiment has been conducted.

    What has been done in experiment 1a?  

    The first experiement had four conditions. The non-distractor color condition, green circles, as a unique color, was embedded in red circles. In the distractor color condition, one red circle was a red square. The non-distractor form condition consisted of green circles and green squares. The distractor form condition was one of the green squares red.

    During the tasks, 5,7 or 9 items were located around a fixation point. The participants in the form condition, and those in the color condition received both conditions, with 144 trials each. Each participant should search for the target and press the fitting response key. Speed and accuracy was measured.

    Results and Discussion

    The results showed if the target item differs in color, the form of the item does not interfere with the reactivity. However, if the form differs, the reactivity is slowed down. Selectivity for color seems to depend on bottom-up activation. Selectivity for top-down activation has not been found. Those results align with previous studies.

    What has been done in experiment 1b?

    The method and procedure were similar to the conduction of experiment 1a. Eight participants joined 144 trials. The form condition was used, participants had to look for green circle within green squares in a non-distractor and in a distractor condition.

    Results and Discussion

    Results showed that a top-down control is not possible and practice does not improve selectivity.

    What has been done is experiment 2?

    The difference in selectivity for form and for colors was tested in experiment 2. In total 16 participants joined the experiment, with eight participants assigned to the form condition and eight to the color condition. The focus of this experiment was on asymmetric selectivity

    Results and Discussion

    Results have shown that form with is an easier target to select attention on, whereas the search for a different color is more difficult if forms are the same.

    How can the findings of all three experiment be summarized?

    The goal of the three experiments was to understand the extent to which the first stage, the preattentive stage, can selectively guide attention. Previous studies found that stimulus discrimination towards a dimension does not occur. The current study found that stimulus discrimination towards a feature (form or color) does also not occur. Bottom-up processing seems to be common process. However, this does not exclude a possibility of top-down processing within the first stage.

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    Article summary with Intelligence gathering post 9/11 by Loftus - 2011

    Article summary with Intelligence gathering post 9/11 by Loftus - 2011

    By interviewing many different individuals information can be gathered for intelligence purposes. Not all these individuals want to cooperate though, think of suspects and prisoners. But information can also be gathered from other individuals. While getting information, investigators need to be aware of memory distortion and interrogation influences. Also they need to be able to detect deception.

    Interviews and interrogations

    At the end of the nineties a distinction was made between interviews and interrogations. Interviews are usually nonaccusatory. The investigator needs to evaluate the accuracy and completeness of the stories. Interrogations are more coercive and can use strategies such as confrontation and minimization. Here, the investigator needs to be aware not to lead to false confessions or erroneous inferences about lying and truth telling.

    Three important areas of research that can help maximize the accurate information and minimize inaccurate information are memory distortion, false confessions, and detecting deception.

    Memory distortion

    Many times after people have already experienced an event they are exposed to new information afterwards. This information can supplement or alter their memory, leading to errors in accurately trying to report what happened. Typical experiments have shown that misinformation can cause very large deficits in memory, such as seeing non-existing items and recalling incorrect details.

    Some important questions, such as when people are especially prone to being influenced by misinformation, and if we are all susceptible to misinformation, can be answered much better based upon recent research.

    Factors that influence the power of misinformation

    • People are more vulnerable to the influence of misinformation as time passes. The more time there is between the event and the misinformation, the higher the chance that the misinformation will be incorporated into the memory.

    • Also important is the method by which the misinformation is delivered. People are more likely to pick up the information if they get it from another person.

    • Young children and elderly are more susceptible to misinformation.

    • People with dissociative experiences are more susceptible to misinformation, because they distrust their own memories.

    The cognitive interview

    The cognitive interview was developed in the mid-eighties. It incorporates different techniques derived from basic principles of cognitive and social psychology, and it is supposed to help getting better information about past experiences. This type of interview can bring out a lot more information than more conventional strategies.

    To keep in mind during an interview or interrogation

    People are constantly exposed to new information after the event has passed. The researcher should look for instances in which this exposure may have influenced the individual’s memory. Especially when the individual doesn’t have a good memory of the event, it is important to remember that that person is more susceptible to misinformation.

    If a person makes a claim it is important to explore possible sources of suggestion. Think of the media, films, interrogations, and even self-generated misinformation.

    Another important point to keep in mind is that confidence is irrelevant. Even if a person is very detailed and absolutely sure of his story, this does not make it true.

    Finally, it is important to be aware of a useful manual for training police on how to gather information.

    False confessions

    One paradigm to investigate false confessions is the cheating paradigm. Here, the participants are accused of giving help to another person who is solving a problem, after a clear instruction that the two must not work together. Many participants eventually confess falsely. Another paradigm to study false confessions used tampered video evidence to make people admit to an act they didn’t commit.

    There are many different reasons as to why someone would confess to something they didn’t do. Some people confess for attention, or to protect someone. Also, bluffing can increase the likelihood of a false confession. In a coerced-compliant false confession, a person confesses even though they know that they didn’t do it, but they think it will lead to less negative outcomes than not confessing. In a coerced-internalized false confession a person confesses after false evidence is supplied (like saying someone failed the polygraph).

    Vulnerable groups

    Especially children, juveniles, and the mentally challenged are vulnerable to making false confessions.

    Taping

    One important paper suggested that all interrogations should be videotaped. This way, potential suggestion or coercion can be documented.

    Misconceptions

    There are several misconceptions when it comes to false confessions. Such as that false confessions do not happen that often, that only vulnerable people falsely confess, that the study of police interrogation is still at its beginning, and that suspects are sufficiently protected by their rights.

    How to verify a confession

    Confessions should always be verified. There are several things that can be done to contribute to this verification. First of all, the conditions under which the report was made have to be reported (e.g. was there coercion?). Secondly, the details in the confession need to be compared to what is known about the event. The confession is more valuable if the person has details that only he could have known and that have not been reported in another place. Finally, it needs to be investigated if there were conditions that could have made the person falsely confess (e.g. fatigue, isolation, false evidence).

    Detecting deception

    Results from experimental studies have shown that many people can tell an untrue story without showing any obvious clues that they are lying, such as gaze aversion or fidgeting. This popular belief can have very negative consequences for cultural and ethnic groups that engage more in gaze aversion in their everyday lives.

    Clues

    Several strategies can be used to detect deception:

    • By using a particular interviewing approach, such as the information-gathering style of interviewing, witnesses are asked open-ended questions. The focus is on gathering information, and not on accusing the witness. This is a very good approach, because it gives the investigator a lot of information which can be compared to the other data.

    • Another good approach is to ask unexpected questions, such as “Who finished their dinner first?”. Liars will more often come up with an answer, because they fear that if they do not know the answer, they look guilty.

    • Withholding event facts from a suspect can be used to trap the suspect in inconsistencies (e.g. not telling the suspect you found his fingerprints, until after he admitted to never have been at the crime scene).

    • Increasing the intensity of the interview can make lying more difficult, because lying takes a lot of cognitive effort.

    Torture

    It has become public that often coercive interrogation techniques are used on individuals that are being suspected of terrorism. These are sometimes called enhanced interrogation techniques, and include the repeated induction of shock, stress, anxiety, and torture. However, there is a lack of evidence that these methods actually work and reveal information that otherwise would not have been revealed. Also, they may just do the opposite of what they are intended to do.

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    Summaries: the best scientific articles for psychology and behavioral sciences summarized

    Summaries: the best scientific articles for psychology and behavioral sciences summarized

    Article summaries psychology and behavioral sciences

    What is this page about?

    • Type: summaries of scientific articles and academic papers
    • Area: a.o. Clinical and health psychology, Developmental psychology, Psychopathology and psychological disorders, Psychopharmacology, Social psychology
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