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891.
Peter Seraganian Ethel Roskies James A. Hanley Robert Oseasohn Robert Collu 《Psychology & health》2013,28(3):195-213
Abstract Psychophysiological reactivity has been associated with heightened risk of coronary heart disease. Since behavioral processes may contribute to disease etiology, the possibility arises that they might also contribute to disease prevention. The capability of behavioral interventions to modify exaggerated reactivity in Type A men. was therefore, brought under experimental scrutiny. Subjects were 107 male managers. who met the following criteria: (1) no history or current signs of heart disease. (2) presence of Type A behavior pattern, and (3) exaggerated psychophysiological reactivity to mental stress. After matching for age and physical fitness level. participants were randomly assigned to one of three 10-week intervention programs: aerohic training, weight training and cognitive-behavioral stress management. Heart rate and blood pressure were monitored while challenging mental tasks were performed in pre-training and post-training laboratory sessions before and after the intervention programs. Although participants in the two physical activity programs showed the expected physical adaptations, no changes in psychophysiological reactivity were seen in the three groups. This negative result may indicate either that reactivity was not altered owing to the conditions of the present experiment, or that these behavioral interventions are truly without effect. 相似文献
892.
Rebecca J. Compton 《Cognition & emotion》2013,27(3):401-415
This investigation addresses the hypothesis that negative affect is associated with decreased ability to shift attention to a new focus. Thirty-nine participants completed a covert attentional orienting task and then viewed a distressing film clip. Mood was measured by self-report at the beginning and end of the session. Correlations between attentional orienting performance and self-reported mood indicated that participants with greater response time costs on invalidly cued trials reported more negative affect in response to the film. These results support the hypothesis that negative affect is associated with a slowness to disengage attention. 相似文献
893.
In everyday life, people frequently make decisions based on tacit or explicit forecasts about the emotional consequences associated with the possible choices. We investigated age differences in such forecasts and their accuracy by surveying voters about their expected and, subsequently, their actual emotional responses to the 2008 US presidential election. A sample of 762 Democratic and Republican voters aged 20 to 80 years participated in a web-based study; 346 could be re-contacted two days after the election. Older adults forecasted lower increases in high-arousal emotions (e.g., excitement after winning; anger after losing) and larger increases in low-arousal emotions (e.g., sluggishness after losing) than younger adults. Age differences in actual responses to the election were consistent with forecasts, albeit less pervasive. Additionally, among supporters of the winning candidate, but not among supporters of the losing candidate, forecasting accuracy was enhanced with age, suggesting a positivity effect in affective forecasting. These results add to emerging findings about the role of valence and arousal in emotional ageing and demonstrate age differences in affective forecasting about a real-world event with an emotionally charged outcome. 相似文献
894.
When viewing a face expressing emotion, the viewer's face mimics the same emotion. It is unknown whether such facial mimicry takes place when the viewed emotion is a task irrelevant property of the face. The present experiment addressed this question by asking participants to judge either the emotional expression or the colour of a series of happy and angry faces that were either blue or yellow. Electromyographical recordings showed that when emotion was ignored, there was a tendency for facial muscle activity to be suppressed. Nonetheless, participants’ facial expressions mimicked target expressions, with the zygomaticus cheek muscle being more active when viewing a smiling face and the corrugator brow muscle more active when viewing an angry face. These data support the automatic encoding of irrelevant emotional information, as well as suppression of emotional information by selective attention. 相似文献
895.
Patricia J. Deldin Shanthi K. Naidu Avgusta Y. Shestyuk Brooks R. Casas 《Cognition & emotion》2013,27(5):1002-1020
This study examined differential impact of the valence and arousal characteristics of stimuli on memory biases and brain activity in major depressive disorder (MDD) and non-depressed control participants. P300 and slow wave (SW) components of the event-related brain potential (ERP) were recorded in 18 MDD and 18 control individuals during the encoding of positive and negative, high and low arousal words in a free recall task. Control participants demonstrated expected enhanced memory for positive stimuli that was accompanied by a corresponding increase in SW ERP components. These effects were not seen in the MDD participants. Rather, memory biases for negative information in MDD were only observed for low arousal words and were not reflected in ERP amplitudes. This study suggests that the inconsistency in the MDD memory bias literature may be related to the arousing nature of the stimuli incorporated in the study. 相似文献
896.
It has been repeatedly stated that approach and avoidance reactions to emotional faces are triggered by the intention signalled by the emotion. This line of thought suggests that each emotion signals a specific intention triggering a specific behavioural reaction. However, empirical results examining this assumption are inconsistent, suggesting that it might be too short-sighted. We hypothesise that the same emotional expression can signal different social messages and, therefore, trigger different reactions; which social message is signalled by an emotional expression should be influenced by moderating variables, such as the group membership of the expresser. In two experiments, we show that group membership influences approach and avoidance reactions to emotional expressions: Emotions (fear and happiness) expressed by in-group members elicited concordant behaviour, whereas emotions expressed by out-group members activated the reverse pattern. A third experiment, in which participants directly evaluated smiling and fearful individuals resembling in-group and out-group members supported this result. 相似文献
897.
Although contamination sensitivity has been implicated in several disorders, there is a paucity of research examining the influence of this trait on various outcomes. Accordingly, the present study examined the extent to which individual differences in contamination sensitivity moderated state affect in response to a mood induction and subsequent information processing biases, as assessed by a lexical decision task (LDT). It was hypothesised that the moderating effects of contamination sensitivity would be specific to disgust responding to a negative but not positive mood induction, and to reaction times to disgust and fear compared to happy words on the LDT. The findings were largely consistent with this hypothesis, as contamination sensitivity predicted increased disgust and arousal to the negative mood induction. Contamination sensitivity was also a better predictor of reaction times to disgust and fear words than happy words. However, the moderating effect of contamination sensitivity on reaction times on the LDT was not mediated by its effects on response to the negative mood induction. Implications of these findings for conceptualising the role of contamination sensitivity and its association with disgust in specific disorders are discussed. 相似文献
898.
899.
Fluency of visual processing induces affective responses, with easier-to-process stimuli being preferred (Winkielman & Cacioppo, 2001). The present study extends this research to the motor domain by investigating the effect of sensorimotor fluency on affective reactions to objects in a categorisation task. In fluent stimulus–response (s–r) trials, grasp-compatible objects were presented on the same side of the screen as the response hand; in non-fluent trials, grasp incompatible objects were presented on the opposite side of the screen to the response hand. Affective responses were measured implicitly using face muscle activity (electromyography). As predicted, participants exhibited greater cheek muscle activity (associated with smiling) in trials with s–r compatible responses compared with incompatible responses. These findings support hedonic models of fluency in which fluent processing elicits direct emotional experience, and suggest that models of hedonic fluency should take into account the integration of the motor system in visual processing. 相似文献
900.
Jacobien M. van Peer Mark Rotteveel Philip Spinhoven Marieke S. Tollenaar Karin Roelofs 《Cognition & emotion》2013,27(5):863-875
Increasing evidence indicates that evaluation of affective stimuli facilitates the execution of affect-congruent approach and avoidance responses, and vice versa. These effects are proposed to be mediated by increases or decreases in the relative distance to the stimulus, due to the participant's action. In a series of experiments we investigated whether stimulus categorisation is similarly influenced when changes in this relative distance are due to movement of the stimulus instead of movements by the participant. Participants responded to happy and angry faces that appeared to approach (move towards) or withdraw (move away) from them. In line with previous findings, affective categorisation was facilitated when the movement was congruent with stimulus valence, resulting in faster and more correct responses to approaching happy and withdrawing angry faces. These findings suggest that relative distance indeed plays a crucial role in approach–avoidance congruency effects, and that these effects do not depend on the execution of movements by the participant. 相似文献