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排序方式: 共有418条查询结果,搜索用时 15 毫秒
31.
Corinna M. Perchtold Andreas Fink Christian Rominger Hannelore Weber Vera Loureiro de Assunção Günter Schulter 《Anxiety, stress, and coping》2018,31(2):206-221
Background and objectives: Previous research indicated that more left-lateralized prefrontal activation during cognitive reappraisal efforts was linked to a greater capacity for generating reappraisals, which is a prerequisite for the effective implementation of cognitive reappraisal in everyday life. The present study examined whether the supposedly appropriate brain activation is relevant in terms of more distal outcomes, i.e., chronic stress perception.Design and methods: Prefrontal EEG alpha asymmetry was recorded while female participants were generating reappraisals for stressful events and was correlated with their self-reported chronic stress levels in everyday life (n?=?80).Results: Women showing less left-lateralized brain activity in the ventrolateral prefrontal cortex during cognitive reappraisal efforts reported experiencing more stress in their daily lives. This effect was independent of self-efficacy beliefs in managing negative emotions.Conclusion: These findings underline the practical relevance of individual differences in appropriate brain activation during emotion regulation efforts and the assumedly related basic capacity for the generation of cognitive reappraisals to the feeling of being stressed. Implications include the selection of interventions for the improvement of coping with stress in women in whom the capability for appropriate brain activation during reappraisal efforts may be impaired, e.g., due to depression or old age. 相似文献
32.
Chuanji Gao Douglas H. Wedell Jongwan Kim Christine E. Weber 《Cognition & emotion》2018,32(3):516-529
Two experiments examined how affective values from visual and auditory modalities are integrated. Experiment 1 paired music and videos drawn from three levels of valence while holding arousal constant. Experiment 2 included a parallel combination of three levels of arousal while holding valence constant. In each experiment, participants rated their affective states after unimodal and multimodal presentations. Experiment 1 revealed a congruency effect in which stimulus combinations of the same extreme valence resulted in more extreme state ratings than component stimuli presented in isolation. An interaction between music and video valence reflected the greater influence of negative affect. Video valence was found to have a significantly greater effect on combined ratings than music valence. The pattern of data was explained by a five parameter differential weight averaging model that attributed greater weight to the visual modality and increased weight with decreasing values of valence. Experiment 2 revealed a congruency effect only for high arousal combinations and no interaction effects. This pattern was explained by a three parameter constant weight averaging model with greater weight for the auditory modality and a very low arousal value for the initial state. These results demonstrate key differences in audiovisual integration between valence and arousal. 相似文献
33.
da Silva WC Bonini JS Bevilaqua LR Izquierdo I Cammarota M 《Neurobiology of learning and memory》2006,86(1):100-106
Several evidences suggest that brain histamine is involved in memory consolidation but the actual contribution of the hippocampal histaminergic system to this process remains controversial. Here, we show that when infused into the CA1 region of the dorsal hippocampus immediately after training in an inhibitory avoidance task, but not later, histamine induced a dose-dependent promnesic effect without altering locomotor activity, exploratory behavior, anxiety state or retrieval of the avoidance response. The facilitatory effect of intra-CA1 histamine was mimicked by the histamine N-methyltransferase inhibitor SKF-91844 as well as by the H2 receptor agonist dimaprit and it was blocked completely by the H2 receptor antagonist ranitidine. Conversely, the promnesic action of histamine was unaffected by the H1 receptor antagonist pyrilamine, the H3 receptor antagonist, thioperamide, and the NMDAr polyamine-binding site antagonist ifenprodil. By themselves, ranitidine, pyrilamine, thioperamide, and ifenprodil did not affect IA memory consolidation. Our data indicate that, when given into CA1, histamine enhances memory consolidation through a mechanism that involves activation of H2 receptors; however, endogenous CA1 histamine does not seem to participate in the consolidation of IA memory at least at the post-training times analyzed. 相似文献
34.
35.
This study investigated whether measuring the phenomenology of eyewitness identification decisions aids evaluation of their accuracy. Witnesses (N = 502) viewed a simulated crime and attempted to identify two targets from lineups. A divided attention manipulation during encoding reduced the rate of remember (R) correct identifications, but not the rates of R foil identifications or know (K) judgments in the absence of recollection (i.e., K/[1 − R]). Both RK judgments and recollection ratings (a novel measure of graded recollection) distinguished correct from incorrect positive identifications. However, only recollection ratings improved accuracy evaluation after identification confidence was taken into account. These results provide evidence that RK judgments for identification decisions function in a similar way as for recognition decisions; are consistent with the notion of graded recollection; and indicate that measures of phenomenology can enhance the evaluation of identification accuracy. 相似文献
36.
The aim of this study was to compare the learning process of a highly complex ballet skill following demonstrations of point-light and video models. 16 participants divided into point-light and video groups (ns = 8) performed 160 trials of a pirouette, equally distributed in blocks of 20 trials, alternating periods of demonstration and practice, with a retention test a day later. Measures of head and trunk oscillation, coordination disparity from the model, and movement time difference showed similarities between video and point-light groups; ballet experts' evaluations indicated superiority of performance in the video over the point-light group. Results are discussed in terms of the task requirements of dissociation between head and trunk rotations, focusing on the hypothesis of sufficiency and higher relevance of information contained in biological motion models applied to learning of complex motor skills. 相似文献
37.
Extensionality and Restriction in Naive Set Theory 总被引:1,自引:0,他引:1
Zach Weber 《Studia Logica》2010,94(1):87-104
The naive set theory problem is to begin with a full comprehension axiom, and to find a logic strong enough to prove theorems,
but weak enough not to prove everything. This paper considers the sub-problem of expressing extensional identity and the subset
relation in paraconsistent, relevant solutions, in light of a recent proposal from Beall, Brady, Hazen, Priest and Restall
[4]. The main result is that the proposal, in the context of an independently motivated formalization of naive set theory,
leads to triviality. 相似文献
38.
This paper explores whether shame memories have a distinct impact on emotional difficulties and psychopathology that goes beyond their negative emotional valence. Study 1 (N=292) investigates the contribution of centrality of shame memory, in comparison to the centrality of fear and sadness memories, to explain the memory's traumatic impact, shame, depression, anxiety, stress, paranoid, and dissociative symptoms. Study 2 (N=192) explores the impact of shame traumatic memory on shame and depression, anxiety, and stress symptoms, in comparison to fear and sadness traumatic memories. Both studies used undergraduate student samples. Results show that shame memories' centrality and traumatic features made an independent contribution to current external and internal shame and distinct psychopathological symptoms, after controlling for the effect of fear and sadness, centrality, and traumatic qualities. Moreover, shame memories' centrality and traumatic features were the best global predictors of external and internal shame and depressive symptoms. Centrality of shame memories was also the only significant predictor of paranoid ideation and dissociation. These results offer novel perspectives on the nature of shame and its relation to psychopathology, emphasising the distinct role of shame memories in human functioning and suffering, which goes above and beyond its negative emotional valence. 相似文献
39.
Anne Smith Christopher A. Moore David H. McFarland Christine M. Weber 《Journal of motor behavior》2013,45(2):148-167
The role played by reflex pathways in the production of movement has been a significant issue for motor control theorists interested in a wide variety of motor behaviors. From studies of locomotion and chewing, it appears that gains in reflex pathways can be altered so that activity in these pathways does not produce destabilizing responses during movement. In speech production, recent experimental evidence has been interpreted to suggest that autogenetic lip reflexes (perioral reflexes) are suppressed during sustained phonation or speech production. The present study was conducted to assess the effects of phonation, direction of movement, and ongoing speech production on reflex responses of lip muscles. The present results suggest, in contrast to earlier work, that this reflex pathway is not suppressed during phonation or speech. However, the response may appear to be suppressed or absent because the amplitude of the observed response depends upon the activation levels of the various muscles of the lower lip and, therefore, indirectly on the nature of the gesture the subject is instructed to produce. 相似文献
40.
Marcela Slavikova 《Deviant behavior》2013,34(11):885-902
Results are presented from a survey of 89 women who sought and entered into a relationship with a man who was incarcerated. Demographic, clinical, and relationship characteristics revealed a diverse group of women with a moderate degree of childhood/family victimization and family member’s involvement with the legal system. Results from the Jesness Inventory-Revised, a measure of personality functioning, revealed two predominant personality subtypes among the women: the Manipulator/Pragmatist (31%) and the Neurotic, Anxious/Introspective (25%). The results are compared to existing traditional and nontraditional theories of mate selection and thoughts for a systematic program of research in this area are offered. 相似文献