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841.
Hostility and facial affect recognition: effects of a cold pressor stressor on accuracy and cardiovascular reactivity 总被引:2,自引:0,他引:2
The effects of hostility and a cold pressor stressor on the accuracy of facial affect perception were examined in the present experiment. A mechanism whereby physiological arousal level is mediated by systems which also mediate accuracy of an individual’s interpretation of affective cues is described. Right-handed participants were classified as high hostile (N=28) or low hostile (N=28) using the Cook Medley Hostility Scale. The high-hostile group met joint selection criteria. Only high-hostile participants who showed cardiovascular reactivity to the cold pressor, with systolic BP change exceeding the group mean were included. Groups were further subdivided into cold pressor and non-cold pressor test conditions. It was predicted that high-hostile men, relative to low-hostile men, would show decreased perceptual accuracy when presented with happy, angry, and neutral facial configurations within the left visual field (LVF). Results indicated that high-hostile men were less accurate than low-hostile men in the LVF. Further, pre-stress accuracy scores in the high-hostile men were similar to the post-stress accuracy scores of the low-hostile men. The lateralization of affective function and the role of physiological arousal in affective facial perception are discussed. 相似文献
842.
Whether recall of studied words (e.g., parsley, rosemary, thyme) could reduce false recognition of related lures (e.g., basil) was investigated. Subjects studied words from several categories for a final recognition memory test. Half of the subjects were given standard test instructions, and half were instructed to use recall to reduce false recognition. Manipulation checks indicated that the latter instructions did elicit a recall-to-reject strategy. However, false recognition was selectively reduced only when all the words from a category could be recalled (Experiment 1). When longer categories were used, thereby minimizing exhaustive recall, a recall-to-reject strategy was ineffective at reducing false recognition (Experiment 2). It is suggested that exhaustively recalling a category allowed subjects to disqualify the lure as having occurred, analogous to recall-to-reject demonstrations in other tasks. In contrast, partially recalling a category did not help to diagnose the lure as nonstudied. These findings constrain theories of recall-based monitoring processes. 相似文献
843.
Intentional control and implicit sequence learning 总被引:8,自引:0,他引:8
Wilkinson L Shanks DR 《Journal of experimental psychology. Learning, memory, and cognition》2004,30(2):354-369
Sequence knowledge acquired by repeated exposure to targets in a speeded localization task was studied in 3 experiments that sought to test A. Destrebecqz and A. Cleeremans's (2001, 2003) claim that, under certain circumstances, the expression of such sequence knowledge cannot be brought under intentional control. In Experiment 1 participants were trained on either a deterministic or a probabilistic sequence and then performed a free-generation test under either inclusion or exclusion instructions. Participants were found to be capable of both expressing (inclusion) and avoiding expressing (exclusion) sequence knowledge. These results were confirmed in Experiment 2 with a more exact replication of Destrebecqz and Cleeremans's methodology. In Experiment 3 participants performed a trial-by-trial generation test under both inclusion and exclusion conditions after a much longer period of training. All the findings are consistent with the proposal that information acquired during sequence learning is explicit in nature. 相似文献
844.
Intraindividual variability (inconsistency) in reaction time (RT) latencies was investigated in a group of younger (M=25.46 years) and older (M=69.29 years) men. Both groups performed 300 trials in 2-, 4-, and 8-choice RT conditions where RTs for decision and motor components of the task were recorded separately. A dissociation was evident in that inconsistency was greater in older adults for decision RTs when task demands relating to the number of choices and fatigue arising from time-on-task were high. For younger persons, a weak trend toward greater inconsistency in motor RTs was evident. The results are consistent with accounts suggesting that inconsistency in neurobiological mechanisms increases with age, and that attentional lapses or fluctuations in executive control contribute to RT inconsistency. 相似文献
845.
David?A.?WashburnEmail author Michael?J.?Rulon Jonathan?P.?Gulledge 《Behavior research methods》2004,36(2):173-179
Many exciting findings have been reported in the 15 years since monkeys were first demonstrated to have the capacity to perform
computerized tasks. The present data indicate that albino rats can also learn to respond to computer-generated stimuli by
manipulating a joystick. Although the rat’s control of the cursor is not as skillful as has been reported for primate species,
it is clearly better than chance and suggests the great potential for comparative investigation afforded by use of the computer
test system. 相似文献
846.
This article reports the development of a protocol for the therapeutic application of "attention control" for chronic pain. Attention control is the limitation of the impact of pain by switching or retunning attention. An expert systems approach was used to develop the protocol. In the first stage an extensive literature search retrieved published and unpublished accounts of attention control strategies and a draft treatment manual was prepared. In the second stage 6 experts were recruited and they independently read and reviewed the draft manual. They were interviewed using a semi-structured protocol to elicit their views on the draft manual. The manual was then revised to accommodate the information and expertise. In addition to providing expert opinion on the manual the experts also raised issues about the process of change in psychological treatment for chronic pain. These issues were organized into a process model of change in chronic pain. 相似文献
847.
This study employs a release of proactive interference technique to explore encoding-related processes in social phobia. Twenty-six individuals with social phobia and 24 individuals with panic disorder participated in the memory task. Significant release of proactive interference was found when neutral and threat dimensions were encoded, but not when social and physical threat dimensions, or when positive and threat dimensions were presented. Threat was therefore differently encoded depending on the active encoding context in which semantic processing occurred. Individuals with social phobia or panic disorder did not differ in the release of proactive interference. The present experiment consequently yields little support for the specificity hypothesis in memory of anxious individuals. Instead, the findings generally demonstrate that threat encoding is similar for people with social phobia and those with panic disorder. 相似文献
848.
Six hundred Israeli students responded to a questionnaire dealing with five motives for participating in vandalism: anger/frustration, boredom, erosion, aesthetics, and catharsis (Cohen, 1984). As we did not find a coherent pattern, we created a variable comprising all five motives: general motivation. Four factors accounted for motivation to participate in destructive behavior: perceived level of vandalism at school, attitude toward school, attitude toward teacher, and school anxiety. Punishment, father's level of education, sense of hope, and class level did not have an effect on motivation to participate in vandalism. It was concluded that the social context is a crucial element in school vandalism. 相似文献
849.
Beutel ME Stern E Silbersweig DA 《Journal of the American Psychoanalytic Association》2003,51(3):773-801
Current progress in the cognitive neurosciences is highly relevant to the development of psychoanalytic theory and practice. Neuroscience is today becoming mature enough to provide empirical biological approaches for the investigation of psychoanalytic models and observations. The current state of functional neuroimaging techniques is reviewed, selected paradigms and findings relevant to psychotherapy research are presented, and ways to pursue the dialogue between psychoanalysts and neuroscientists are discussed, as are some related obstacles and pitfalls. The emerging dialogue between psychoanalysts and neuroscientists may help not only to reestablish a solid position of psychodynamic theory and treatment in contemporary medicine, but also to bridge the division between "psychological" and "somatic" treatments, and gain important insights into the mind-brain relationship. 相似文献
850.
This special section on international perspectives in psychology focuses on population issues and reproductive behavior across national and cultural boundaries, emphasizing the responsibility of psychologists and colleagues in related disciplines to generate and communicate culturally mindful findings likely to shape public health policy and improve human well-being. After considering the historical and policy context, it highlights internationally collaborative research projects in the Czech Republic, Egypt, Mexico, and the United States that address reproductive behavior, women's roles and status, responsible parenthood, and abortion legislation in terms of cultural context, gender equity, the needs of adolescents, and public health policy. The articles illustrate the importance of the cultural context within which psychological research is conducted and how psychology can be informed by international perspectives. 相似文献