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61.
Thewissen R Snijders SJ Havermans RC van den Hout M Jansen A 《Behaviour research and therapy》2006,44(10):1441-1449
The effects of cue exposure therapy are limited, because renewal after extinction is an important source of relapse. In this study, 33 smokers were exposed to a cue predicting smoking availability and a cue predicting smoking unavailability in one context (acquisition context A). Following extinction in another context (extinction context B), a test for renewal took place in the original acquisition context A (i.e. ABA renewal). Urge to smoke was measured using a Visual Analogue Scale. Renewal of differential conditioned urge responding occurred when participants were tested in the acquisition context, while differential urge responding remained extinguished when tested in the extinction context. This experiment provides evidence that ABA renewal occurred in smokers. Clinical implications are discussed. 相似文献
62.
Cognitive behavioural conceptualisations of grief propose that negative cognitions and avoidance strategies play a key role in emotional problems after bereavement. In the current study, this assumption was examined. Ninety-seven individuals who had lost a relative less than 5 months ago completed questionnaires tapping background and loss-related variables, negative cognitions (about the self, life, the future, and one's own grief reactions), avoidance, and symptoms of complicated grief (CG) and depression. Of these mourners, 70 people (72%) completed symptom measures again 6 months later at T2 (7-10 months after the loss), and 60 (62%) completed symptoms measures still 9 months later at T3 (16-19 months after the loss). Among other things, results showed that all four cognitive variables and the avoidance variable were strongly associated with concurrent and prospective symptom levels, even when the influence of relevant background/loss-related variables was controlled. In addition, independent of initial symptom levels, most of the cognitive variables predicted later CG and depression. The avoidance variable only predicted additional variance in depression at T3 beyond T1 symptom levels. Findings indicate that negative cognitions are important in emotional problems after bereavement and that the role of avoidance in the development of these problems needs further scrutiny. 相似文献
63.
The present study was conducted to test predictions derived from the hypothesis that depression may serve the purpose of adaptively facilitating disengagement from obsolete cognitive plans. Groups of students with either low or high depression scores were contrasted using a procedure that featured an initial learning phase, within which participants learned to perform a task, followed by a relearning phase within which they needed to disengage from initial learning in order to relearn to perform an altered task. It was assumed that performance in the relearning phase would be affected by the degree to which participants could readily disengage from their initial learning. As predicted, participants in the high depression group, relative to those in the low depression group, demonstrated superior performance in the relearning phase alone. The theoretical and applied implications of this finding are discussed. 相似文献
64.
People differ in the way they regard justice. Although some people may be relatively unaffected by justice issues, many others regard justice as a very important concept and react to it accordingly. Prior research suggests that this sensitivity to justice is a stable personality trait. In three studies, we show that (compared to neutral events) experiencing just and unjust events (directed toward the self or others) can elevate state levels of justice sensitivity. We discuss the implications of these findings, including the notion how these results can lead to a better understanding of the justice judgment process. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
65.
Anxiety and depression frequently co-occur and may share similar deficits in the processing of emotional stimuli. High anxiety is associated with a failure in the acquisition and extinction of fear conditioning. Despite the supposed common deficits, no research has been conducted on fear acquisition and extinction in depression. The main aim of the present study was to investigate and compare fear acquisition and extinction in anxiety- and depression-prone participants. Non-clinical anxious, depressive, anxious-depressive and control participants performed a fear discrimination task. During acquisition, the CS+ predicted an aversive event (unconditioned stimulus, US) and the CS? safety (no US). During extinction, the CS+ was no longer followed by the US, rendering it (temporarily) into a safety signal. On each CS participants rated their US expectancy; skin conductance responses (SCRs) were measured throughout. The expectancy scores indicated that high anxiety resulted in less safety learning during acquisition and extinction; no effect of depression was observed. SCRs showed that high-anxiety persons displayed less discrimination learning (CS+ minus CS?) during acquisition than low-anxiety persons. During extinction, high-depression persons demonstrated more discriminative SCR than low-depression persons. The observed discrepancies in response patterns of high-anxiety and -depression persons seem to indicate distinctive information processing of emotional stimuli. 相似文献
66.
Rein De Cooman Dave Stynen Anja Van den Broeck Luc Sels Hans De Witte 《Journal of applied social psychology》2013,43(6):1342-1352
To explore the motivational potential of job design, we linked job demands and job resources, as defined in the job demands–resources model, to the motivational process defined in self‐determination theory. Specifically, we introduced basic need satisfaction and autonomous motivation as consecutive process variables mediating the relationship between job design and work effort. We tested this model by means of structural equation modeling in a sample of 689 employees. The comparison of several competing models provided support for the hypothesized model. We conclude that job demands thwart and job resources promote the fulfillment of 3 psychological needs. High levels of need satisfaction, in turn, are associated with autonomous motivation and, therefore, with high levels of effort. 相似文献
67.
Florien M. Cramwinckel Eric van Dijk Daan Scheepers Kees van den Bos 《Journal of experimental social psychology》2013,49(6):1049-1058
We investigated how people respond to moral threats and the consequences this has for one's moral self-concept. In two experiments, participants first tasted a sausage and were then confronted with a bogus participant who had refused to taste the sausage because of moral or non-moral reasons. People disliked the moral refuser more than the non-moral refuser. The self-threatening effect of having one's morals questioned was also reflected in specific patterns of cardiovascular responses and negatively affected participants' self-evaluations. We further show that the negative effects of a moral threat can be prevented by a simple intervention of physical cleansing: Participants who had cleansed their hands before being confronted with a moral refuser did not show the negative effects on self- and refuser evaluations. Importantly, the protective effects of physical cleansing were most pronounced for people with a strong moral identity. Taken together, these results underline the importance of one's self-concept when confronted with a moral refuser, and introduce an effective intervention to prevent these negative consequences. 相似文献
68.
C. C. A. M. Gielen K. van den Oosten F. Pull ter Gunne 《Journal of motor behavior》2013,45(4):421-442
Aimed flexion movements of the arm of different amplitude and duration were studied. Velocity and acceleration traces of movements with equal duration but different amplitude were equal, apart from a scaling factor (ratio between movement amplitudes). After appropriate scaling, EMG activity of the first agonist burst for these movements superimposed. This was not true for EMG activity in the antagonist muscle.For movements with equal amplitude, but different duration, the time to peak acceleration was constant for all MT’s. Except for this fact, traces of acceleration, velocity, and agonist activity following the time of peak acceleration were about equal after appropriate scaling in time and amplitude. The integral of EMG activity in the first agonist burst increased linearly with peak velocity. For the antagonist burst, the integrated EMG activity increased more than proportionally.During movements made as fast as possible, subjects used a different strategy by varying the duration of the accelerating phase for movements of different amplitude. Movement amplitude was achieved by adjusting the duration of the agonist burst and the onset time for the antagonist muscle. Amplitude of the antagonist burst was constant within a narrow range for movements of different amplitude.These results did not change when the inertial mass was doubled by loading the arm with an additional mass. 相似文献
69.
ABSTRACT. The authors’ aim was to investigate the speed-accuracy tradeoff in soccer kicking with the dominant and nondominant foot by using different types of instructions prioritizing speed or accuracy in experienced soccer players. Ten male soccer players were randomly given 1 of the 4 instructions that differed in aspects of the kick they should emphasize and what the secondary aim would be (speed or accuracy). It was found that ball velocity was affected by instruction in the expected way: emphasis on accuracy and ball velocity reduced for both kicking feet. In addition kicking accuracy increased when emphasizing this, but only with the dominant foot indicating that Fitts’ law only was found in kicks with the dominant foot. 相似文献
70.
The aim of this study is to determine the attitudes and behaviors of religious scholars regarding organ donation and transplantation. In this study, 540 officials working in the Department of Religious Affairs in Kayseri, Turkey, were included. Overall, 86.6% response rate (n = 468) was achieved. Although a majority of the officials of religion in this study stated that they believed in the importance of organ donation (90.8%), the rate of considering donation (57.9%) and the donation rate (1.1%) were found to be substantially low. There is a difference between the employment status and willingness to donate organs. The rate of willingness to donate was significantly high in men than women. And also was high in imams and preachers. Regarding the sources of information, the majority of the respondents (70.0%) cited mass media. Overall, 15.3% cited school education and 42.0% religious publications. The most common question (83.1%) that was asked was “whether or not organ donation was suitable for Muslim religious”. Our study revealed that although the research groups have positive ideas about organ donation and transplantation, their role was low in informing and motivating people about organ donation and transplantation. 相似文献