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431.
Background and Objectives: Current cognitive-behavioral theorists conceptualize hypochondriasis as excessive health anxiety (HA). Growing evidence suggests that elevated HA is associated with attentional bias (AB) toward potential health-threat information. Design: This study aimed to examine the effects of attention retraining among individuals with elevated HA, using the established attention modification programs (AMP) designed to train participants to disengage attention from ideographically chosen health-threat words. Methods: Thirty-six randomly assigned individuals with elevated HA completed eight twice-weekly sessions of the AMP (n = 18) or the attention control condition (ACC; n = 18). Results: Despite using the well-established AMP protocol widely used within the field of anxiety disorders, we did not find evidence for change in AB following training. Further, AMP did not outperform ACC in reducing HA and other relevant emotional symptoms. However, both AMP and ACC evidenced overall significant symptom reduction in most of the outcome measures, including overall HA, anxiety sensitivity, general depression and anxiety, and somatic complaints. Conclusions: Further research is needed to better understand the effects and mechanisms of AMP as a possible cognitive intervention for HA.  相似文献   
432.
Examining some recent publications on Afro‐Cuban religions in the US, this essay argues that some of the evident shortcomings of the literature on this subject may hold important epistemological and methodological lessons for the anthropology of religion in general. These concern the pervasive lack of critical attention to the criteria by which formations of religious knowledge and practice are constituted as objects of study; a failure to acknowledge the historical interaction between theoretical models and public demand structures for authenticated cultural difference; the tendency to treat the relation between observer‐ and insider‐discourses as unproblematic and transparent; and a similarly widespread trend towards over‐systematising and homogenising internally heterogeneous and unbounded aggregates of knowledge and practice. What is suggested instead is an ethnographically informed and actor‐centred sociology of knowledge focussed on mutually articulated universes of meaning, and capable of transcending artificial conceptual boundaries between ‘the religious’ and the sphere of ‘everyday life’.  相似文献   
433.
The reported experiment tested the effect of abrupt and unpredictable viewpoint changes on the attentional tracking of multiple objects in dynamic 3-D scenes. Observers tracked targets that moved independently among identically looking distractors on a rectangular floor plane. The tracking interval was 11 s. Abrupt rotational viewpoint changes of 10°, 20°, or 30° occurred after 8 s. Accuracy of tracking targets across a 10° viewpoint change was comparable to accuracy in a continuous control condition, whereas viewpoint changes of 20° and 30° impaired tracking performance considerably. This result suggests that tracking is mainly dependant on a low-level process whose performance is saved against small disturbances by the visual system's ability to compensate for small changes of retinocentric coordinates. Tracking across large viewpoint changes succeeds only if allocentric coordinates are remembered to relocate targets after displacements.  相似文献   
434.
Prominent theories of action recognition suggest that during the recognition of actions the physical patterns of the action is associated with only one action interpretation (e.g., a person waving his arm is recognized as waving). In contrast to this view, studies examining the visual categorization of objects show that objects are recognized in multiple ways (e.g., a VW Beetle can be recognized as a car or a beetle) and that categorization performance is based on the visual and motor movement similarity between objects. Here, we studied whether we find evidence for multiple levels of categorization for social interactions (physical interactions with another person, e.g., handshakes). To do so, we compared visual categorization of objects and social interactions (Experiments 1 and 2) in a grouping task and assessed the usefulness of motor and visual cues (Experiments 3, 4, and 5) for object and social interaction categorization. Additionally, we measured recognition performance associated with recognizing objects and social interactions at different categorization levels (Experiment 6). We found that basic level object categories were associated with a clear recognition advantage compared to subordinate recognition but basic level social interaction categories provided only a little recognition advantage. Moreover, basic level object categories were more strongly associated with similar visual and motor cues than basic level social interaction categories. The results suggest that cognitive categories underlying the recognition of objects and social interactions are associated with different performances. These results are in line with the idea that the same action can be associated with several action interpretations (e.g., a person waving his arm can be recognized as waving or greeting).  相似文献   
435.
The present study examines mechanisms underlying career planning among athletes in the context of sport career termination. The contribution of conscientiousness to athletes' career planning was investigated among 180 active athletes (88 females, 92 males; Mage = 20.36) by applying the social cognitive career theory (SCCT). Bootstrap analyses, performed at both broad and facet-level, revealed that conscientious individuals are more likely to plan for their future career because they set higher goals and are more confident in their capacity to plan their future career. Implications for practice are discussed in relation to intervention that could induce career planning among athletes.  相似文献   
436.
Past studies have found that risk perceptions of suffering from diseases play an important role in the development of intentions to perform physical activity (PA). According to the behaviour motivation hypothesis, perceived risk could be positively and directly related to PA, but this possibility has been ignored and/or underestimated. Accounting for recent methodological developments on the importance of study design and risk perception assessment, the purpose of the present study was to examine the risk-perceptions–PA relationship among older adults. Participants (N?=?143) aged from 61 to 70 years initially underwent measurement of risk perceptions, baseline PA, socio-demographic and health factors. Six months later, they were asked about their PA participation. Multiple regression analyses revealed that perceived risk of suffering from diseases and conditions without regular PA participation was an independent positive predictor of later PA, over and beyond baseline behaviour, socio-demographic and health variables. This study fills a gap in the existing literature on the PAs of older adults and reveals that risk perceptions are directly linked to their participation. In addition, it extends existing knowledge in health psychology on the behaviour motivation hypothesis, and emphasises the necessity of methodological adjustments when assessing the risk-perception–behaviour relationship.  相似文献   
437.
Two experiments examined the effects of independent variations in kinetic and kinematic requirements on interlimb coupling during a bimanual task. The goal of the investigation was to provide preliminary evidence regarding one general class of physical variables that constrains discrete bimanual movements. Subjects attempted to execute a smooth unidirectional movement with the left arm, along with a three-segment reversal movement with the right arm. The first experiment manipulated the torque required to produce the reversal action, while movement duration and average angular velocity were held constant for both limbs. Several indications of increased interlimb coupling, due to the kinetic variation, were evident. The converse manipulation was used in the second experiment, with movement time and kinematics (velocity, acceleration) changed independently of joint torque requirements for the reversal limb. No clear effect of kinematics on coupling strength was noted. The results suggest that one variable influencing interlimb attraction toward common spatiotemporal trajectories may be kinetic in nature.  相似文献   
438.
439.
Multiple Family Therapy (MFT) has gained increasing popularity in the treatment of eating disorders and many programs have been developed over the past decade. Still, there is little evidence in the literature on the effectiveness on MFT for treating eating disorders. The present study examines the effects of a particular model of Multiple Family Therapy on eating disorder symptoms, quality of life, and percentage of Expected Body Weight (%EBW) in adolescents with eating disorders (ED). Eighty‐two adolescents with ED, aged between 11 and 19 years, were assessed before and after treatment using the Eating Disorders Inventory 2 (EDI‐2), the Outcome Questionnaire 45 (OQ‐45) and %EBW. Results showed a significant increase in %EBW between the beginning and end of treatment, with a large effect size. 52.4% of patients achieved an EBW above 85%. Symptoms relative to all EDI dimensions (except for bulimia) significantly decreased during treatment. The three dimensions related to quality of life assessment also improved over the course of MFT. At the end of treatment, 70.7% of patients had a total OQ‐45 score below clinical significance. This study suggests that Multiple Family Therapy may benefit adolescents with eating disorders, with improvement on several outcome measures (%EBW, ED symptoms, and quality of life). However, the lack of a comparison group entails caution when drawing conclusions.  相似文献   
440.
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