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The effects of goal-directed imitation and observational learning were examined whilst learning a goal-directed motor skill (three-ball cascade juggling). An observational learning (OL) group observed a model and a control (CON) group received minimal verbal instructions regarding how to hold and release the juggling balls. The OL group performed more juggling cycles across practice and retention than the CON group. In addition, the OL group's upper limb coordination and ball flight trajectory pattern were more similar to the model's movements than the CON group. These data show that when the to-be-learnt movement pattern and end-goal are not specified by the task's mechanical constraints, or can be achieved by modifying a pre-existing motor skill, individuals have difficulty learning on the basis of discovery processes alone. Under these circumstances, observational learning is effective because it conveys to the individual the specific means by which the end-goal can be achieved. These findings lead us to suggest that when the end-goal and the means to achieve the end-goal are directly linked, the means are given sufficient weight in the goal hierarchy such that the model's movement is imitated. 相似文献
904.
Marsha Aileen Hewitt 《Pastoral Psychology》2008,57(1-2):65-75
This paper takes a new look at Freud’s critique of religious beliefs and wishes from the perspective of current attachment theory, particularly with reference to Peter Fonagy. By reconceptualizing Freud’s critique, it can be argued that he anticipated some current empirical studies in religiosity and attachment, and that his critique accurately describes the religiosity of insecurely attached individuals. The paper argues that current social theories, especially as represented in the work of Jürgen Habermas, about religion and its role in politics and the public sphere could benefit from incorporating insights from attachment theory. 相似文献
905.
Numerical cognition encompasses the concepts of quantity ('how many?') and serial order ('which position?'). Yet, although numbers can convey different meanings, a recent imaging study by Fias and coworkers showed that ranking letters in the alphabet is subserved by a cortical network highly similar to that involved in judging magnitudes. In terms of neural processing, quantity and rank might just be two sides of the same coin. 相似文献
906.
In June 1994, the Lubavitch Rebbe, believed to be the Mosiach (the Messiah) died. Counter-intuitively, this failure of prophecy gave birth to an extreme messianic movement within the group, dividing it into two antagonistic factions (messianists and anti-messianists). This article examines the Beis Menachem, a messianic group whose members believe that the Rebbe is not dead; some even believe that he is God. We argue that this strong messianic response was predictable, given the influence of four factors that prior analyses suggest are important in determining whether a group will survive the failure of a significant prophecy: (1) the ways in which the prophetic milieu is prepared, (2) the nature and extent of the preparatory activities people engaged in, (3) the nature, speed, and thoroughness of the response of group leaders to a failed prophecy, and (4) the level of social support available for those who remain faithful to a prophecy. Emphasis in this study is given to the first and fourth factor; it is argued that the diachronic study of groups like the Lubavitch provides new insights into the ideological, organisational, and situational conditions that facilitate the successful management of dissonance and thus the persistence of unusual beliefs. 相似文献
907.
Are ants sensitive to the geometry of tunnel bifurcation? 总被引:1,自引:0,他引:1
The ability to orient and navigate in space is essential for all animals whose home range is organized around a central point. Because of their small home range compared to vertebrates, central place foraging insects such as ants have for a long time provided a choice model for the study of orientation mechanisms. In many ant species, the movement of individuals on their colony home range is achieved essentially collectively, on the chemical trails laid down by their nest mates. In the initial stage of food recruitment, these trails can cross each other and thus form a network of interconnected paths in which ants have to orient. Previous simulation studies have shown that ants can find the shortest path between their nest and a food source in such a network only if there is a bias in the branch they choose when they reach an asymmetrical bifurcation. In this paper, we studied the choice of ants when facing either a symmetrical or an asymmetrical bifurcation between two tunnels. Ants were tested either on their way to a food source or when coming back to their nest, and either in the presence or in the absence of a chemical trail. Overall, our results show that the choice of an ant at a tunnel bifurcation depends more on the presence/absence of a trail pheromone than on the geometry of the bifurcation itself. 相似文献
908.
Dipl.-Psych. Michael Simon David Althaus Gisela Röper Willi Butollo Walter Hauke Michael Zaudig 《Psychotherapeut》2004,49(1):46-50
The results of a 1-year-follow-up study concerning the treatment of 30 in-patients suffering from obsessive-compulsive disorder (OCD) are presented. This prospective study was carried out at the Psychosomatic Hospital Windach. Beside a multimodal setting the central treatment component was flooding and response prevention. Group analysis showed significant improvements in all measures (BDI, STAI-X1, Y-BOCS and self-ratings). The results of the follow-up indicate, that more than 70% of the patients maintained their positive treatment response over 1 year (symptom improvement >30%). The average reduction of symptoms was 42%. Average treatment duration was 12 weeks. A high initial depression score (BDI >18) predicted a worse outcome. 相似文献
909.
Welfare and the Achievement of Goals 总被引:1,自引:1,他引:0
Simon Keller 《Philosophical Studies》2004,121(1):27-41
I defend the view that an individual's welfareis in one respect enhanced by the achievementof her goals, even when her goals are crazy,self-destructive, irrational or immoral. This``Unrestricted View' departs from familiartheories which take welfare to involve only theachievement of rational aims, or of goals whoseobjects are genuinely valuable, or of goalsthat are not grounded in bad reasons. I beginwith a series of examples, intended to showthat some of our intuitive judgments aboutwelfare incorporate distinctions that only theUnrestricted View can support. Then, I show howthe view can be incorporated into a broadertheory of welfare in ways that do not produceimplausible consequences. This in hand, Ifinish by providing a more philosophicalstatement of the Unrestricted View and the casein its favor, and respond to some objections. 相似文献
910.
The Newcomb problem is analysed here as a type ofcommon cause problem. Inrelation to such problems, if you take the dominatedoption your expected outcomewill be good and if you take the dominant optionyour expected outcome will be notso good. As is explained, however, these arenot conventional conditional expectedoutcomes but `conditional evidence expectedoutcomes' and while in the deliberationprocess, the evidence on which they are based isonly hypothetical evidence.Conventional conditional expected outcomes aremore sensitive to your currentepistemic state in that they are based purely onactual evidence which is available toyou during the deliberation process. So althoughthey are conditional on a certain actbeing performed, they are not based on evidencethat you would have only if that actis performed. Moreover, for any given epistemicstate during the deliberationprocess, your conventional conditional expectedoutcome for the dominant option willbe better than that for the dominated option. Theprinciple of dominance is thus inperfect harmony with the conventional conditionalexpected outcomes. In relation tothe Newcomb problem then, the evidence unequivocallysupports two-boxing as therational option. Yet what is advanced here isnot simply a two-boxing strategy. Tosee why, two stages to the problem need to berecognised. The first stage is thatwhich occurs before the information used by thepredictor in making his predictionshas been gained. The second stage is after thispoint. Provided that you are still inthe first stage, you have an opportunity toinfluence whether or not the predictorplaces the $1m in the opaque box. To maximisethe probability that it is, you need tocommit yourself to one-boxing. 相似文献