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We used repetition blindness (RB) as a measure of object recognition and compared the pattern of RB obtained for objects with a well-established upright orientation (mono-oriented objects) and those without a usual upright orientation (polyoriented objects), when the critical objects were either in identical orientations or differed by 30 degrees, 60 degrees, 90 degrees, or 180 degrees. Overall, we found robust RB despite differences in orientation, consistent with the idea that object recognition, as indexed by RB, is largely independent of orientation. However, whereas for polyoriented objects RB was obtained in all orientation conditions, for mono-oriented objects there was no RB between upright and upside-down versions of the stimuli. These findings suggest that the usual orientation of an object-when it exists-is stored in memory and can facilitate orientation processing when the principal axis of a viewed object is aligned with the stored axis orientation. This, in turn, allows for more rapid and successful construction of distinct episodic representations of an object, thus alleviating RB.  相似文献   

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The paper provides a critical commentary on the article by Baker and McCullough on Medical Ethic's Appropriation of Moral Philosophy. The author argues that Baker and McCullough offer a more "pragmatic" approach to the history of medical ethics that has the potential to enrich the bioethics field with a greater historical grounding and sound methodology. Their approach can help us to come to a more nuanced understanding about the way in which medical ethics has connected, disconnected, and reconnected with philosophical ideas throughout the centuries. The author points out that Baker and McCullough's model can run the danger of overemphasizing the role of medical ethicists whilst marginalizing the influence of philosophers and of other historical actors and forces. He critically reviews the two case studies on which Baker and McCullough focus and concludes that scholars need to bear in mind the levels of uncertainty and ambivalence that accompany the process of transformation and dissemination of moral values in medicine and medical practice.  相似文献   

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In this paper I put forward a hypothesis on a particular psycho-sexual determinant of anorexia nervosa in adolescent girls. I begin with an overview of existing literature which examines anorexia from psychiatric, demographic, medical, historical and psychoanalytic viewpoints. Drawing on the theories of Freud, Klein, Winnicott and Bion, and building on previous thinking, I posit a specific disturbance in the psychic development of the adolescent girl. I suggest that this amounts to her rebellion against the psychic onset of her future maternal capacities for reverie and containment. I link this disturbance to a pathological mother-daughter relationship and illustrate my hypothesis with a clinical account of intensive, long-term work with an adolescent girl. The high motivation and vivid dream material of this patient make for a particularly rewarding study.  相似文献   

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Nevin's scholarly and timely discussion attempts to maintain the precarious union of the experimentally derived theory of behavioral momentum with applications of the behavioral momentum construct to human subjects in applied settings. Nevin's discussion adds much-needed clarification to a process that at times has proven to be awkward for applied researchers. In this commentary, we will address three general questions: (a) Can the applications of behavioral momentum be derived from the theory as conceptualized by Nevin? (b) Could those applications have been developed had the theory not been formulated? (c) Does behavioral momentum theory add significantly to the compliance literature?  相似文献   

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After reviewing some classic contributions to the truly social social–psychological literature (Lewin, Horney, Festinger), this commentary outlines how and why Kelley's analysis extends and complements more traditional approaches to interdependence. Three strengths are emphasized, suggesting that Kelley's analysis (a) offers a much-needed situation-based taxonomy for different social orientations and interpersonal phenomena, (b) serves the ecological validity of social orientations, and (c) potentially helps us understand why classical dimensions of person judgment include not only goodness versus badness, but also movement-related orientations such as dominance versus submission, strength versus weakness, or activity versus passivity. Kelley's analysis can be extended by developing further domain-specific theory and methodology for examining the temporal and sequential aspects of social orientations, and by applying a means–end analysis to differing social orientations identified in Kelley's analysis. Finally, following Chuck McClintock (1972), it is argued that the field should reserve the concept of social value orientation to define allocational preferences relevant to valuing outcomes for self and others. This basic orientation should meaningfully ‘drive’ the ways in which we approach interdependent others, solve interdependence problems, and utilize interdependence opportunities. © 1997 John Wiley & Sons, Ltd.  相似文献   

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This paper discusses how thinking about a playroom involves our thinking about the setting in psychoanalytical work with children in general - the physical as well as the human aspects - and how this encourages us to rethink some of the basic aims in psychoanalytic work. The paper describes the importance of the setting being such as to help the therapist to have the freedom to think and to feel what is going on in the child and himself. Links are then made with aspects of transference and counter-transference, and brief examples given.  相似文献   

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Life provides an endless stream of social comparison information. Because opportunities to compare with others are so abundant, social comparison theory traditionally assumes that people are selective in their comparison activities and primarily compare with deliberately selected standards. Recent research, however, demonstrates that social comparisons often occur spontaneously, even if no standard is explicitly provided or deliberately selected. We examined whether comparisons are so spontaneous that they are even engaged if people are fleetingly exposed to a potential standard—so fleetingly that they remain unaware of the standard. In three studies, participants were subliminally primed with moderate versus extreme, high versus low standards during self-evaluation. Results demonstrate that self-evaluations are influenced by subliminally presented standards. Specifically, self-evaluations are assimilated towards moderate standards and contrasted away from extreme standards. These self-evaluative consequences of subliminal standards, however, were only obtained if participants engaged in self-reflection during standard exposure. These findings emphasize that social comparisons are truly ubiquitous processes that are engaged even for fleeting exposure to standard information.  相似文献   

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The popular novel and movie The Horse Whisperer are based on the work of several real-life horse whisperers, the most famous of whom is Monty Roberts. Over the last 50 years, Roberts has developed a technique for training horses that is both more effective and less aversive than traditional training techniques. An analysis of Roberts' methods (as described in his book, The Man Who Listens to Horses) indicates a deep understanding of behavioral principles including positive reinforcement, timeout, species-specific defense reactions, “learned helplessness,” and the behavioral analysis of language. Roberts developed his theory and techniques on the basis of personal experience and folk wisdom, and not as the result of formal training in behavior analysis. Behavior analysts can clearly learn from such insightful yet “behaviorally incorrect” practitioners, just as such practitioners can benefit from the objective science of behavior analysts.  相似文献   

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This article addresses the contingency-space analysis (Matthews, Shimoff, & Catania, 1987) of the verbal regulation of behavior. From an applied perspective, the conceptualization of the relationship between saying and doing Matthews et al. present may be more complex than is necessary. The central issue in correspondence investigations is a simple one: does correspondence between what people say and what they do occur? The focus of this paper is on the applied and clinical importance of the relationship between verbalizations and relevant behavior and the implications for future research.  相似文献   

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Procurement of organs from non-heart-beating cadaver donors raises concerns. Standards for optimal patient care during withdrawal of life-sustaining therapy are evolving and continue to be debated and studied. Consensus on specific procedures and methods has not been attained, however, and protocols for the procurement of organs from patients following the withdrawal of life-sustaining therapies may compromise the evolving standards and harm the patient and the attendant family. In addition, there is little evidence to suggest that such protocols will significantly increase the number of organs procured. "Non-heart-beating cadaver" protocols that do not give comprehensive attention to optimal patient/family care at the time of withdrawal of life-sustaining therapy ought not to be endorsed.  相似文献   

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