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41.
Two groups of subjects were given pairings of a slide of a triangle (CS1) with an aversive loud noise (US). After first-order conditioning a different figure (CS2+) was paired with CS1, whilst a third figure acted as a non-paired control (CS20). Conditioned second-order skin conductance responses (SCRs) were established to CS2+ for all subjects who had undergone first-order conditioning. Following second-order conditioning, SCRs to CS1 were extinguished and CS2+ was subsequently tested for retention of its SCR evoking properties. For the group of subjects who believed they had an avoidance response available during the second-order conditioning phase, CR2 failed to survive extinction of CR1. However, for the group of subjects who had no perceived control over US presentation, extinction of cr1 did not eliminate CR2. This latter finding is consistent with associative analyses of second-order conditioning in animals and has clinical implications for the treatment of fear-related problems. 相似文献
42.
Two experiments are reported which examined the influence of context on face recognition accuracy for novel and familiar faces
respectively. Context was manipulated by varying the physical background against which the faces appeared. In Experiment I,
80 student subjects observed 18 faces before attempting to recognize them in a sequence of 36 alternatives. For half the subjects,
the backgrounds changed from study to test, while for the remainder they stayed the same. In addition, for half the subjects,
both the pose and expression of the face also changed, while for the others it remained constant. Changes in pose plus expression
and context significantly reduced recognition accuracy for the target faces. Experiment II used an identical design, except
that the faces of celebrities replaced the novel faces. The influence of context was eliminated but the effects of pose and
expression were maintained. However, when only faces which were actually identified by subjects were considered, the effects
of pose and expression, too, were eliminated. The significance of these findings for theories of contextual memory are discussed. 相似文献
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Graham J. McAleer 《Modern Theology》2002,18(3):395-405
The stated goal of Donna Haraway's "Cyborg feminism" is to liberate sensuality from violence. In examining her book alongside that of Jesuit Toletus it becomes clear that both argue that sensuality is a place of metaphysical violence. The first two sections of the essay demonstrate this, and, in addition that Toletus' commentary on Aquinas is hardly accurate. This fact will help justify the claim that the Jesuit tradition includes a rather particular theory of sensuality, the origin of which is perhaps Giles of Rome. A third section shows how the Jesuit Gaston Fessard rediscovered Aquinas' own theory of sensuality through a thoroughgoing critique of Hegelian and Marxist dialectic. The essay concludes that Haraway would do well to adopt Aquinas' non-violent theory of sensuality as her own. 相似文献
46.
Science and Engineering Ethics - Prior to their announcement of the birth of gene-edited twins in China, Dr. He Jiankui and colleagues published a set of draft ethical principles for discussing the... 相似文献
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Volume Contents
Volume Contents 相似文献49.
Configural processing is important for face recognition, but its role in other types of face processing is unclear. In the present study, participants made judgments of head tilt for faces in which the vertical position of the internal facial region was varied. We found a highly reliable relationship between inner-face position and perceived head tilt. We also found that changes in inner-face position affected the perceived dimensions of an individual unchanged facial feature: compared to control faces, nearly two-thirds of faces in which the features had been moved down were judged to have a longer nose. This finding suggests an early integration of configural and featural processing to create a stable holistic percept of the face. The demonstration of holistic processing at a basic perceptual level (as opposed to during face recognition) is important as it constrains possible models of the relationships between featural and configural processing. 相似文献
50.
With a sample of 1,630 sixth-grade students from 77 classrooms, the authors used hierarchical linear modeling to examine how ethnicity within context and classroom social disorder influenced the association between peer victimization and social-psychological adjustment (loneliness and social anxiety). Victimized students in classrooms where many classmates shared their ethnicity reported feeling the most loneliness and social anxiety. Additionally, classroom-level social disorder served as a moderator such that the association between victimization and anxiety was stronger in classrooms with low social disorder. Both findings were interpreted as evidence that problem behavior deviating from what is perceived as normative in a particular context heightens maladjustment. The authors discuss implications for studying ethnicity and classroom behavioral norms as context variables in peer relations. 相似文献