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251.
Alex H. McIntyre Peter J. B. Hancock Josef Kittler Stephen R. H. Langton 《Applied cognitive psychology》2013,27(6):725-734
Identification of faces from photographs is a common security measure, but matching unfamiliar faces produces high rates of error. Caricatures of familiar people are highly identifiable because they exaggerate distinctive features. We investigated whether exaggerating unfamiliar faces through caricaturing could also improve face‐matching accuracy. In Experiment 1, face‐matching arrays were caricatured relative to an average by 30%, 50% and 70%. Correct rejection of the target‐absent arrays was improved at all levels. Accurate matches increased at 30%, but at 70%, the transformation was too extreme, and all of the arrays were more likely to be rejected. In Experiment 2, photographic identification (ID) images were caricatured by 30% and 50% and matched to life‐size photographs. Rejection of foils improved, but the ID of matching images was impaired. Modest levels of caricature may improve discrimination in unfamiliar face matching, but at stronger levels, a conservative response bias may inhibit accurate ID. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
252.
Alex S. Cohen Annie St-Hilaire Jennifer M. Aakre Nancy M. Docherty 《Cognition & emotion》2013,27(3):569-586
Anhedonia is a negative prognostic indicator in schizophrenia. However, the underlying nature of this emotional deficit is unclear. Laboratory studies examining patients’ emotional reactions under controlled circumstances have failed to find evidence for a diminished hedonic response, instead finding that patients’ reactions to laboratory stimuli are characterised by high levels of negative emotion. The present study employed lexical analysis of natural speech in 52 patients and 49 non-patient controls while they discussed separate neutral, pleasant and unpleasant autobiographical memories. Patients with clinically rated anhedonia, versus other patients and controls, showed a dramatic increase in negative emotion expression when discussing pleasurable memories, but they showed no corresponding decrease in positive emotion. These findings provide further evidence that “anhedonia” is more reflective of negative emotional states than the absence of positive ones. These findings also raise questions about how positive and negative emotions can be simultaneously co-activated in patients with schizophrenia. 相似文献
253.
Episodic experience is argued to be rich in temporal information, but it remains unclear whether temporal information is directly coded in the event memory or is reconstructed at retrieval. The two experiments reported here emphasise the role of reconstructive processes of autobiographical context in establishing the date of memories. Younger and older participants were presented with famous public events, although only the latter had actually lived through them. Participants were asked to make forced-choice judgements about the date of the event and other event-related facts. Overall, while the older group showed better fact knowledge of the events, this did not translate into better dating performance. This older group showed similar dating performance across events with high and low factual knowledge. In contrast, the younger group's dating accuracy was determined by their level of knowledge. This suggests that older individuals who have direct episodic experience of an event may perform the task in a qualitatively different manner, eschewing semantic facts in favour of other sources of information. Crucially, this process does not appear to enhance performance. A second experiment addressed the issue of whether older participants date events based on general qualities of the event memory (e.g., vividness), the availability of other event-related semantic facts, or autobiographical context. It was found that the ability to place an event in autobiographical context is related to dating accuracy, but not to other aspects of memory. 相似文献
254.
Alex Broadbent 《International Journal of Philosophical Studies》2013,21(2):169-189
The counterfactual analysis of causation has focused on one particular counterfactual conditional, taking as its starting‐point the suggestion that C causes E iff (~C □→ ~E). In this paper, some consequences are explored of reversing this counterfactual, and developing an account starting with the idea that C causes E iff (~E □→ ~C). This suggestion is discussed in relation to the problem of pre‐emption. It is found that the ‘reversed’ counterfactual analysis can handle even the most difficult cases of pre‐emption with only minimal complications. The paper closes with a discussion of the wider philosophical implications of developing a reversed counterfactual analysis, especially concerning the differentiation of causes from causal conditions, causation by absences, and the extent to which causes suffice for their effects. 相似文献
255.
If identities are socially produced, what happens when individuals grow up participating in divergent or conflicting social contexts? This article reports on research with second-generation Turkish adolescents in London. Using the concept of the dialogical self, the research examines the dialogical structure of these young Turks’ selves. The analysis is Bakhtinian and seeks to identify the different discourses through which these young Turks talk about themselves. Three distinct discourses, or I-positions, are identified. These are then related to the sociocultural context within which these youth live, and specific attention is given to the constraints on these youth in expressing aspects of their identity. We demonstrate that the asymmetries and tensions within these adolescents’ dialogical selves are adaptive to the fractured and asymmetrical social contexts in which they are embedded. 相似文献
256.
Context effects have been shown to bias lay people's evaluations of the severity of crimes and punishments. To investigate the cognitive mechanisms behind these effects, we develop and apply a rank-based social norms approach to judgments of perceived crime seriousness and sentence appropriateness. In Study 1, we find that (a) people believe on average that 84% of people illegally download software more than they do themselves and (b) their judged severity of, and concern about, their own illegal software downloading is predicted not by its amount but by how this amount is believed (typically inaccurately) to rank within a social comparison distribution. Studies 2 and 3 find that the judged appropriateness of a given sentence length is highly dependent on the length of other sentences available in the decision-making context: The same objective sentence was judged as approximately four times stricter when it was the second longest sentence being considered than when it was the fifth longest. It is concluded that the same mechanisms that are used to judge the magnitude of psychophysical stimuli bias judgments about legal matters. 相似文献
257.
Alex Gregory 《Australasian journal of philosophy》2013,91(2):287-303
This paper presents a new objection to the buck-passing account of value. I distinguish the buck-passing account of predicative value from the buck-passing account of attributive value. According to the latter, facts about attributive value reduce to facts about reasons and their weights. But since facts about reasons’ weights are themselves facts about attributive value, this account presupposes what it is supposed to explain. As part of this argument, I also argue against Mark Schroeder's recent account of the weights of reasons, which purports to explain the weights of reasons in terms of further reasons without circularity. I then argue that if we abandon the buck-passing account of attributive value, it would be ad hoc and unjustifiable to continue to endorse the buck-passing account of predicative value. In short, there seems to be little hope for the buck-passing account in either form. The paper ends by sketching a novel alternative theory according to which reasons are analysed in terms of the attributive value of motives. I suggest that a normative reason to ? is something that would be a good motive for ?-ing. At least at first glance, this view has numerous merits and few problems. 相似文献
258.
Alex Holder 《Journal of Child Psychotherapy》2013,39(1):80-91
When we treat or discuss child patients who have been referred to us for help with a wide variety of mainly neurotic disturbances we usually take it for granted that a host of factors, both internal and external, have combined and contributed to produce the clinical picture presented by any child at the time of referral. But although it is the endeavour of every diagnostician and of every therapist to tease out, either at the diagnostic stage or in the course of the ongoing treatment, the multiple pathogenic factors which were responsible in bringing about a particular disturbance, every diagnostician and clinician knows only too well from his experiences what an intricate and difficult task this is. This is due both to the complexity in the functioning of the mental apparatus and to our lack of sufficient knowledge of the internal effects of a developing child's earliest experiences. 相似文献
259.
Bethany Herold Alex Stanley Kristina Oltrogge Tonices Alberto Phillip Shackelford Elizabeth Hunter 《Occupational Therapy in Mental Health》2013,29(4):392-399
The prevalence of post-traumatic stress disorder (PTSD) continues to increase. Symptomology of PTSD include sensory deficits much like those displayed in children with sensory integration (SI) disorder. The aim of this scoping review is to review symptoms of PTSD and SI, and make a case of how aquatic therapy may be an effective modality in treating clients with PTSD. Eighteen articles were selected for review. From this review, it is suggested that aquatic therapy can be an effective modality in reducing symptoms of PTSD; however, future research is essential in determining its effectiveness. 相似文献
260.