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801.
What role do celebrities play in our moral lives? Philosophers have explored the potential for celebrities to function as moral exemplars and role models. We argue that there are more ways in which celebrities play a role in helping us navigate our moral lives. First, gossiping about celebrities helps us negotiate our moral norms and identify competing styles of life. Second, fandom for celebrities serves as the basis for the development of distinct moral communities and identities. Third, celebrities possess high levels of epistemic power which can be used to help change and adapt our moral norms. We will then investigate two kinds of problems that arise from using celebrities in this way. Firstly, harm is done to celebrities because they are used in the ways explained in the first part of the article; secondly, celebrity life has a distinctive nature that can affect the moral agency of celebrities. Fame, we suggest, might lead to a morally unhealthy asymmetry in human relationships. We end by discussing the ethical implications of our analysis and conclude that when using stars for moral navigation, we should take into account the harm this does to them and the distinctive nature of their lives. 相似文献
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The extent to which we generalize a novel property from a sample of familiar instances to novel instances depends on the sample composition. Previous property induction experiments have only used samples consisting of novel types (unique entities). Because real-world evidence samples often contain redundant tokens (repetitions of the same entity), we studied the effects on property induction of adding types and tokens to an observed sample. In Experiments 1–3, we presented participants with a sample of birds or flowers known to have a novel property and probed whether this property generalized to novel items varying in similarity to the initial sample. Increasing the number of novel types (e.g., new birds with the target property) in a sample produced tightening, promoting property generalization to highly similar stimuli but decreasing generalization to less similar stimuli. On the other hand, increasing the number of tokens (e.g., repeated presentations of the same bird with the target property) had little effect on generalization. Experiment 4 showed that repeated tokens are encoded and can benefit recognition, but appear to be given little weight when inferring property generalization. We modified an existing Bayesian model of induction (Navarro, Dry, & Lee, 2012) to account for both the information added by new types and the discounting of information conveyed by tokens. 相似文献
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Two experiments are described, which investigated 7
- to 13-month-old infants' abilities to categorise syllables according to their ending sounds, or rhymes. Using the Conditioned Headturn (CHT) Procedure, infants were conditioned to turn their head when one set of rhyming CVCs changed to another set of rhyming CVCs. Even the 7
-month-old infants demonstrated an ability to categorise according to rimes. The infants could be separated into three different groups: those who conditioned but did not succeed in a rhyming task; those who succeeded at one rhyming task but not a second; and those infants who succeeded on two rhyming tasks. The infants in the second group were showing an early sensitivity to rhyme. However, they appeared to be learning a very specific rule, listening only for one category of rhyme. The third group of infants was able to extend the initial rule they learned to include new rhymes. This group learned not only to highlight one particular rhyme, but were also able to abstract the previously learned rule to new rhymes, thereby demonstrating a higher level of sophistication in their categorisation of rhymes. These results are discussed in relation to the ontogeny of language learning, and work demonstrating a relationship between rhyming ability and competence in reading and writing. 相似文献
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Lee H. Wurm Douglas A. Vakoch Maureen R. Strasser Robert Calin-Jageman Shannon E. Ross 《Cognition & emotion》2013,27(6):831-852
Two experiments using identical stimuli were run to determine whether the vocal expression of emotion affects the speed with which listeners can identify emotion words. Sentences were spoken in an emotional tone of voice (Happy, Disgusted, or Petrified), or in a Neutral tone of voice. Participants made speeded lexical decisions about the word or pseudoword in sentence-final position. Critical stimuli were emotion words that were either semantically congruent or incongruent with the tone of voice of the sentence. Experiment 1, with randomised presentation of tone of voice, showed no effect of congruence or incongruence. Experiment 2, with blocked presentation of tone of voice, did show such effects: Reaction times for congruent trials were faster than those for baseline trials and incongruent trials. Results are discussed in terms of expectation (e.g., Kitayama, 1990, 1991, 1996) and emotional connotation, and implications for models of word recognition are considered. 相似文献
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Rhythm (a pattern of onset times and duration of sounds) and melody (a pattern of sound pitches) were studied in 22 children and adolescents several years after temporal lobectomy for intractable epilepsy. Left and right lobectomy groups discriminated rhythms equally well, but the right lobectomy group was poorer at discriminating melodies. Children and adolescents with right lobectomy, but not those with left temporal lobectomy, had higher melody scores with increasing age. Rhythm but not melody was related to memory for the right lobectomy group. In neither group was melody related to age at onset of non-febrile seizures, time from surgery to music tests, or the linear amount of temporal lobe resection. Pitch and melodic contour show different patterns of lateralization after temporal lobectomy in childhood or adolescence. 相似文献