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121.
Armin W. Schulz 《Synthese》2009,166(1):55-68
This paper defends the communitarian account of meaning against Boghossian’s (Wittgensteinian) arguments. Boghossian argues
that whilst such an account might be able to accommodate the infinitary characteristic of meaning, it cannot account for its normativity: he claims that, since the dispositions of a group must mirror those of its members, the former cannot be used to evaluate the latter. However, as this paper aims to make clear, this reasoning is fallacious. Modelling the issue with four (justifiable)
assumptions, it shows that Condorcet’s ‘Jury Theorem’ can be used to prove that the dispositions of the majority of the members
of a group can differ from those of any individual member in a way that makes it possible to use communal dispositions as a standard with
which individual dispositions can be assessed. Moreover, the argument of the paper is also shown to have general implications
for the use of formal methods in the explanation of the nature of certain fallacious inferences. 相似文献
122.
André Schulz Carolin F. Reichert Steffen Richter Johanna Lass-Hennemann Terry D. Blumenthal Hartmut Schächinger 《Brain and cognition》2009
Cardiac cycle time has been shown to affect pre-attentive brainstem startle processes, such as the magnitude of acoustically evoked reflexive startle eye blinks. These effects were attributed to baro-afferent feedback mechanisms. However, it remains unclear whether cardiac cycle time plays a role in higher startle-related cognitive processes, as well. Twenty-five volunteers responded first by ’fast as possible’ button pushes (reaction time, RT), and second, rated perceived intensity of 60 acoustic startle stimuli (85, 95, or 105 dB; 50 ms duration; binaural; instantaneous rise time), which were presented either 230 or 530 ms after the R-wave, and eye blink responses were measured by EMG. RT was divided into evaluation and motor response time according to previous research. Increasing stimulus intensity enhanced startle eye blink, intensity ratings, and RT components. Eye blinks and intensity judgments were lower when startle was elicited at a latency of R + 230 ms, but RT components were differentially affected: the evaluative component was attenuated, and the motor component was accelerated when stimuli were presented 230 ms after the R-wave. We conclude that the cardiac cycle affects the attentive processing of acoustic startle stimuli. 相似文献
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Two experiments with 3½‐ to 6½‐year‐old children showed that theory‐of‐mind development is associated with the growth of episodic memory. Episodic memory was assessed by manipulating informational conditions such that they permit or prevent the formation of episodic memories in terms of re‐experiencing the recalled event. Only experienced events, e.g. seeing how one puts a picture of a frog into a box, can be remembered by re‐experience. Events known through indirect information cannot be re‐experienced, e.g. putting pictures into the box when blindfolded and being later shown on video what was on these cards. Children were also tested on a battery of theory‐of‐mind tasks assessing their understanding of the origins of knowledge. There was a significant interaction in both experiments showing that recall of directly experienced items improved in relation to indirectly presented items the higher children's theory‐of‐mind scores. The discussion suggests that episodic memory development is specifically linked to the growing ability to introspect an ongoing experience and interpret it as representing an actual past event. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
125.
Edwards MC Gardner ES Chelonis JJ Schulz EG Flake RA Diaz PF 《Journal of abnormal child psychology》2007,35(3):393-404
This study evaluated the validity and classification utility of the Conners' Continuous Performance Test (CCPT) in the assessment of inattentive and hyperactive-impulsive behaviors in children. Significant, positive correlations between the CCPT parameters and behavioral ratings of ADHD behaviors were hypothesized. In addition, it was hypothesized that the CCPT parameters would perform better than a random test (chance) and show fair to moderate utility of classification across the different indices. Participants were 104 children between 6 and 12 years of age who were referred for evaluation of attention problems. The first hypothesis was not supported. There were no significant, positive correlations between the CCPT parameters and parent and teacher ratings of inattentive and hyperactive-impulsive behaviors. The second hypothesis was only partially supported. The CCPT Overall Index and the Omission Errors (84th percentile cutoff) performed better than a random test; however, the utility of the CCPT Overall Index only ranged from poor to slight. Receiver operating characteristic analyses showed the accuracy of the CCPT to be low. The implications and limitations of this study and future research directions are discussed. 相似文献
126.
This study examines the effect of a major event (terrorist attacks) on the stereotypic perceptions, attitudes and affects of 119 Israeli adolescents (56 males and 63 females of 5th and 8th grades) toward three target groups: (a) Palestinians, who still have conflictive relations with the Israelis (Palestinian extremists carried out the attacks), (b) Jordanians, who have peaceful relations with the Israelis and (c) Arabs, in general, who are considered a subcategory including Arabs of all nations. The questionnaires were administered to the same adolescents three times: during a relatively peaceful spell in Israeli–Palestinian relations; one day following two terrorist attacks, and three months thereafter. In the last administration adolescents' need for closure was also measured. Adolescents' perceptions, attitudes and affect toward the three target group were differentiated—relating to Palestinians most negatively and to Jordanians most positively. Also, following the terrorist attacks, stereotypic perceptions and attitudes changed in a negative direction, in relation to all the three groups; again with expressed differentiation among the three groups. In the third measurement, some measures remained negative, but some changed to be more positive. Only few effects of age were detected and several significant correlation with need for closure were found. These results indicate that stereotypes and attitudes toward outgroups are context‐dependent, influenced by events; thus they serve as ‘a seismograph’ to the quality of intergroup relations at any given time. Copyright © 2001 John Wiley & Sons, Ltd. 相似文献
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