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911.
Elisabeth Moores Roderick Nicolson Angela Fawcett 《Journal of Cognitive Psychology》2013,25(3):321-348
Both attentional difficulties and rapid processing deficits have recently been linked with dyslexia. We report two studies comparing the performance of dyslexic and control teenagers on attentional tasks. The two studies were based on two different conceptions of attention. Study 1 employed a design that allowed three key components of attention--focusing, switching, and sustaining--to be investigated separately. One hypothesis under investigation was that rapid processing problems--in particular impaired ability to switch attention rapidly--might be associated with dyslexia. However, although dyslexic participants were significantly less accurate than their controls in a condition where they had to switch attention between two target types, the nature of the deficit suggested that the problem was not in switching attention per se. Thus, in Study 2, we explored an alternative interpretation of the Study 1 results in terms of the classic capacity-limited models of "central" attention. We contrasted two hypotheses: (1) that dyslexic teenagers have reduced cognitive resources versus (2) that they suffer from a general impairment in the ability to automatise basic skills. To investigate the automaticity of the shape recognition component of the task a similar attention paradigm to that used in Study 1 was employed, but using degraded, as well as intact, stimuli. It was found that stimulus degradation led to relatively less impairment for dyslexic than for matched control groups. The results support the hypothesis that dyslexic people suffer from a general impairment in the ability to automatise skills--in this case the skill of automatic shape recognition. 相似文献
912.
Alberto Dominguez Maira Alija Javier Rodriguez-Ferreiro Fernando Cuetos 《Journal of Cognitive Psychology》2013,25(4):569-595
Three series of priming experiments were conducted to probe the morphological and phonological contributions to visual word recognition in Spanish. Prefixed, e.g., INCAPAZ (incapable), and pseudoprefixed, e.g., INDUSTRIA (industry) target words were presented for recognition following a prefixed, e.g., infeliz (unhappy), or pseudoprefixed, e.g., insulto (insult), prime starting with the same syllable as the target, at masked short or long stimulus onset asynchronies (SOAs). At long SOAs the recognition of prefixed targets was facilitated by prefixed primes and inhibited by pseudoprefixed ones, whereas both prefixed and pseudoprefixed primes facilitated the recognition at short SOAs. In contrast, the recognition of pseudoprefixed targets was unaffected by the kind of prime presented, even when we used pairs of words overlapping in syllables that cannot be prefixes in Spanish. These results support a special status for morphological elements in access to meaning in reading. 相似文献
913.
It has been shown repeatedly that relatively small numbers are responded to faster with the left hand and relatively large numbers are responded to faster with the right hand. This so-called SNARC effect (Dehaene, Bossini, & Giraux, 1993) is thought to arise through activation of irrelevant spatial codes associated with the magnitude of the number. This conflict between irrelevant magnitude information and the response is conceptually similar to the well-known Simon effect. Recently, both Mapelli, Rusconi, and Umiltà (2003) and Keus and Schwarz (in press) directly compared both effects in a single task within the framework of the additive factor method (Sternberg, 1969). While Mapelli et al. found additive effects of SNARC and Simon levels, suggesting different processing stages, Keus and Schwarz found that the SNARC effect depended on the compatibility level of the Simon task leading them to propose a common origin at the response selection stage. In the present study we demonstrate in 2 experiments that the relationship between Simon and SNARC depends on the relevance of the magnitude code, thereby violating one of the core assumptions of the AFM. Instead we propose a temporal overlap model to interpret the relationship between these effects which allows to commensurate apparently divergent outcomes. 相似文献
914.
915.
The author designed, constructed, and demonstrated an apparatus the function of which was to make possible the study of the effects of a stressor animal upon experimental animals. 相似文献
916.
Anna Kostikova 《Metaphilosophy》2013,44(1-2):24-28
In this article the author suggests that progress in philosophy can be conceived through contemporary French theories that propose a new, polysemantic way of thinking. Postmodern philosophy has tried to renew the meaning of the subject, of the subject's identity, and of language and communication. The author believes that the postmodern, feminist approach to those concepts represents significant progress in philosophy. It is, in fact, exactly in the context of feminism—conceived of not just as a women's sociopolitical or scientific activity but as a broad theoretical approach to many areas—that Western philosophy has acquired its most explicit and adequate meaning. A crucial example here is the new historicophilosophical analysis of the concept of gender. The author appeals to Lipovetsky, Lacan, Derrida, Kristeva, and other thinkers to show how postmodern feminism helps to overcome the binary vision of the contemporary world and the dichotomic composition of earlier philosophical thought. 相似文献
917.
918.
Psychologists have increasingly employed dictionary-based text analysis to examine the language of leadership, as leadership is embedded in a web of negotiated meanings and contextual factors. This research seeks to embed leaders’ rhetorical influence in leader–follower relationships and identify contextual factors that explain the different patterns of effective versus ineffective leaders’ and charismatic versus non-charismatic leaders’ uses of action-oriented terms and negation terms in their inaugural speeches. By analyzing data of 30 U.S. presidents’ inaugural addresses, presidential election outcomes, and leadership styles, I found that effective leaders used action-oriented terms more frequently in their inaugural speeches than ineffective leaders only when follower participation was low, whereas charismatic leaders used negation terms more frequently in their inaugural speeches than non-charismatic leaders only when follower endorsement was low. These findings suggest that effective leaders are attuned to action-related situational cues whereas charismatic leaders are attuned to value-related situational cues. 相似文献
919.
Speech disfluencies, such as filled pauses (ummm, uhhh), are increasingly recognized as an informative element of the speech stream. Here, we examined whether 2‐ and 3‐year‐olds expected that the presence of filled pause would signal reference to objects that are new to a discourse. Children viewed pairs of familiar objects on a screen and heard a speaker refer to one of the objects twice in succession. Next, children heard a critical utterance and were asked to look and point at either the discourse‐given (i.e., previously mentioned) or discourse‐new (i.e., previously unmentioned) object using a fluent (‘Look at the ball!’) or disfluent (‘Look at thee uh ball!’) expression. The results indicated that 3‐year‐old children, but not 2‐year‐old children, initially expected the speaker to continue to refer to given information in the critical utterance. Upon hearing a filled pause, however, both 2‐ and 3‐year‐old children's looking patterns reflected increased looks to discourse‐new objects, although the timing of the effect differed between the age groups. Together, these findings demonstrate that young children have an emerging understanding of the role of filled pauses in speech. 相似文献
920.
After adaptation to a fixed temporal delay between actions and their sensory consequences, stimuli delivered during the delay are perceived to occur prior to actions. Temporal judgments are also influenced by the sensation of agency (experience of causing our own actions and their sensory consequences). Sensory consequences of voluntary actions are perceived to occur earlier in time than those of involuntary actions. However, it is unclear whether temporal order illusions influence the sensation of agency. Thus, we tested how the illusionary reversal of motor actions and sound events affect the sensation of agency. We observed an absence of the sensation of agency in the auditory modality in a condition in which sounds were falsely perceived as preceding motor acts relative to the perceived temporal order in the control condition. This finding suggests a strong association between the sensation of agency and the temporal order perception of actions and their consequences. 相似文献