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221.
Anniek Vaessen Patty Gerretsen Leo Blomert 《Journal of experimental child psychology》2009,103(2):202-221
The double deficit hypothesis states that naming speed problems represent a second core deficit in dyslexia independent from a phonological deficit. The current study investigated the main assumptions of this hypothesis in a large sample of well-diagnosed dyslexics. The three main findings were that (a) naming speed was consistently related only to reading speed; (b) phonological processing speed and naming speed loaded on the same factor, and this factor contributed strongly to reading speed; and (c) although general processing speed was involved in speeded naming of visual items, it did not explain the relationship between naming speed and reading speed. The results do not provide support for the existence of a second independent core naming deficit in dyslexia and indicate that speeded naming tasks are mainly phonological processing speed tasks with an important addition: fast cross-modal matching of visual symbols and phonological codes. 相似文献
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Leo K. C. Cheung 《Philosophical Investigations》2008,31(3):197-226
This paper aims to argue against the resolute reading, and offer a correct way of reading Wittgenstein's Tractatus. According to the resolute reading, nonsense can neither say nor show anything. The Tractatus does not advance any theory of meaning, nor does it adopt the notion of using signs in contravention of logical syntax. Its sentences, except a few constituting the frame, are all nonsensical. Its aim is merely to liberate nonsense utterers from nonsense. I argue that these points are either not distinctive from standard interpretations or incorrect. Instead, the Tractarian elucidations help to shed light on the nature of language and logic, and introduce the correct method in philosophy. Philosophy deals with philosophical utterances and Tractarian elucidations by pointing out that they are nonsensical. By doing this, one is helped to see that what they appear to be saying is shown by significant propositions saying something else. 相似文献
224.
Minds at rest? Social cognition as the default mode of cognizing and its putative relationship to the "default system" of the brain 总被引:1,自引:0,他引:1
Schilbach L Eickhoff SB Rotarska-Jagiela A Fink GR Vogeley K 《Consciousness and cognition》2008,17(2):457-Consciousness
The “default system” of the brain has been described as a set of regions which are ‘activated’ during rest and ‘deactivated’ during cognitively effortful tasks. To investigate the reliability of task-related deactivations, we performed a meta-analysis across 12 fMRI studies. Our results replicate previous findings by implicating medial frontal and parietal brain regions as part of the “default system”.However, the cognitive correlates of these deactivations remain unclear. In light of the importance of social cognitive abilities for human beings and their propensity to engage in such activities, we relate our results to findings from neuroimaging studies of social cognition. This demonstrates a remarkable overlap between the brain regions typically involved in social cognitive processes and the “default system”.We, henceforth, suggest that the physiological ‘baseline’ of the brain is intimately linked to a psychological ‘baseline’: human beings have a predisposition for social cognition as the default mode of cognizing which is implemented in the robust pattern of intrinsic brain activity known as the “default system”. 相似文献
225.
Rommelse NN Altink ME de Sonneville LM Buschgens CJ Buitelaar J Oosterlaan J Sergeant JA 《Journal of abnormal child psychology》2007,35(6):957-967
Executive dysfunction has been postulated as the core deficit in ADHD, although many deficits in lower order cognitive processes
have also been identified. By obtaining an appropriate baseline of lower order cognitive functioning light may be shed on
as to whether executive deficits result from problems in lower order and/or higher order cognitive processes. We examined
motor inhibition and cognitive flexibility in relation to a baseline measure in 816 children from ADHD and control families.
Multiple children in a family were tested in order to examine the familiality of the measures. No evidence was found for deficits
in motor inhibition or cognitive flexibility in children with ADHD or their nonaffected siblings: Compared to their baseline
speed and accuracy of responding, children with ADHD and their (non)affected siblings were not disproportionally slower or
inaccurate when demands for motor inhibition or cognitive flexibility were added to the task. However, children with ADHD
and their (non)affected siblings were overall less accurate than controls, which could not be attributed to differences in
response speed. This suggests that inaccuracy of responding is characteristic of children having (a familial risk for) ADHD.
Motor inhibition and cognitive flexibility as operationalized with mean reaction time were found to be familial. It is concluded
that poorer performance on executive tasks in children with ADHD and their (non)affected siblings may result from deficiencies
in lower order cognitive processes and not (only) from higher order cognitive processes/executive functions. 相似文献
226.
Crane C Williams JM Hawton K Arensman E Hjelmeland H Bille-Brahe U Corcoran P De Leo D Fekete S Grad O Haring C Kerkhof AJ Lonnqvist J Michel K Salander Renberg E Schmidtke A van Heeringen C Wasserman D 《Suicide & life-threatening behavior》2007,37(4):367-378
The associations between life events in the 12 months preceding an episode of self-poisoning resulting in hospital attendance (the index episode), and the suicide intent of this episode were compared in individuals for whom the index episode was their first, episode and in individuals in whom it was a recurrence of DSH. Results indicated a significant interaction between independent life events, repetition status, and gender in the prediction of suicide intent, the association between life events and intent being moderated by repetition status in women only. The results provide preliminary evidence to suggest the presence of a suicidal process in women, in which the impact of negative life events on suicide intent diminishes across episodes. 相似文献
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228.
This study examined the increase in the rate of suicide by hanging and an apparently simultaneous decrease in the rate of suicide by firearm as hypothetical evidence that Australian males have substituted one method of suicide for another. Trends in hanging and firearm suicide rates were examined from 1975 to 1998 for all Australian males and from 1971 to 1998 for a subset of Australian male youth, as well as a group of Australian males aged over 64 years at the time of their death. When the firearm suicide rate for Australian males declined the hanging rate increased simultaneously, with no statistical difference in the rate of change of the two methods. A similar pattern of simultaneous divergence in hanging and firearm suicide rates of a 15- to 24-year-old subgroup occurred at a not dissimilar rate over a longer time period. Rates of suicide by hanging were found to have begun increasing prior to the decline in firearm suicide. The declining rate of firearm suicide in the 15- to 24-year-old subgroup coincided with an increase in the overall suicide rate. Relationships between trends in hanging and firearm suicide differed between states and between urban and non-urban areas within Queensland, with the firearm suicide rate falling more rapidly in urban areas, especially following the introductions of restrictions to weapon purchases. Individual suicide method choice may be related to independent changes in the social acceptability of each method, as well as to an increasing prevalence of suicide in younger males, who are more likely to use the hanging method. The functioning and effect of social acceptability remains unclear, however. Intervention and prevention strategies should focus on challenging the social acceptability of hanging, especially among males aged 15 to 24 years. 相似文献
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