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211.
Up to now functional hemispheric asymmetries for global/local processing have mainly been investigated with hierarchical letters as stimuli. In the present study, three experiments were conducted to examine whether corresponding visual-field (VF) effects can also be obtained with more naturalistic stimuli. To this end, images of animals with a pattern placed on their body were displayed as stimuli. The task for the global level and for the local level was to categorize the animals and the patterns, respectively. As a result, VF-effects were also found for these stimuli and tasks. It is concluded that the hemispheric differences observed for hierarchical letters also hold for naturalistic stimuli. 相似文献
212.
Thinking as the control of imagination: a conceptual framework for goal-directed systems 总被引:1,自引:1,他引:0
This paper offers a conceptual framework which (re)integrates goal-directed control, motivational processes, and executive
functions, and suggests a developmental pathway from situated action to higher level cognition. We first illustrate a basic
computational (control-theoretic) model of goal-directed action that makes use of internal modeling. We then show that by adding the problem of selection among multiple action alternatives motivation enters the scene, and
that the basic mechanisms of executive functions such as inhibition, the monitoring of progresses, and working memory, are
required for this system to work. Further, we elaborate on the idea that the off-line re-enactment of anticipatory mechanisms
used for action control gives rise to (embodied) mental simulations, and propose that thinking consists essentially in controlling
mental simulations rather than directly controlling behavior and perceptions. We conclude by sketching an evolutionary perspective
of this process, proposing that anticipation leveraged cognition, and by highlighting specific predictions of our model.
相似文献
Cristiano CastelfranchiEmail: |
213.
A randomised, double-blind, placebo-controlled, between subjects study design (N=37) was used to investigate the effects of dexamphetamine on explicit new name learning. Participants ingested 10mg of dexamphetamine or placebo daily over 5 consecutive mornings before learning new names for 50 familiar objects plus fillers. The dexamphetamine group recognised and recalled the new names more accurately than the placebo group over the 5 days and 1 month later. Word learning success was not associated with baseline neuropsychological performance, mood, cardiovascular arousal, or sustained attention. These results may have implications for the pharmacological treatment of acquired naming difficulties. 相似文献
214.
Luca Moretti 《Philosophical Studies》2008,141(1):97-114
Minimal entities are, roughly, those that fall under notions defined by only deflationary principles. In this paper I provide
an accurate characterization of two types of minimal entities: minimal properties and minimal facts. This characterization
is inspired by both Schiffer’s notion of a pleonastic entity and Horwich’s notion of minimal truth. I argue that we are committed
to the existence of minimal properties and minimal facts according to a deflationary notion of existence, and that the appeal
to the inferential role reading of the quantifiers does not dismiss this commitment. I also argue that deflationary existence
is language-dependent existence—this clarifies why minimalists about properties and facts are not realists about these entities
though their language may appear indistinguishable from the language of realists.
相似文献
Luca MorettiEmail: |
215.
Graham Oppy 《Sophia》2007,46(3):295-304
Millican (Mind 113(451):437–476, 2004) claims to have detected ‘the one fatal flaw in Anselm’s ontological argument.’ I argue that there
is more than one important flaw in the position defended in Millican (Mind 113(451):437–476, 2004). First, Millican’s reconstruction of Anselm’s argument does serious violence to the original text.
Second, Millican’s generalised objection fails to diagnose any flaw in a vast range of ontological arguments. Third, there
are independent reasons for thinking that Millican’s generalised objection is unpersuasive. 相似文献
216.
The development of action representation during adolescence was investigated using a visually guided pointing motor task (VGPT) to test motor imagery. Forty adolescents (24 males; mean age 13.1 years) and 33 adults (15 males; mean age 27.5 years) were instructed to both execute and imagine hand movements from a starting point to a target of varying size. Reaction time (RT) was measured for both Execution (E) and Imagery (I) conditions. There is typically a close association between time taken to execute and image actions in adults because action execution and action simulation rely on overlapping neural circuitry. Further, representations of actions are governed by the same speed-accuracy trade-off as real actions, as expressed by Fitts’ Law. In the current study, performance on the VGPT in both adolescents and adults conformed to Fitts’ Law in E and I conditions. However, the strength of association between E and I significantly increased with age, reflecting a refinement in action representation between adolescence and adulthood. 相似文献
217.
考察优抚医院疗养对象的幸福感现状,探讨其心理健康、社会支持与幸福感的关系。采用老年人心理健康问卷、社会支持评定量表、纽芬兰纪念大学幸福度量表对103名平均年龄82.43岁的优抚医院疗养对象进行调查。结果表明:(1)优抚医院疗养对象的幸福感与全国常模无显著差异,心理健康水平与社会支持状况都显著低于对照组;(2)优抚医院疗养对象的社会支持、心理健康水平和幸福感各维度之间存在显著正相关;(3)心理健康在社会支持对幸福感的影响中起中介作用;心理健康的情绪体验维度在客观支持对幸福感的影响中起部分中介作用。 相似文献
218.
Victoria S. Harrison 《Philosophia》2008,36(1):97-110
Internalist pluralism is an attractive and elegant theory. However, there are two apparently powerful objections to this approach
that prevent its widespread adoption. According to the first objection, the resulting analysis of religious belief systems
is intrinsically atheistic; while according to the second objection, the analysis is unsatisfactory because it allows religious
objects simply to be defined into existence. In this article, I demonstrate that an adherent of internalist pluralism can
deflect both of these objections, and in the course of so arguing, I deploy a distinction between “conceptual-scheme targetability”
and “successful conceptual-scheme targeting”.
相似文献
Victoria S. HarrisonEmail: |
219.
220.
William Rich 《Journal of religion and health》2001,40(1):213-230
Creative use of our imagination is essential if we are to live a vibrant life. Although our use of imagination is often blocked by various fears, D. W. Winnicott's insights into play, aggression, and the use of transitional objects open up paths towards greater freedom. The sacred texts, symbols, and liturgies of our religious traditions can then become the toys which engage us in profound and re-creating soul play. Through grace and the evocative examples of our teachers, we can find ways to use our imagination more freely to deepen our spiritual life and psychological wholeness. 相似文献