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141.
The present study demonstrated that pictures of fear-relevant animals, snakes and spiders, presented among backgrounds of other animal stimuli captured attention and interfered in the detection of a neutral target to the same extent in a large sample of unselected children (N=81). Moreover, detection of a neutral target animal was slowed more in the presence of a feared fear-relevant distracter, e.g., a snake for snake fearful children, than in the presence of a not feared fear-relevant distracter, e.g., a spider for snake fearful children. These results indicate attentional capture by phylogenetically fear-relevant animal stimuli in children and the selective enhancement of this effect by fear of these animals. These findings are consistent with current models of preferential processing of phylogenetically prepared threat stimuli and with cognitive models of anxiety that propose an enhancing effect of fear in the processing of fear-related stimuli. 相似文献
142.
Amie L. Thomasson 《Philosophical Studies》2008,141(1):63-78
I argue that thinking of existence questions as deep questions to be resolved by a distinctively philosophical discipline
of ontology is misguided. I begin by examining how to understand the truth-conditions of existence claims, by way of understanding
the rules of use for ‘exists’ and for general noun terms. This yields a straightforward method for resolving existence questions
by a combination of conceptual analysis and empirical enquiry. It also provides a blueprint for arguing against most common
proposals for uniform substantive ‘criteria of existence’, whether they involve mind-independence, possession of causal powers,
observability, etc., and thus for showing that many arguments for denying entities (numbers, ordinary objects, fictional characters,
propositions…) on grounds of their failure to meet one or more of these proposed existence criteria are mistaken.
相似文献
Amie L. ThomassonEmail: |
143.
论中医的辨证论治与肿瘤的分子靶向治疗 总被引:1,自引:1,他引:0
辨证论治是中医认识和治疗疾病的基本原则,“同病异治”和“异病同治”是辨证论治的精神实质。恶性肿瘤的分子靶向治疗在很多方面都贯彻了“辨证论治”观念,将所辨的证候落实到受体、基因和各种调控系统上。尽管两者理论基础完全不同,但都强调以患者为中心的综合治疗和个体化治疗理念,对建立正确的临床思维非常重要。 相似文献
144.
Change detection performance is influenced by a number of factors, among which is the informativeness of targets. It has not
been clarified, yet, whether the highly informative regions have a processing priority as a result of resource deployment
from other tasks or whether it results from a better resource management. In this paper, we adopted a change detection paradigm
in which thirty participants were randomly assigned to two groups: single (change detection task) and dual task [change detection
and a simplified version of the Paced Auditory Serial Oppository Task (PASOT, Gow and Deary in J Clin Exp Neuropsychol 26:723–736,
2004), which implies a verbal effort]. Stimulus informativeness was defined as social relevance, that is, changing targets were
people (high relevance) versus objects (low relevance), all other aspects (i.e., salience and position in the scene) kept
constant. As hypothesized, data analyses showed a significant main effect of social relevance and task condition, i.e., better
change detection performance and lower change detection times for people versus objects and for single than for dual task
condition. Interestingly, the PASOT accuracy remained stable across the person versus object trials, thus implying that the
better performance with socially relevant targets could not be explained by a resources withdrawal from the secondary task.
相似文献
Fabrizio BraccoEmail: |
145.
我国是乙型病毒性肝炎高发区,母婴传播感染是一条极其重要且不易阻断的感染途径,由母婴传播导致的儿童乙肝病毒感染问题,不仅仅是现阶段我国严重的公共卫生问题,同时也是严重的社会伦理问题。HBV感染儿童在成长过程中所面临的社会歧视和自身权利保障是每一个患儿家庭迫切关心的,也是社会伦理学工作者的研究范畴。 相似文献
146.
基于目标追求理论和社会阶层心理学的相关理论, 本文通过3个研究, 逐步深入地考察了社会公平感对不同阶层个体目标达成的影响作用及其过程。研究1为相关研究, 考察了高低阶层成人被试的教育领域社会公平感与为孩子进行教育投入的目标承诺及目标达成之间的关系; 研究2为准实验研究, 通过操纵公平或不公平教育情境启动公平感, 考察其对高低阶层中学生的学习目标承诺与目标达成的影响; 研究3为实验研究, 通过实验操纵社会公平感和社会阶层, 考察社会公平感对高低阶层大学生的实验任务目标承诺和目标达成的影响。研究发现, 社会公平感通过正向影响低阶层者的目标承诺, 进而正向影响其目标达成; 而对于高阶层者来说, 变量之间这些关系则不显著。这表明:相对于高阶层来说, 低阶层者的目标追求易受社会公平感的影响; 低阶层者的社会公平感水平越高, 其追求目标的动机水平就越高, 进而越有利于目标达成。 相似文献
147.
148.
Emotional content can have either a deleterious or a beneficial impact on logicality. Using standard deductive-reasoning tasks, we tested the hypothesis that the interplay of two factors – personal relevance and arousal – determines the nature of the effect of emotional content on logicality. Arousal was assessed using measures of skin conductance. Personal relevance was manipulated by asking participants to reason about semantic contents linked to an emotional event that they had experienced or not. Findings showed that (1) personal relevance exerts a positive effect on logicality while arousal exerts a negative effect, and that (2) these effects are independent of each other. 相似文献
149.
The logic RM and its basic fragments (always with implication) are considered here as entire consequence relations, rather than as sets of theorems. A new observation made here is that the disjunction of RM is definable in terms of its other positive propositional connectives, unlike that of R. The basic fragments of RM therefore fall naturally into two classes, according to whether disjunction is or is not definable. In the equivalent quasivariety semantics of these fragments, which consist of subreducts of Sugihara algebras, this corresponds to a distinction between strong and weak congruence properties. The distinction is explored here. A result of Avron is used to provide a local deduction-detachment theorem for the fragments without disjunction. Together with results of Sobociski, Parks and Meyer (which concern theorems only), this leads to axiomatizations of these entire fragments — not merely their theorems. These axiomatizations then form the basis of a proof that all of the basic fragments of RM with implication are finitely axiomatized consequence relations.Special issue of Studia Logica: Algebraic Theory of Quasivarieties Presented by
M. E. Adams, K. V. Adaricheva, W. Dziobiak, and A. V. Kravchenko 相似文献
150.
Clinical Implications and Methodological Challenges in the Study of the Neuropsychological Correlates of Cannabis,Stimulant, and Opioid Abuse 总被引:1,自引:0,他引:1
Verdejo-García A López-Torrecillas F Giménez CO Pérez-García M 《Neuropsychology review》2004,14(1):1-41
Chronic consumption of several drugs of abuse (cannabis, stimulants, opioids) has been associated with the presence of neuropsychological impairments in a broad range of functions. Nevertheless, in recent years neuropsychological research on substance abuse has focused on the study of impairments in the executive functions linked to the prefrontal cortex and their influence on the personality, cognitions, and behaviors of the substance abusers. The aim of our review is, first, to summarize the main neuropsychological impairments shown by classic studies, as well as these new discoveries in executive functioning; second, to consider the mediating role of neuropsychological status on treatment outcomes and analyze the impact of these impairments in clinical practice with drug addicts; and third, to review the principal methodological challenges associated with research in the field of the neuropsychology of substance abuse. We also highlight the convenience of intervening in those functions most relevant to the abusers' persistence in consumption and risk of relapse. 相似文献