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461.
复合字母刺激心理旋转加工中的整体优先效应 总被引:1,自引:0,他引:1
采用复合字母材料结合正镜像判断任务,首次揭示了心理旋转加工中的整体优先效应。实验一延长复合字母材料的呈现时间,检验心理旋转实验常用的正/镜像判断任务中的视知觉整体优先效应;实验二将实验一的复合字母材料旋转一定角度,考察心理旋转加工中的整体优先效应。结果发现:(1)延长复合字母呈现时间后的字母正镜像判断任务中,被试判断大字母和判断小字母的时间没有显著差异,并且大小字母是否一致对大字母判断和小字母判断的影响无显著差异;(2)在排除了视知觉的整体优先效应存在的情况下,发现心理旋转加工中存在明显的整体优先效应,大字母(整体)旋转条件下的反应时显著短于小字母(局部)旋转条件下的反应时;(3)旋转角度一致性对大字母旋转和小字母旋转条件下的反应时均无显著影响,表明心理旋转的整体优先效应模式可能有别于视知觉加工的整体优先效应模式 相似文献
462.
Vincent P. Ward 《Contemporary Family Therapy》2009,31(3):171-176
In America, we miss the pivotal role of trouble in transformation, because our pursuit of a painless and trouble-free life
aborts the process by which the psyche “gives birth” to change. As therapists, we know better: healing and growth require
movement through, rather than avoidance of, troubling symptoms. Meanwhile our culture, in order to avoid facing the trouble
of aging, sidelines and segregates our old people, which lets the Elder spirit waiting in each Old One wither from disuse.
We do for our clients what Elders would do for the culture, carrying their accumulated weight of hope and despair, joy and
sorrow, violence and peace. Eldering and therapy transform that troubling weight into “spiritual ballast,” providing the stable
ground people need for the journey through life. So as therapists, we’ve been drafted, ready or not, and without our informed
consent, into the role of Cultural Elder. We are midwives during the labor that births new beginnings. The supervisors among
us can be seen as providing for apprentice therapists the final experience that initiates them into this crucial cultural
role. In contributing to the reweaving of an unraveling world, our profession serves a function and carries a responsibility
much broader than that defined by our credentials.
相似文献
Vincent P. WardEmail: |
463.
EMERGENT CONDITIONAL RELATIONS IN A GO/NO‐GO PROCEDURE: FIGURE—GROUND AND STIMULUS‐POSITION COMPOUND RELATIONS 下载免费PDF全文
Paula Debert Edson M. Huziwara Robson Brino Faggiani Maria Eugênia Simões De Mathis William J. McIlvane 《Journal of the experimental analysis of behavior》2009,92(2):233-243
Past research has demonstrated emergent conditional relations using a go/no‐go procedure with pairs of figures displayed side‐by‐side on a computer screen. The present study sought to extend applications of this procedure. In Experiment 1, we evaluated whether emergent conditional relations could be demonstrated when two‐component stimuli were displayed in figure—ground relationships—abstract figures displayed on backgrounds of different colors. Five normally capable adults participated. During training, each two‐component stimulus was presented successively. Responses emitted in the presence of some stimulus pairs (A1B1, A2B2, A3B3, B1C1, B2C2 and B3C3) were reinforced, whereas responses emitted in the presence of other pairs (A1B2, A1B3, A2B1, A2B3, A3B1, A3B2, B1C2, B1C3, B2C1, B2C3, B3C1 and B3C2) were not. During tests, new configurations (AC and CA) were presented, thus emulating structurally the matching‐to‐sample tests employed in typical equivalence studies. All participants showed emergent relations consistent with stimulus equivalence during testing. In Experiment 2, we systematically replicated the procedures with stimulus compounds consisting of four figures (A1, A2, C1 and C2) and two locations (left — B1 and right — B2). All 6 normally capable adults exhibited emergent stimulus—stimulus relations. Together, these experiments show that the go/no‐go procedure is a potentially useful alternative for studying emergent conditional relations when matching‐to‐sample is procedurally cumbersome or impossible to use. 相似文献
464.
Verena Ly 《Behaviour research and therapy》2009,47(10):840-847
Fear conditioning studies have shown that social anxiety is associated with enhanced expectancy of aversive outcome. However, the relation between cognitive expectancy and social anxiety has never been tested in avoidance conditioning paradigms. We compared 48 low (LSA) and high socially anxious individuals (HSA) on subjective expectancy of aversive outcome during an avoidance conditioning task. Displays of neutral faces were coupled with an aversive outcome (US): a shout and a shock. Participants could avoid the US by pressing a correct button from a button box. First, HSA showed higher US expectancy than LSA during the initial phase of avoidance conditioning, supporting the view that socially anxious individuals have an expectancy bias when social situations are ambiguous. Second, when the avoidance response became unavailable, LSA showed lower US expectancy than HSA, suggesting that low socially anxious individuals are prone to a positive bias when perceived threat is high. A lack of such positive bias in socially anxious individuals may lead to higher susceptibility to safety behavior interpretations. Together, these findings support the role of cognitive processes in avoidance conditioning and underscore the relevance to encounter avoidance learning when studying social anxiety. 相似文献
465.
We take a fresh look at the logics of informational dependence and independence of Hintikka and Sandu and Väänänen, and their compositional semantics due to Hodges. We show how Hodges’ semantics can be seen as a special case of a general construction, which provides a context for a useful completeness theorem with respect to a wider class of models. We shed some new light on each aspect of the logic. We show that the natural propositional logic carried by the semantics is the logic of Bunched Implications due to Pym and O’Hearn, which combines intuitionistic and multiplicative connectives. This introduces several new connectives not previously considered in logics of informational dependence, but which we show play a very natural rôle, most notably intuitionistic implication. As regards the quantifiers, we show that their interpretation in the Hodges semantics is forced, in that they are the image under the general construction of the usual Tarski semantics; this implies that they are adjoints to substitution, and hence uniquely determined. As for the dependence predicate, we show that this is definable from a simpler predicate, of constancy or dependence on nothing. This makes essential use of the intuitionistic implication. The Armstrong axioms for functional dependence are then recovered as a standard set of axioms for intuitionistic implication. We also prove a full abstraction result in the style of Hodges, in which the intuitionistic implication plays a very natural rôle. 相似文献
466.
传统人性论蕴含着丰富的德育资源,为我们提供了多方厩的经验、教训和启示:教化成善,发挥德育潜移默化的作用;顺乎人性,坚持德育中和适度的原则;修身养性,注重道德主体自觉的培养;以人为本,落实德育科学发展的理念。 相似文献
467.
Tomasini F 《Theoretical medicine and bioethics》2007,28(6):497-507
This article critically evaluates bettering human life. Because this involves lives that do not exist yet, the article investigates
human eugenics and enhancement through the social prism of ‘the imaginary’ (defined ‘as a set of assumptions and concepts
for thinking and speaking about human enhancement and its future direction’) [1]. “Exploring basic assumptions underlying the idea of human enhancement” investigates underlying assumptions and claims for
human enhancement. Firstly, human eugenics and enhancement entangles a factual as well as a normative claim about what improvement/betterment
maybe constitutive of. Secondly, claims about what a better life is, is often a future orientated claim about whether certain
kinds of life that do not exist yet should ever exist. Moral images of thought are introduced and how they work to make normative judgments about lives that do not
exist. This implicates the moral problem of difference, where an image of a ‘better’ life—classically expressed in eugenics
as a ‘superior’ and/or ‘normal’ life—necessarily entails inferiority and/or deviance from a norm. “Moral imagination in contemporary fiction and the history of old eugenics”,
introduces moral images in history of eugenics and demonstrates how examples fall foul of the problem. “The new (liberal)
eugenics and the moral image of therapy” examines progress in contemporary debates, the move from authoritarian to non-authoritarian
eugenics (human enhancement), and how, to some extent, this has solved the problem of difference, through liberal defence
of personal choice. “The heart of the eugenic issue” suggests that personal choice in liberal non-authoritarian eugenics is
not immune to basic drive behind all eugenic arguments; desire as lack which is expressed as the continual dissatisfaction
of not having our future expectations met.
相似文献
Floris TomasiniEmail: |
468.
If and Then: A Critique of Speculative NanoEthics 总被引:7,自引:4,他引:3
Alfred Nordmann 《Nanoethics》2007,1(1):31-46
Most known technology serves to ingeniously adapt the world to the physical and mental limitations of human beings. Humankind
has acquired awesome power with its rather limited means. Nanotechnological capabilities further this power. On some accounts,
however, nanotechnological research will contribute to a rather different kind of technological development, namely one that
changes human beings so as to remove or reduce their physical and mental limitations. The prospect of this technological development
has inspired a fair amount of ethical debate. Here, proponents and opponents of such visions of human enhancement are criticized
alike for engaging in speculative ethics. This critique exposes a general pattern that extends to other nano-, bio-, or neuroethical
debates. While it does not apply to all discussions of “enhancement technologies” it does apply to all ethical discourse that
constructs and validates an incredible future which it only then proceeds to endorse or critique. This discourse violates
conditions of intelligibility, squanders the scarce and valuable resource of ethical concern, and misleads by casting remote
possibilities or philosophical thought-experiments as foresight about likely technical developments. In effect, it deflects
consideration from the transformative technologies of the present.
相似文献
Alfred NordmannEmail: |
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