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461.
Seven healthy subjects underwent functional magnetic resonance imaging (fMRI) of the brain while performing an inspection time task. Employing a block-type design, the task had three difficulty levels: a control condition, an easy (200 ms stimulus duration), and a more difficult (40 ms) discrimination. Based on group results, there were widespread significant areas of difference in brain activation and deactivation when pairwise comparisons were conducted among the three task conditions. When the difficult condition was compared with the easy condition, there was relative activation in areas of the following brain regions: cingulate gyrus and some frontal and parietal lobe areas. Areas within the following regions showed relative deactivation (greater blood oxygenation level-dependent, BOLD, signal in the easy condition): frontal, temporal, and parietal lobe. There were overlaps between these areas and those found to be active while performing higher cognitive tasks in other functional brain imaging studies. These pilot data encourage future studies of the functional anatomy of inspection time and its relevance to psychometric intelligence.  相似文献   
462.
463.
Reflectivity, Reflection, and Counter-Education   总被引:4,自引:0,他引:4  
This article sets forward a new concept of reflection, to be contrasted with more usual reading of the concept for which we use the term `reflectivity'. The contrast is related to a distinction between normalizing education and counter-education. We claim that within the framework of normalizing education there is no room for reflection, but only for reflectivity. In contrast to reflectivity, reflection manifests a struggle of the subject against the effects of power which govern the constitution of her conceptual apparatus, her knowledge, her consciousness and her limitations and possibilities for successful functioning. Reflectivity re-presents the hegemonic realm of self-evidence and the productive violence of social and cultural order. Reflection, by contrast, aims to challenge the supposedly self-evident and the present order of things. Reflection aims at transcendence and represents a moral commitment in respect of the otherness of the Other, which power relations in every realm of self-evidence oblige us to neglect, to destroy or consume. Transcendence is a concrete utopia, and so is the subject in her nonrepressive communication with the Other: they are part and parcel of our present possibilities, sometimes in microscopic arenas, struggled for, and from time to time even realized.  相似文献   
464.
Sound symbolism suggests a non-arbitrary relationship between speech sounds and the concepts to which those sounds refer (Hinton, Nichols, &; Ohala, 2006 Hinton, L., Nichols, J., &; Ohala, J. J. (2006). Sound symbolism. Cambridge, UK: Cambridge University Press. [Google Scholar]). Supporting evidence comes primarily from studies investigating how speech sounds relate to semantically compatible visual concepts. The present study therefore attempted to examine sound symbolism in the context of tactile perception. Contrary to the propositions of sound symbolism, participants in Experiment 1 did not consistently assign names with plosive consonant to objects with curved frames. Experiment 2, however, found that names with fricative consonants were more likely to be applied to materials with rough surfaces. The results suggested the existence of a direct relationship between speech sounds and their referent concepts that could be crucial in revealing the phenomenon of sound symbolism. A future study was also proposed to study the contributions of mouth shape and airflow to associations between speech sounds and tactile feelings. (161 words)  相似文献   
465.
This article presents a systematic review of empirical research on teaching about Christianity in state schools in England between 1993 and 2013. First, I explain the background to this religion’s current place within English religious education. The value of a configurative review is set out, and inclusion criteria are outlined, leading to the selection of 58 publications. Then the article’s theoretical frame is explained, drawing on activity theory, and the analysis is set out under three broad organising principles: (1) Teachers’ professional and pedagogical intentions; (2) How teachers draw on different pedagogical strategies to enact these intentions, for example systematic or thematic approaches; and (3) How these intentions and strategies affect pupil learning, such as pupils’ conceptions of difficult topics. The implications for research in religious education are then drawn together, notably the need to consider the pedagogical issues for different religions individually.  相似文献   
466.
Psychological assessments of competency-to-stand-trial (CST) referrals must consider whether the defendants' impairment is genuine or feigned. This study addressed feigning on the Evaluation of Competency to Stand Trial--Revised (ECST-R), a standardized interview designed for assessing dimensions of CST and screening for feigned CST. In particular, this study examined the effectiveness of the ECST-R's Atypical Presentation (ATP) scales as screens for feigned incompetency. It examined ATP scales for (a) jail detainees (n=96) in simulation and control conditions and (b) inpatient competency cases (n=56) in clinical comparison and probable malingering groups. Comparisons of ATP scales yielded very large effect sizes for feigners when compared with jail controls (mean d=2.50) and genuine inpatient competency cases (mean d=1.83). Several cut scores were established with very few false negatives and robust sensitivity estimates. In summary, the ECST-R ATP scales appear to be homogenous scales with established clinical use as feigning screens in CST evaluations.  相似文献   
467.
Affirmative action programs (AAPs) are controversial employment policies in the United States and elsewhere. A large body of evidence about attitudinal reactions to AAPs in employment has accumulated over 35 years: at least 126 independent samples involving 29,000 people. However, findings are not firmly established or integrated. In the current article, the authors summarize and meta-analytically estimate relationships of AAP attitudes with (a) structural features of such programs, (b) perceiver demographic and psychological characteristics, (c) interactions of structural features with perceiver characteristics, and (d) presentation of AAP details to perceivers, including justification of the AAP. Results are generally consistent with predictions derived from self-interest considerations, organizational justice theory, and racism theories. They also suggest practical ways in which AAPs might be designed and communicated to employees to reduce attitudinal resistance.  相似文献   
468.
The authors manipulated the circumstances in which individuals are typically embedded when standing upright by manipulating the intensity of light and the stationary structure of the environment. They expected that the manipulations would affect 12 older participants (aged 65-82 years) more than it would 12 younger participants (aged 22-24 years). Linear (e.g., total path length) and nonlinear (e.g., maximum line length of recurrent points in phase space) measures of the center of pressure time series confirmed that expectation. Moreover, for some measures, there was a suggestion that participants' visual contrast sensitivity (an index of neurophysiological age) was a more important contributing factor overall than was their chronological age. In the Discussion, the authors highlight the significance of interactive effects of environmental, organismic, and task constraints on quiet standing.  相似文献   
469.
Characterization of the vocal profile of profoundly deaf children using an objective voice analysis was carried out in a university-based pediatric otolaryngology clinic. 21 persons ages 3.5 to 18 years were assessed. From each sustained phonation of the vowel /a/ the following acoustic variables were extracted: fundamental frequency (F0), jitter percentage, shimmer percentage, fundamental frequency variation (vF0), peak amplitude variation (vAM), and first, second, and third formant frequencies (F1, F2, F3). Mean F0 was 267.8 Hz and consistent with established normative data. Mean measurements of jitter (0.88%) and shimmer (3.5%) were also within normal limits. The notable feature of the acoustic analysis was a statistically significant elevation in vF0 (2.81%) and vAM (23.58%). With the exception of one subject, the F1, F2, and F3 formant frequencies were comparable to those for normal hearing children. Auditory deprivation results in poor long-term control of frequency and amplitude during sustained phonation. The inability to maintain a sustained phonation may represent the partial collapse of an internal model of voice and speech.  相似文献   
470.
Previous research has demonstrated the potential for the use of ambient sensory conditions to improve cognitive functioning. Both light and sound have been shown to improve task performance in various populations including children, younger adults, and elderly participants; however, these cognitive gains may possibly be offset by detrimental cardiovascular reactivity in elderly persons. We now have some evidence for ambient sensory conditions affecting cognitive function following left- or right-side cerebrovascular accidents.  相似文献   
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