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11.
执行功能紊乱理论(Theory of Executive Dysfunction)、弱的中央统合理论(Weak Central Coherence theory)和心理理论假说(The Theory of Mind Hypothesis)是解释孤独症认知障碍的三种重要理论。本文着重通过回顾以往的实验研究来探讨三种理论的产生、发展及前进的方向, 以及三大理论之间的关系。三者可能从不同侧面诠释了孤独症认知障碍的机制, 如何综合起来更好地揭示孤独症的认知障碍和病理机制, 尚需深入和全面的研究。同时更多地考虑不同认知因素的交互影响以及研究的生态学效度, 可能是进一步研究需要考虑的问题。 相似文献
12.
非时间信息加工与时间加工的关系是复杂的, 存在双向干扰或单向干扰, 结果的不一致与任务所需的注意资源及工作记忆都有关。工作记忆的中央执行系统在时间加工中起主要作用, 同时进行的非时间任务对中央执行功能的需求越多, 两种任务之间的干扰程度越大。语言环和视空间模板对时间加工的影响与非时间信息的类型有关。工作记忆作为一个整体以工作记忆容量为指标, 计时成绩也表现出与工作记忆容量有关的年龄、智力等方面的差异。时间加工和工作记忆在额叶、顶叶、基底神经节等皮质存在共同的神经机制。未来应该丰富工作记忆的研究内容, 结合时间加工的分段性探讨工作记忆影响时间加工的具体进程及神经机制, 并力求在应用方面取得一定的成果。 相似文献
13.
David J. Foulis 《Studia Logica》2006,84(3):407-424
A Heyting effect algebra (HEA) is a lattice-ordered effect algebra that is at the same time a Heyting algebra and for which the Heyting center coincides
with the effect-algebra center. Every HEA is both an MV-algebra and a Stone-Heyting algebra and is realized as the unit interval
in its own universal group. We show that a necessary and sufficient condition that an effect algebra is an HEA is that its
universal group has the central comparability and central Rickart properties.
Presented by Daniele Mundici 相似文献
14.
加工速度和工作记忆反应了不同的认知加工过程,在认知发展研究中,加工速度和工作记忆所起的作用仍存在较大的分歧.采用多因素混合实验设计,在严格控制条件下,比较了语文学习困难和控制组儿童的工作记忆和加工速度.结果发现,与控制组相比,语文学习困难儿童在工作记忆和加工速度方面均存在明显的不足,但加工速度不能解释不同能力组之间的差异,语文学习困难儿童的缺陷在于工作记忆能力的下降.工作记忆的缺陷在于言语工作记忆和中央执行功能的不足,与视空间工作记忆能力无关.语文学习困难既存在一般的工作记忆缺陷(中央执行功能)也存在特定的工作记忆(言语工作记忆)能力的不足. 相似文献
15.
Jonathan Parks Fillauer Jennifer Bolden Melanie Jacobson Brock H. Partlow Andrea Benavides Jessica N. Shultz 《Applied cognitive psychology》2020,34(1):50-63
The present study attempts to expand our understanding of frustration, clinical symptoms, and working memory by examining the unique contribution of attention-deficit/hyperactivity disorder symptoms and frustration to working memory capacity (WMC). A factor-analytic framework was utilized to isolate and examine WMC based on results from three working memory tasks that were administered in counterbalanced order to control for individual differences in baseline WMC. All participants provided subjective ratings of frustration both prior to and after administration of a frustration induction. Results suggest that although we were able to systematically induce subjective frustration for participants in the experimental group relative to the control group, WMC was not associated with induced frustration in the present study. Results also indicated that inattention symptoms predicted baseline frustration levels. This work highlights the need to examine the extent to which storage/rehearsal WMC and additional process-oriented working memory-related performance variables are related to frustration. The data that support the findings of this study are available from the corresponding author upon request. 相似文献
16.
Diego Vaggione 《Studia Logica》1996,57(2-3):239-241
It is proved that the directly indecomposable algebras in a congruence modular equational class form a first-order class provided that fulfils some two natural assumptions.Research supported by CONICOR and SECYT (UNC).Presented by W. Dziobiak 相似文献
17.
In introducing the LISREL model for systems of linear structural equations, Jöreskog and Sörbom proposed two goodness-of-fit indices, GFI and AGFI. Their asymptotic distributions and some statistical properties are discussed.The authors would like to acknowledge the helpful comments and suggestions from the Associate Editor and two anonymous reviewers. 相似文献
18.
Stevenson CW 《Neurobiology of learning and memory》2011,96(2):315-323
The basolateral amygdala (BLA) and medial prefrontal cortex (mPFC) are inter-connected regions involved in fear memory expression. The reciprocal nature of projections between these areas differs along the rostrocaudal extent of BLA. This study investigated the role of functional interactions between BLA and the prelimbic (PL) subregion of mPFC in mediating contextual fear memory. Freezing served as the measure of conditioned fear. Experiments 1–3 examined the effects of left, right or bilateral infusion of bupivacaine into anterior BLA (aBLA), posterior BLA (pBLA) or PL on fear memory expression. Reversible inactivation of left, right or bilateral aBLA impaired fear memory expression. Bilateral inactivation of pBLA or PL also disrupted the expression of fear memory, although left or right inactivation alone had no significant effects in either region. Experiment 4 examined the effects of functionally disconnecting pBLA and PL on contextual fear memory by infusing bupivacaine unilaterally into pBLA and PL in the ipsilateral or contralateral hemisphere. Fear memory expression was impaired by asymmetric inactivation of pBLA and PL; however, a similar effect was also observed with symmetric inactivation of these regions. Bupivacaine infusion did not affect behavior in the open field, likely ruling out non-specific effects of inactivation on innate fear and locomotor activity. These results demonstrate different roles for rostral and caudal BLA in mediating the expression of contextual fear memory. They also raise the possibility that pBLA–PL circuitry is involved in subserving fear memory expression via complex processing mechanisms, although further research is needed to confirm this preliminary finding. 相似文献
19.
本研究采用SCL-90、EPQ等量表,对苏中地区小学教师的人格特征与心理健康问题的关系进行了研究。研究结果表明:(1)苏中地区小学教师的人格特征与其心理健康状况显著相关。(2)苏中地区小学教师人格特征的N分、P分和E分因子进入心理健康因子的回归方程,是心理健康水平的关键性影响因素。(3)N分、P分和E分因子对心理健康的解释率为28.6%。 相似文献
20.
《Journal of Cognitive Psychology》2013,25(5):497-510
Repeatedly performing a temporal reproduction task has been reported to increase reproduced durations. We report the novel finding that the second reproduction in a series is selectively enhanced relative to the first. This was true regardless of whether the responses were discrete (separate start and stop responses) or contiguous (stop response is the start of the next response). In a final experiment we test the hypothesis that the second reproduction is more influenced by the central tendency of previously experienced durations than is the first. These results are discussed in terms of two sources of performance uncertainty: temporal remoteness of the second and subsequent reproductions from the standard and trial-by-trial unpredictability of the standard in random but not blocked designs. 相似文献