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561.
《Quarterly journal of experimental psychology (2006)》2013,66(5):967-987
Three experiments investigated proactive interference and proactive facilitation in a memory-updating paradigm. Participants remembered several letters or spatial patterns, distinguished by their spatial positions, and updated them by new stimuli up to 20 times per trial. Self-paced updating times were shorter when an item previously remembered and then replaced reappeared in the same location than when it reappeared in a different location. This effect demonstrates residual memory for no-longer-relevant bindings of items to locations. The effect increased with the number of items to be remembered. With one exception, updating times did not increase, and recall of final values did not decrease, over successive updating steps, thus providing little evidence for proactive interference building up cumulatively. 相似文献
562.
William F. Perez Sunna P. de Azevedo Cainã T. Gomes Christian Vichi 《Journal of the experimental analysis of behavior》2021,115(1):405-420
Contextual control is a key aspect in equivalence research to support the claim that stimuli may have multiple functions or symbols may have multiple meanings. The present study investigated the contextual control of multiple derived stimulus functions in two experiments. In Experiment 1, equivalence classes were formed and one stimulus set from each class was used to establish two different functions: one via positive reinforcement (key-pressing) and another via negative reinforcement (button clicking), both under contextual control of two different background colors. Later, other stimuli from the equivalence class were presented on those background colors and contextual control of multiple derived stimulus functions was assessed. Experiment 2 added a third background in which no programmed response was reinforced, that is, responses were extinguished. Transfer-of-function tests revealed contextual control of three different functions, including derived extinction. Implications for equivalence relations as a behavior-analytical model of symbolic functioning are discussed. 相似文献
563.
The purpose of the present study was to investigate the effect of learner-adapted practice schedule and task similarity on intrinsic motivation and motor learning in older adults. For this purpose, 60 right-handed older adults were randomly divided into six groups of blocked-similar, learner-adapted-similar, random-similar, blocked-dissimilar, learner-adapted-dissimilar, and random-dissimilar. Sequential timing was used as the task, and the intrinsic motivation questionnaire was used for measuring individuals' motivation. The learner-adapted practice was included performing the task in a combination of blocked, serial, and random orders according to error number in each block. The results showed that the learner-adapted practice significantly outperformed than other practice schedules in motivation and motor learning measures in similar and dissimilar conditions. Also, the random schedule resulted in superior performance than the blocked schedule in similar and dissimilar conditions. These findings were discussed according to the challenge point framework. 相似文献
564.
One of the most vexing challenges facing developmental researchers today is the statistical modeling of two or more behaviors as they unfold jointly over time. Although quantitative methodologists have studied these issues for more than half a century, no widely agreed-upon principled strategy exists to empirically analyze codevelopmental processes. Indeed, the plethora of available options makes selecting a specific analytic approach both confusing and overwhelming. In this article, we argue that a key step in adjudicating among alternative modeling strategies is to embrace the concept of within- and between-person components of change over time. First, we define the disaggregation of effects in grouped data, and then we extend these concepts to repeated measures. Then we review several available modeling strategies that capture these effects to varying degrees and raise three issues that can help to guide practice. 相似文献
565.
Mollie Hamilton Ashley Ross Erik Blaser Zsuzsa Kaldy 《Wiley Interdisciplinary Reviews: Cognitive Science》2022,13(3):e1593
Working memory (WM), the ability to maintain information in service to a task, is characterized by its limited capacity. Several influential models attribute this limitation in a large extent to proactive interference (PI), the phenomenon that previously encoded, now-irrelevant information competes with relevant information. Here, we look back at the adult PI literature, spanning over 60 years, as well as recent results linking the ability to cope with PI to WM capacity. In early development, WM capacity is even more limited, yet an accounting for the role of PI has been lacking. Our Focus Article aims to address this through an integrative account: since PI resolution is mediated by networks involving the frontal cortex (particularly, the left inferior frontal gyrus) and the posterior parietal cortex, and since children have protracted development and less recruitment of these areas, the increase in the ability to cope with PI is a major factor underlying the increase in WM capacity in early development. Given this, we suggest that future research should focus on mechanistic studies of PI resolution in children. Finally, we note a crucial methodological implication: typical WM paradigms repeat stimuli from trial-to-trial, facilitating, inadvertently, PI and reducing performance; we may be fundamentally underestimating children's WM capacity. This article is categorized under:
- Psychology > Memory
- Neuroscience > Cognition
- Neuroscience > Development
566.
ObjectiveWhen we perform dual-tasks in daily life, task performance is generally reduced. As these reductions in performance (i.e., dual-task interference) are responsible for various accidents such as falls, the repeated practice of dual-task (i.e., dual-task training) is often implemented to reduce dual-task interference. However, the risk of various accidents increases with longer dual-task training, as dual-task interference cannot be avoided. Therefore, it is important to achieve training goals more rapidly during dual-task training. This study sought to determine whether a combination of dual-task training and cognitive tasks would accelerate training effects.DesignThe experimental design included four groups: 1) cognitive task training group, 2) dual-task training group, 3) cognitive task and dual-task training group, and 4) non training group.MethodWe assessed single- and dual-task performance before and after the 2-week training sessions. We adopted a dual-task involving knee extension and an auditory reaction, and used N-back task as a cognitive task. On the other hand, dual-task training was the same method to assess dual-task performance.ResultDual-task interference was reduced in all groups in both the tasks. However, the number of participants in the cognitive task and dual-task training group who achieved a reduction in dual-task cost was significantly higher than those in other groups.ConclusionThese findings could contribute to the development of an effective method for reducing dual-task interference and resolving issues caused by dual-task interference in daily life. 相似文献
567.
568.
为了探究视觉负后像对视觉搜索效率是否会通过颜色这一特征产生干扰,结合Van Lier后像和视觉搜索范式,通过两个实验考察了负后像对视觉搜索效率的干扰效应,并对负后像填充区域和原始发生区域进行了对比。实验结果表明,在有负后像的情况下,视觉搜索效率明显降低,但是不同颜色之间的差异并不显著;而负后像填充区域的干扰效应要弱于原始发生区域。研究结论对于进一步提高视觉搜索效率的颜色设计以及视觉负后像的新研究方法具有重要的参考意义。 相似文献
569.
研究旨在考察映射具体性对新颖隐喻加工的影响及语境线索的作用,并进一步探索映射具体性高的隐喻加工困难的原因。实验1的ERPs结果发现：知觉隐喻反应时显著长于物理-心理隐喻和直接语义;两类隐喻在有语境线索下的反应时显著长于无语境线索。有语境线索的知觉隐喻比无语境线索在前部位置诱发了更负的N400成分,在中部诱发了更正的LPC成分;有语境线索的物理-心理隐喻在前部、顶部比无语境线索诱发了更正LPC成分。实验2的语义判断任务结果发现：在映射具体性不同的两类隐喻中,多映射通路隐喻的反应时均显著长于单一映射通路隐喻。总体结果支持语境线索对新颖隐喻加工的干扰效应。 相似文献
570.
对511名初二年级的流动儿童（平均年龄：14.37±0.78岁）及其家长进行问卷调查,考察累积情境风险与流动儿童主观幸福感的关系,及自尊、心理弹性和情绪调节等个体保护因子的作用方式差异及累积效应。结果发现：（1）累积情境风险负向预测流动儿童主观幸福感,各领域风险预测作用由大到小依次是家庭关系风险、同伴风险和学校风险,家庭社会经济地位风险预测作用不显著;（2）自尊在各领域风险与主观幸福感的关系中均发挥补偿效应;心理弹性在同伴、学校领域风险中发挥补偿效应,在家庭关系领域风险中发挥保护效应;情绪调节仅在同伴领域风险中发挥保护效应;（3）个体面临的风险数越多,具备的保护因子数越少,流动儿童主观幸福感越低。 相似文献