工作记忆对知觉类别学习的影响:问题与构想

人们学习将感知到的客体按照不同的标准或规则分类存储,即类别学习。而工作记忆作为多种认知加工的基础,对类别学习具有重要作用。基于已有研究,分别梳理了言语工作记忆和视空工作记忆对基于规则和信息整合类别结构的影响。目前,执行功能是否影响内隐类别学习系统、工作记忆负荷对内隐外显类别学习系统的影响是否一致还存在争议。此外,工作记忆影响知觉类别学习的认知加工阶段尚不清晰。未来的研究还需明确工作记忆负荷对内隐和外显类别学习的影响,进一步验证工作记忆影响类别学习的认知加工阶段假设的合理性。     

义符启动范式下家族大小和类别一致性对义符语义激活的影响

采用义符启动范式,考察不同加工深度任务中家族大小和类别一致性对义符语义激活的影响。结果发现:在词汇判断中,家族大小影响义符的语义激活,大家族义符的语义不容易激活,小家族义符的语义容易激活。在语义相关判断中,类别一致性影响义符的语义激活,类别一致性高的义符的语义容易激活,并且在错误率上,这一影响受义符的家族大小调节。义符类别一致性影响义符家族效应的作用方向:当类别一致性低时,出现抑制的家族效应;当类别一致性高时,家族效应无影响或表现为促进作用。     

Test of a potential link between analytic and nonanalytic category learning and automatic, effortful processing

The link between automatic and effortful processing and nonanalytic and analytic category learning was evaluated in a sample of 29 college undergraduates using declarative memory, semantic category search, and pseudoword categorization tasks. Automatic and effortful processing measures were hypothesized to be associated with nonanalytic and analytic categorization, respectively. Results suggested that contrary to prediction strong criterion-attribute (analytic) responding on the pseudoword categorization task was associated with strong automatic, implicit memory encoding of frequency-of-occurrence information. Data are discussed in terms of the possibility that criterion-attribute category knowledge, once established, may be expressed with few attentional resources. The data indicate that attention resource requirements, even for the same stimuli and task, vary depending on the category rule system utilized. Also, the automaticity emerging from familiarity with analytic category exemplars is very different from the automaticity arising from extensive practice on a semantic category search task. The data do not support any simple mapping of analytic and nonanalytic forms of category learning onto the automatic and effortful processing dichotomy and challenge simple models of brain asymmetries for such procedures.     

The relationship between strategic control and conscious structural knowledge in artificial grammar learning

We address Jacoby’s (1991) proposal that strategic control over knowledge requires conscious awareness of that knowledge. In a two-grammar artificial grammar learning experiment all participants were trained on two grammars, consisting of a regularity in letter sequences, while two other dimensions (colours and fonts) varied randomly. Strategic control was measured as the ability to selectively apply the grammars during classification. For each classification, participants also made a combined judgement of (a) decision strategy and (b) relevant stimulus dimension. Strategic control was found for all types of decision strategy, including trials where participants claimed to lack conscious structural knowledge. However, strong evidence of strategic control only occurred when participants knew or guessed that the letter dimension was relevant, suggesting that strategic control might be associated with – or even causally requires – global awareness of the nature of the rules even though it does not require detailed knowledge of their content.     

学习因素对语义信息加工性质的影响

本研究通过两个行为实验,采用句子核证作业,将SAD技术和范畴学习范式有机地结合起来,对语义信息加工进程以及学习因素在其中的作用进行了考察。实验一研究了熟悉性对语义信息加工的影响。结果表明,高熟悉句的部分信息积累具有离散的趋势;低熟悉句的部分信息积累是连续性的。实验二采用范畴学习。并结合SAD技术的句子核证作业．考察了在学习过程中语义加工性质的变化。结果发现：过度学习比初始学习有更多的部分信息积累,并随信号间隔的延长而逐渐增加;过度学习表现出部分信息积累的离散性变化;初始学习则表现出连续累积的趋势。说明学习确实造成了连续性加工向离散性质的过渡。     

Access to attitude-relevant information in memory as a determinant of persuasion: The role of message attributes

Recipients with access to attitude-relevant information in memory were thought to draw on these beliefs and prior experiences to evaluate the validity of message arguments. Consistent with this idea, persuasion for these recipients was largely a function of the perceived validity of message content: Messages containing high-quality arguments were more persuasive than messages containing lowquality arguments, whereas variations in a structural attribute of the message (its length) proved to have little impact on opinion change. In contrast, people who tend to retrieve little attitude-relevant information were believed to be less able to evaluate the validity of message arguments in terms of information accessed from memory. Instead, it was anticipated that they would base their opinion judgments on a more superficial analysis of persuasion cues, focusing on attributes like message length. Consistent with this reasoning, these recipients were more persuaded by long than short messages. Recipients with moderate levels of retrieval functioned much like the high-retrieval subjects.     

The effect of respondents' nationality and familiarity with a product category on the importance of product attributes in consumer choice: Globalization and the evaluation of domestic and foreign products

This study compared the perceptions of 376 Japanese and 191 Canadian consumers concerning the importance of different product attributes for categories of products at various stages of globalization. There was less multivariate statistical difference between the two countries for those products at a more advanced stage of globalization (consumer electronics and clothing vs. food). The joint effects of the degree of familiarity with the category of product and the country of the respondent on the importance of the product attributes were tested. The effect of familiarity was found to result in a significant statistical multivariate difference for the clothing category only. The observed statistical power of the effect of country of respondent confirmed that more statistical difference was apparent for the least globalized product. No multivariate significant statistical interaction was found between familiarity and country of respondent. Using a multi-attribute model, the evaluation of the three categories of product was computed for seven different countries of manufacture. Comparison of the total scores of each country for each product category for the Japanese and the Canadian samples confirmed that the most globalized product showed least difference in its evaluation between countries of manufacture. A well-known strong bias toward domestic products was, however, observed in both samples.     

The role of logical and nonlogical factors in making inferences about category membership

Three postulates are proposed concerning the manner in which persons infer the validity of propositions that do not necessarily follow logically from the information available. These postulates assume that subjects first attempt to identify the propositions that are most and least likely to follow from the information given. They then use their beliefs in these propositions as anchors, relative to which the validity of other propositions is evaluated on the basis of both logical and nonlogical criteria. Two experiments are reported in which these postulates are used successfully to diagnose the logical and nonlogical factors that underlie inferences based upon both single statements and sets of syllogistically related propositions. The implications of the proposed postulates for existing formulations of social inference and cognitive organization are discussed.     

Attention and expectation in human predictive learning: The role of uncertainty

Three localized, visual pattern stimuli were trained as predictive signals of auditory outcomes. One signal partially predicted an aversive noise in Experiment 1 and a neutral tone in Experiment 2, whereas the other signals consistently predicted either the occurrence or absence of the noise. The expectation of the noise was measured during each signal presentation, and only participants for whom this expectation demonstrated contingency knowledge showed differential attention to the signals. Importantly, when attention was measured by visual fixations, the contingency-aware group attended more to the partially predictive signal than to the consistent predictors in both experiments. This profile of visual attention supports the Pearce and Hall (1980) Pearce, J. M. and Hall, G. 1980. A model for Pavlovian learning: Variations in the effectiveness of conditioned but not unconditioned stimuli. Psychological Review, 87: 532–552. [Crossref], [PubMed], [Web of Science ®] , [Google Scholar] theory of the role of attention in associative learning.     

The relation of congruence,differentiation, and consistency to interest and aptitude scores in women with stable and unstable vocational choices

This study examined by canonical variate analysis the relation between congruence, differentiation, and consistency, and academic aptitude and vocational interests for 280 women with stable vocational choices over 4 years and 327 women with unstable vocational choices over 4 years. Findings offered support for the importance of congruence in stable women; differentiation and consistency operated similarly for women with stable and unstable choices.     

The role of collaborative planning in children's source-monitoring errors and learning.

The aim of this research was to provide empirical evidence for a cognitive process that may contribute to children's learning from another person. A cornerstone of Vygotsky's sociocultural theory is that knowledge is internalized from others; however, the cognitive processes that support this transformation are underspecified. In a series of three studies, kindergarten children (mean age 5 years 8 months) participated in a categorization task with an adult in several collaborative and noncollaborative conditions and then were tested on their memory of who had performed which actions in the task. After the memory task, children were asked to recategorize the items on their own. Source-monitoring patterns and children's learning varied across conditions according to predictions. A measure of recoding was related to children's planning language that, in turn, predicted learning among the children. The results suggest that one process that contributes to children's internalization of knowledge may involve recoding of agent information and that recoding can be indexed by source-monitoring performance.     

The role of control processes and structural constraints in models of memory and social judgment

Six experiments examining a recent model of memory and social judgment are reported. In particular, the theoretical concept of a Work Space is examined in terms of both its structural properties and a variety of control processes that govern its operation. In Experiment 1, subjects were given information about a stimulus person and told that they would later be asked to recall it as well as possible. The length of the actual delay before recall and the length of the anticipated delay were factorially varied. Under short delay conditions, subjects anticipating a short delay recalled more of the information than those anticipating a long delay. The reverse was true under actual long delay conditions. Other results suggest that the anticipated length of the delay has an effect on processes related to both encoding and storage/retrieval. Experiments 2 and 3 demonstrate that, relative to no delay conditions, a long actual delay or a long anticipated delay produces polarization in social judgments. Both of these results are predicted by the model. Experiments 4–6 examine the effect of interpolated cognitive activity on memory and social judgment. As predicted by the model, relatively complicated cognitive activity leads to lower levels of recall and a greater polarization of judgments than less complicated intervening cognitive activity. It is argued that all of these results can be accounted for by the concept of a Work Space as a temporary repository devoted to the current information processing activities of the subject. It is thought that such a concept must be kept theoretically distinct from long-term memory. Implications of the results for models of memory and social judgment are discussed.     

The role of context in preschool learning: a multilevel examination of the contribution of context-specific problem behaviors and classroom process quality to low-income children's approaches to learning

Research suggests that promoting adaptive approaches to learning early in childhood may help close the gap between advantaged and disadvantaged children. Recent research has identified specific child-level and classroom-level variables that are significantly associated with preschoolers' approaches to learning. However, further research is needed to understand the interactive effects of these variables and determine whether classroom-level variables buffer the detrimental effects of child-level risk variables. Using a largely urban and minority sample (N = 275) of preschool children, the present study examined the additive and interactive effects of children's context-specific problem behaviors and classroom process quality dimensions on children's approaches to learning. Teachers rated children's problem behavior and approaches to learning and independent assessors conducted classroom observations to assess process quality. Problem behaviors in structured learning situations and in peer and teacher interactions were found to negatively predict variance in approaches to learning. Classroom process quality domains did not independently predict variance in approaches to learning. Nonetheless, classroom process quality played an important role in these associations; high emotional support buffered the detrimental effects of problem behavior, whereas high instructional support exacerbated them. The findings of this study have important implications for classroom practices aimed at helping children who exhibit problem behaviors.     

Effectiveness in top management group meetings: The role of goal clarity,focused communication,and learning behavior

Bang, H., Fuglesang, S. L., Ovesen, M. R. & Eilertsen, D. E. (2010). Effectiveness in top management group meetings: The role of goal clarity, focused communication, and learning behavior. Scandinavian Journal of Psychology, 51, 253–261. To explore the relationship between goal clarity, focused communication, learning behavior, and team effectiveness (i.e., task performance, relationship quality, and member satisfaction), self‐report and observer data from eight top management groups that processed 56 agenda items during meetings were analyzed. We found that goal clarity and focused communication was positively related to team effectiveness. The effect of goal clarity on team effectiveness was partially mediated by focused communication. Speaking up when a goal was unclear increased focused communication, task performance and relationship quality. Speaking up when the discussion was off track was not related to task performance and member satisfaction, and was negatively related to relationship quality. These findings have implications for how to conduct an effective management meeting.     

The relationship between the quality of cooperative learning, students' goal preferences, and perceptions of contextual factors in the classroom

This study examined relationships between the quality of cooperative learning (CL) and students' goal preferences and perceptions of contextual factors in the classroom. Subjects were 1,920 students in secondary vocational schools. The study focused on four different types of goals: social support, belongingness, mastery, and superiority goals. It was found that social support goals had the strongest relation with the quality of CL. Further we found that the quality of CL was best predicted by a combination of social support goals, evaluations of the extent that students were taught cooperation skills, perception of teacher monitoring behavior, and the availability of academic and emotional peer support. Female students' preferences for mastery and social goals were stronger than those of male students, whereas male students had a stronger preference for superiority goals. Program type functioned as a moderator variable within the relation of students' superiority/ individuality goals and the quality of CL.     

The role of R-S1 expectancy in discrimination and discrimination reversal learning

Four experiments assessed the role of response-reinforcement (R-S¹) expectancy as rats either learned a discrimination or a discrimination reversal. Experiment 1 showed that the higher the percentage of reinforcement during nondiscriminative pretraining the more quickly a subsequent discrimination is learned. Experiment 2 demonstrated that the overlearning reversal effect (ORE) can be obtained even though the overtraining phase consists of responses to a single neutral card. In Experiment 3 subjects were again overtrained on a single neutral stimulus under conditions of varying reinforcement. ORE was apparent under reinforcement of a high percentage of responses but was not apparent under reinforcement of a low percentage. Experiment 4 revealed that the fewer errors a subject makes prior to reversal the better its reversal performance is. Results of these studies were discussed in terms of generalized attention theories and the expectancy notions of Bolles (Psychological Review, 1972, 79(5), 394–409.     

The role of discourse context in developing word form representations: a paradoxical relation between reading and learning

To acquire representations of printed words, children must attend to the written form of a word and link this form with the word's pronunciation. When words are read in context, they may be read with less attention to these features, and this can lead to poorer word form retention. Two experiments with young children (ages 5-8 years) confirmed this hypothesis. In our experiments, children attempted to read words they could not previously read, during a self-teaching period, either in context or in isolation. Later they were tested on how well they learned the words as a function of self-teaching condition (isolation or context). Consistent with previous research, children read more words accurately in context than in isolation during self-teaching; however, children had better retention for words learned in isolation. Furthermore, this benefit from learning in isolation was larger for less skilled readers. This effect of poorer word retention when words are learned in context is paradoxical because context has been shown to facilitate word identification. We discuss factors that may influence this effect of context, especially the role of children's skill level and the demands of learning new word representations at the beginning of reading instruction.     

《黄帝内经》中的易学象数学--兼论医、《易》思维理路之异同

<黄帝内经>中有丰富的<易>学象数学内容.<内经>吸纳<易>学的"三才"之道,作为其理论建构的基础,蕴含着天人同构、天人之气相通的"天人合一"理念.天人相应是通过动态的阴阳的消息、四时的更替、五行的运转、八风的常正转换、及五运六气的运行来具体展现的.医、<易>皆注重"时"的作用,但<内经>更注重五行之间的生克制化,而<易>则更重阴阳之间的对待与流行.<内经>理论与八卦"卦气"说有内在的联系.医、<易>皆注重天人合一,但前者更注重人与天的自然的合一,注重天地自然对人的生理病理的影响,而后者注重本天道以立人道,开天文以立人文,充满着浓郁的人文关怀.两种"天人合一"的思维理路非但没有根本的矛盾,而且具有内在的联系.人类可以同时追求人与天的自然的与人文的合一.     

Fundamentalism and the masculine body: The case of Jewish Ultra-Orthodox men in Israel

The predominant model in the literature on fundamentalism focuses on the tense relationship between contemporary radical religious movements and their environment. The characteristic violence that has made fundamentalism notorious is conventionally explained in terms of defensive or offensive reactions to the challenge of the modern secular society. In light of recent developments in the fundamentalist world, we propose to employ a novel analytic framework to update and revise the current conceptualization. Our argumentation is based on extensive fieldwork in a particular case of Jewish fundamentalism. We introduce into the agenda of fundamentalism research a category conspicuously absent thus far: the body. Results of ethnographic study of Ultra-Orthodoxy in Israel throw light on the very existence of fundamentalist body, and emphasize its implications for better understanding the fundamentalist predicament. The body poses a major problem to fundamentalists and plays a key role in their typical behavior and particularly in their violence. Discussing fundamentalism in terms of the body allows us to see its militancy as a solution to intra-fundamentalist problems that emerge in advanced stages of the movements' life, on the one hand, and paradoxically as a means towards reconciliation with the movements' environment normally regarded as its enemy, on the other hand. In the case presented here the fundamentalist violence is manifested in various hitherto unexplored ways including an enthusiastic service in the military of the nation-state. Such peculiar violence indicates present-day fundamentalist experimentation in an attempt to establish new possibilities of coming to terms with ever changing social and political reality, while at the same time to pursue revolutionary options of radical religious experience.