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101.
102.
The biological foundations of cognitive science 总被引:1,自引:0,他引:1
Mark H. Bickhard 《New Ideas in Psychology》2009,27(1):75-84
Cognitive Science originated in reactions against behaviorism that were motivated in significant part by the example of the computer. The computer raised the exciting possibility that mind could be understood almost entirely independently of brain: if the operations of the mind are akin to the execution of a program, then almost all the relevant aspects of mind would be captured by that program, independently of whatever was running it, be it transistors or neurons. This presumed independence of cognitive science from biology has waned considerably in recent decades, but in this paper, I argue that there is at least one crucial aspect of biology that has yet to be appreciated for its relevance to mental and other normative processes—the thermodynamics of living systems. In particular, I argue that the emergence of normativity in general—and normative function and representation in particular—depends on special systems that are far from thermodynamic equilibrium; these form the interface between the factual world of atoms and molecules and the normative world of mind. The nature of that emergence, in turn, imposes strong constraints on how the central nervous system functions, and, therefore, on how cognition is realized. 相似文献
103.
Successful investors seeking returns, animals foraging for food, and pilots controlling aircraft all must take into account how their current decisions will impact their future standing. One challenge facing decision makers is that options that appear attractive in the short-term may not turn out best in the long run. In this paper, we explore human learning in a dynamic decision making task which places short- and long-term rewards in conflict. Our goal in these studies was to evaluate how people’s mental representation of a task affects their ability to discover an optimal decision strategy. We find that perceptual cues that readily align with the underlying state of the task environment help people overcome the impulsive appeal of short-term rewards. Our experimental manipulations, predictions, and analyses are motivated by current work in reinforcement learning which details how learners value delayed outcomes in sequential tasks and the importance that “state” identification plays in effective learning. 相似文献
104.
The current study examined the abilities of children (6 and 8 years of age) and adults to freely categorize and label dynamic bodily/facial expressions designed to portray happiness, pleasure, anger, irritation, and neutrality and controlled for their level of valence, arousal, intensity, and authenticity. Multidimensional scaling and cluster analyses showed that children (n = 52) and adults (n = 33) structured expressions in systematic and broadly similar ways. Between 6 and 8 years of age, there was a quantitative, but not a qualitative, improvement in labeling. When exposed to rich and dynamic emotional cues, children as young as 6 years can successfully perceive differences between close expressions (e.g., happiness, pleasure), and can categorize them with clear boundaries between them, with the exception of irritation, which had fuzzier borders. Children’s classifications were not reliant on lexical semantic abilities and were consistent with a model of emotion categories based on their degree of valence and arousal. 相似文献
105.
Aggressive responding following benzodiazepine ingestion has been recorded in both experimental and client populations, however, the mechanism responsible for this outcome is unclear. The goal of this study was to identify an affective concomitant linked to diazepam‐induced aggression that might be responsible for this relationship. Thirty males (15 diazepam and 15 placebo) participated in the Taylor Aggression Paradigm while covertly being videotaped. The videotapes were analyzed using the Facial Action Coding System with the goal of identifying facial expression differences between the two groups. Relative to placebo participants, diazepam participants selected significantly higher shock settings for their opponents, consistent with past findings using this paradigm. Diazepam participants also engaged in significantly fewer appeasement expressions (associated with the self‐conscious emotions) during the task, although there were no group differences for other emotion expressions or for movements in general. Aggr. Behav. 35:203–212, 2009. © 2008 Wiley‐Liss, Inc. 相似文献
106.
“认知科学”与“第二代认知科学”刍议 总被引:6,自引:0,他引:6
以计算隐喻为核心假设的传统认知心理学以及联结主义心理学均不能克服离身心智(disembodied mind)的根本缺陷,当代认知心理学正面临着新的范型转换。以具身性和情境性为重要特征的第二代认知科学将日受重视,并促使认知神经科学进入新的发展阶段。作者认为在身心关系上应该坚持生理只是心理的必要条件,而非充分条件的立场,克服生理还原论的危险;应该重新审视基于二元论的生理机制这种说法;心理学传统中的科学主义和人文主义有可能在第二代认知科学强调认知情境性的基础上达成某种融合;第一代认知科学对意识的研究是不成功的,因为对知觉、注意、记忆、思维等心理过程的研究不能代替意识的研究,同时还应避免以意识内容的研究取代心理学研究的倾向。第二代认知科学中的动力系统理论关于变量(因素)之间的偶合(coupling)关系完全不同于变差分析中的变量之间的交互作用关系”,其动力系统模式可能更有助于破解意识的产生(涌现)之谜,并引发心理学研究的方法论的变革新潮。第二代认知科学的兴起将启发人们对身心关系、生理还原论、意识研究在心理学中的地位、人工智能对心智完全模拟的可能性等重大问题重新思考 相似文献
107.
We conducted two studies (Ns=52 and 60) to test the notion that the incentive salience of facial expressions of emotion (FEE) is a joint function of
perceivers’ implicit needs for power and affiliation and the FEE’s meaning as a dominance or affiliation signal. We used a
variant of the dot-probe task (Mogg & Bradley, 1999a) to measure attentional orienting. Joy, anger, surprise, and neutral
FEEs were presented for 12, 116, and 231 ms with backward masking. Implicit motives were assessed with a Picture Story Exercise.
We found that power-motivated individuals orient their attention towards faces signaling low dominance, but away from faces
that signal high dominance, and (b) that affiliation-motivated individuals show vigilance for faces signaling low affiliation
(rejection) and, to a lesser extent, orient attention towards faces signaling high affiliation (acceptance). 相似文献
108.
揭示情绪体验影响个体完成各种认知任务的认知神经机制是研究者关注的热点问题。以往研究主要采用问卷法和行为实验, 集中考察了焦虑对估算策略运用的影响, 但这种影响潜在的脑机制尚不清楚, 对焦虑以外的情绪体验与估算策略运用之间关系的研究也极其缺乏, 而情绪调节对估算策略运用影响方面的研究基本处于空白。本研究将采用面孔表情图片作为情绪刺激材料, 结合事件相关电位(event related potential, ERP)技术, 采用启动范式, 尝试从外显和内隐两个角度, 考察不同效价的情绪体验在估算策略运用过程中所起的作用, 进而揭示情绪调节影响估算策略执行的时间动态特征和大脑激活模式。这将有助于充分认识情绪体验影响估算策略运用的认知与脑机制, 为更好的优化估算策略运用效果提供实证依据。 相似文献
109.
Lisa A. Parr 《Animal cognition》2001,4(3-4):223-229
The ability to understand emotion in others is one of the most important factors involved in regulating social interactions
in primates. Such emotional awareness functions to coordinate activity among group members, enable the formation of long-lasting
individual relationships, and facilitate the pursuit of shared interests. Despite these important evolutionary implications,
comparative studies of emotional processing in humans and great apes are practically nonexistent, constituting a major gap
in our understanding of the extent to which emotional awareness has played an important role in shaping human behavior and
societies. This paper presents the results of two experiments that examine chimpanzees' responses to emotional stimuli. First,
changes in peripheral skin temperature were measured while subjects viewed three categories of emotionally negative video
scenes; conspecifics being injected with needles (INJ), darts and needles alone (DART), and conspecific directing agonism
towards the veterinarians (CHASE). Second, chimpanzees were required to use facial expressions to categorize emotional video
scenes, i.e., favorite food and objects and veterinarian procedures, according to their positive and negative valence. With
no prior training, subjects spontaneously matched the emotional videos to conspecific facial expressions according to their
shared emotional meaning, indicating that chimpanzee facial expressions are processed emotionally, as are human expressions.
Decreases in peripheral skin temperature, indicative of negative sympathetic arousal, were significantly lower when subjects
viewed the INJ and DART videos, compared to the CHASE videos, indicating greater negative arousal when viewing conspecifics
being injected with needles, and needles themselves, than when viewing conspecifics engaged in general agonism.
Accepted after revision: 8 April 2001
❚
Electronic Publication 相似文献
110.
Tomomi Fujimura Yoshi-Taka Matsuda Kentaro Katahira Masato Okada 《Cognition & emotion》2013,27(4):587-601
We investigated whether categorical perception and dimensional perception can co-occur while decoding emotional facial expressions. In Experiment 1, facial continua with endpoints consisting of four basic emotions (i.e., happiness–fear and anger–disgust) were created by a morphing technique. Participants rated each facial stimulus using a categorical strategy and a dimensional strategy. The results show that the happiness–fear continuum was divided into two clusters based on valence, even when using the dimensional strategy. Moreover, the faces were arrayed in order of the physical changes within each cluster. In Experiment 2, we found a category boundary within other continua (i.e., surprise–sadness and excitement–disgust) with regard to the arousal and valence dimensions. These findings indicate that categorical perception and dimensional perception co-occurred when emotional facial expressions were rated using a dimensional strategy, suggesting a hybrid theory of categorical and dimensional accounts. 相似文献