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881.
SIMON J. EVNINE 《Metaphilosophy》2008,39(2):185-202
Abstract: In this article I distinguish the notion of there being something it is like to be a certain kind of creature from that of there being something it is like to have a certain kind of experience. Work on consciousness has typically dealt with the latter while employing the language of the former. I propose several ways of analyzing what it is like to be a certain kind of creature and find problems with them all. The upshot is that even if there is something it is like to have certain kinds of experience, it does not follow that there is anything it is like to be a certain kind of creature. Skepticism about the existence of something that it is like to be an F is recommended. 相似文献
882.
Weaver R 《Cognitive Science》2008,32(8):1349-1375
Model validation in computational cognitive psychology often relies on methods drawn from the testing of theories in experimental physics. However, applications of these methods to computational models in typical cognitive experiments can hide multiple, plausible sources of variation arising from human participants and from stochastic cognitive theories, encouraging a "model fixed, data variable" paradigm that makes it difficult to interpret model predictions and to account for individual differences. This article proposes a likelihood-based, "data fixed, model variable" paradigm in which models are treated as stochastic processes in experiments with participant-to-participant variation that can be applied to a broad range of mechanistic cognitive architectures. This article discusses the implementation and implications of this view in model validation, with a concrete focus on a simple class of ACT-R models of cognition. This article is not intended as a recipe for broad application of these preliminary, proof-of-concept methods, but as a framework for communication between statisticians searching for interesting problems in the cognitive modeling sphere, and cognitive modelers interested in generalizing from deterministic to stochastic model validation, in the face of random variation in human experimental data. 相似文献
883.
We assessed the effect of suggestion on the Deese–Roediger–McDermott paradigm and associated it with the Remember–Know–Guess paradigm. Undergraduate students were given either lists of semantically related words or texts containing these words. After the recall task, if participants did not produce the critical lure, the experimenter suggested that the word had been present, using either a question (moderate suggestion) or an assertion (strong suggestion); these conditions were compared to a condition without suggestion. Afterwards, participants took a recognition test. The results showed that strong suggestions lead to more false recognitions than other conditions and the state of consciousness associated with false recognitions tends to be a feeling of knowing rather than remembering, regardless of the verbal version (list or text). Therefore moderate suggestions did not lead to more false recognitions compare to no suggestion. We discuss the impact of suggestion on consciousness associated with false memories. 相似文献
884.
Sebastian Wallot 《Multivariate behavioral research》2019,54(2):173-191
In this paper, Multidimensional Cross-Recurrence Quantification Analysis (MdCRQA) is introduced. It is an extension of Multidimensional Recurrence Quantification Analysis (MdRQA), which allows to quantify the (auto-)recurrence properties of a single multidimensional time-series. MdCRQA extends MdRQA to bi-variate cases to allow for the quantification of the co-evolution of two multidimensional time-series. Moreover, it is shown how a Diagonal Cross-Recurrence Profile (DCRP) can be computed from the MdCRQA output that allows to capture time-lagged coupling between two multidimensional time-series. The core concepts of these analyses are described, as well as practical aspects of their application. In the supplementary materials to this paper, implementations of MdCRQA and the DCRP as MatLab- and R-functions are provided. 相似文献
885.
James S. Kintz 《British Journal for the History of Philosophy》2019,27(1):3-22
Thomas Aquinas argues that the agent intellect's function is to abstract an intelligible species from a phantasm. However, insofar as he claims that the intelligible species is not present in the phantasm, it is unclear how the agent intellect accomplishes this task. In this paper I explore two models of abstraction – the extraction model and the production model – suggesting that each fails to capture Aquinas’ understanding of abstraction. I then offer my own interpretation of the function of the agent intellect – the illumination model – by employing Aquinas’ comparison of the agent intellect to light. I argue that the agent intellect neither extracts nor produces an intelligible species, but rather makes the nature that is already present in the object intelligible by actualizing its passive power of intelligibility. This involves the co-actualization of partner powers in the intellect and in the intelligible object, and ultimately makes it possible to cognize a particular, material object in a universal way. 相似文献
886.
外界环境中物体位置与空间关系在记忆中如何表征,一直是空间认知研究领域探讨和争论的热点问题。该文从空间表征的参照框架、朝向特异性、组织结构和存储内容四个方面,系统回顾了近年来对空间表征形成机制与内在特征的理论探讨。在此基础上,进一步讨论了当前空间表征研究中存在的生态效度问题,以及以后将虚拟环境技术引入到空间认知研究中的发展趋势 相似文献
887.
同情在亚当·斯密伦理思想中的作用 总被引:2,自引:0,他引:2
亚当.斯密是18世纪的著名道德哲学家和西方古典经济学的奠基人。同情在亚当.斯密的伦理思想体系中具有多种意义。同情不仅是亚当.斯密建构和评价其道德情操的工具,而且成为其经济伦理的认识论基础。斯密的同情论为我们把握"亚当.斯密问题"提供了一个独特的视角。 相似文献
888.
通常在追溯实践哲学传统时,都会上寻到古希腊的亚里士多德哲学,然后就会跨过中世纪哲学而直接到近代哲学的传统,因而往往忽略了中世纪哲学传统对实践哲学的影响。然而,事实并非如此。该文选取深受亚里士多德哲学思想影响的中世纪著名哲学家托马斯·阿奎那为分析对象,以《神学大全》中论述人的部分为基础,着重阐释他从实践伦理学角度对实践一行为的三重区分。同时,本文也指出在托马斯·阿奎那的思想中,实践与制作也不可以等同.即.作为伦理行为的实践与作为机械工艺的制作所遵循的原则是不同的. 相似文献
889.
Swanson JM Kinsbourne M Nigg J Lanphear B Stefanatos GA Volkow N Taylor E Casey BJ Castellanos FX Wadhwa PD 《Neuropsychology review》2007,17(1):39-59
Multiple theories of Attention-Deficit/Hyper- activity Disorder (ADHD) have been proposed, but one that has stood the test
of time is the dopamine deficit theory. We review the narrow literature from recent brain imaging and molecular genetic studies
that has improved our understanding of the role of dopamine in manifestation of symptoms of ADHD, performance deficits on
neuropsychological tasks, and response to stimulant medication that constitutes the most common treatment of this disorder.
First, we consider evidence of the presence of dopamine deficits based on the recent literature that (1) confirms abnormalities in dopamine-modulated frontal-striatal circuits, reflected
by size (smaller-than-average components) and function (hypoactivation); (2) clarifies the agonist effects of stimulant medication
on dopaminergic mechanisms at the synaptic and circuit level of analysis; and (3) challenges the most-widely accepted ADHD-related
neural abnormality in the dopamine system (higher-than-normal dopamine transporter [DAT] density). Second, we discuss possible
genetic etiologies of dopamine deficits based on recent molecular genetic literature, including (1) multiple replications that confirm the association of ADHD with
candidate genes related to the dopamine receptor D4 (DRD4) and the DAT; (2) replication of differences in performance of neuropsychological
tasks as a function of the DRD4 genotype; and (3) multiple genome-wide linkage scans that demonstrate the limitations of this
method when applied to complex disorders but implicate additional genes that may contribute to the genetic basis of ADHD.
Third, we review possible environmental etiologies of dopamine deficits based on recent studies of (1) toxic substances that may affect the dopamine system in early development and contribute substantially
to the etiology of ADHD; (2) fetal adaptations in dopamine systems in response to stress that may alter early development
with lasting effects, as proposed by the developmental origins of health and disease hypothesis; and (3) gene-environment
interactions that may moderate selective damage or adaptation of dopamine neurons. Based on these reviews, we identify critical
issues about etiologic subtypes of ADHD that may involve dopamine, discuss methods that could be used to address these issues,
and review old and new theories that may direct research in this area in the future. 相似文献
890.
This study was aimed at revealing which cognitive processes are lateralized in visual categorizations of "humans" by pigeons. To this end, pigeons were trained to categorize pictures of humans and then tested binocularly or monocularly (left or right eye) on the learned categorization and for transfer to novel exemplars (Experiment 1). Subsequent tests examined whether they relied on memorized features or on a conceptual strategy, using stimuli composed of new combinations of familiar and novel humans and backgrounds (Experiment 2), whether the hemispheres processed global or local information, using pictures with different levels of scrambling (Experiment 3), and whether they attended to configuration, using distorted human figures (Experiment 4). The results suggest that the left hemisphere employs a category strategy and concentrates on local features, while the right hemisphere uses an exemplar strategy and relies on configuration. These cognitive dichotomies of the cerebral hemispheres are largely shared by humans, suggesting that lateralized cognitive systems already defined the neural architecture of the common ancestor of birds and mammals. 相似文献