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371.
Hamid Vahid 《Metaphilosophy》2012,43(3):187-203
This article is concerned with the question of the nature of the epistemic liaison between experience and belief. The problem, often known as the problem of nondoxastic justification, is to see how a causal transition between experience and belief could assume a normative dimension, that is, how perceptual experience serves to justify beliefs about the world. Currently a number of theories have been proposed to resolve this problem. The article considers a particular solution offered by Tyler Burge which, among other things, introduces a new type of positive epistemic status or warrant, namely, entitlement. It contends that Burge's notion of entitlement cannot be of any help in resolving the problem of nondoxastic justification. Burge's account is compared and contrasted with other, similar, approaches to the problem of nondoxastic justification. 相似文献
372.
Young children are frequently exposed to sounds such as speech and music in noisy listening conditions, which have the potential to disrupt their learning. Missing input that is masked by louder sounds can, under the right conditions, be ‘filled in’ by the perceptual system using a process known as perceptual restoration. This experiment compared the ability of 4‐ to 6‐year‐old children, 9‐ to 11‐year‐old children and adults to complete a melody identification task using perceptual restoration. Melodies were presented either intact (complete input), with noise‐filled gaps (partial input; perceptual restoration can occur) or with silence‐filled gaps (partial input; perceptual restoration cannot occur). All age groups could use perceptual restoration to help them interpret partial input, yet perception was the most detrimentally affected by the presentation of partial input for the youngest children. This implies that they might have more difficulty perceiving sounds in noisy environments than older children or adults. Young children had particular difficulty using partial input for identification under conditions where perceptual restoration could not occur. These findings suggest that perceptual restoration is a crucial mechanism in young children, where processes that fill in missing sensory input represent an important part of the way meaning is extracted from a complex sensory world. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
373.
Panos Theodorou 《Phenomenology and the Cognitive Sciences》2006,5(3-4):303-320
Progressively Husserl started referring to the whole sphere of the life of intentional acts in terms of praxis. Perception, imagination, judgement, scientific consciousness, etc., are all seen as practices. What is the meaning of this move? A seemingly self-evident possibility is that intentionality is praxial, because even perception is not completely free from empty intending moments that demand fulfilment; and all fulfilment is attained by means of bodily activities that enable our senses to acquire the relevant contents. I reject this approach as insufficient and misguided. I argue that perception and intentionality in general is praxial because consciousness, in all of its constituting syntheses, is or becomes organized as a practice-structure. Intentional consciousness organizes its contents according to rules so as to accomplish the evident or true givenness of its intended correlates. 相似文献
374.
375.
采用家庭功能评价量表(FAI),Rosenberg自尊量表,对北京和西安4所普通中学的1317名初高中生及其父母进行调查。结果发现:(1)亲子间的家庭功能知觉存在中等程度的相似性,青少年与父亲和青少年与母亲间知觉的相似性无显著差异;(2)亲子间家庭功能知觉相似性的性别和年级差异显著,女孩与父母间知觉的相似性高于男孩,高一年级与父母知觉的相似性高于其他三个年级;家庭功能不同维度知觉相似性的表现不同;(3)不同性别和不同知觉相似性水平的青少年自尊得分差异显著;低相似性组个体的自尊分数显著低于高相似性组和一般组;亲子间在整体家庭功能和父母关注维度的相似性可显著预测青少年自尊。 相似文献
376.
M T Turvey H Y Solomon G Burton 《Journal of the experimental analysis of behavior》1989,52(3):387-407
The ecological approach to perception, as developed by James Gibson, is described and applied to how one knows, by means of the haptic perceptual system, various properties of hand-held objects. Four sets of experiments are reviewed in which subjects reported on the extent, orientation, shape, and fractional components of unseen objects wielded freely. For each task, an invariant specific to the object property in question is identified in the structured arrays of rotational moments and strains produced by the act of wielding. Results are discussed in relation to the concepts of attention and stimulation, as reformulated by the ecological approach, and the general theory of perception as information pickup. 相似文献
377.
In a conditional discrimination, 6 college students arranged six Cyrillic letters into groups of three based upon which of two additional Cyrillic letters (contextual stimuli) was present. All subjects demonstrated symmetry and transitivity within each class of equivalent stimuli. In a second conditional discrimination, two more Cyrillic letters were related to each contextual stimulus. Testing of symmetrical and transitive relations between the original contextual stimulus and the two new ones confirmed the development of two three-member classes of contextual stimuli. Subsequent tests demonstrated that the new contextual stimuli controlled the previously trained sample-comparison relations for all subjects. 相似文献
378.
Z G Sigurdardottir G Green R R Saunders 《Journal of the experimental analysis of behavior》1990,53(1):47-63
In Experiment 1, 3, adult females were taught with verbal instructions and contingencies to select, in sequence, three arbitrary visual stimuli from an array of five stimuli. After four different sequences were taught, match-to-sample tests assessed emergent conditional relations among all stimuli that had been selected in the same order in the sequences. Subjects' performances indicated development of four stimulus classes, three based on ordinal position and one based on nonselection. Next, match-to-sample training established conditional relations between each of four novel figures and one member of each of the ordinal stimulus classes. Tests confirmed that the classes were equivalence classes, each expanded by one new member. In subsequent sequence tests, the new stimuli were selected in a sequence that was consistent with ordinal class membership. Experiment 2 replicated Experiment 1 with 2 different adult females, but the verbal instructions were omitted. Results were similar to Experiment 1, except that extensive review and retesting were required before expansion of the ordinal classes with the novel figures was observed. 相似文献
379.
380.
A search for symmetry in the conditional discriminations of rhesus monkeys, baboons, and children. 总被引:22,自引:21,他引:1
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M Sidman R Rauzin R Lazar S Cunningham W Tailby P Carrigan 《Journal of the experimental analysis of behavior》1982,37(1):23-44
Procedures for generating arbitrary matching-to-sample performances may generate only conditional discriminations. Rational grounds for this distinction are proposed, based on the properties that any equivalence relation must possess. Empirical tests are described for determining whether subjects trained on conditional discriminations are also engaged in true matching to sample. A series of studies than leads to the conclusion that proof of true matching to sample by monkeys, pigeons, or baboons is yet to be provided. Whether the absence of such proof reflects experiential factors or species-defined limitations is not presently clear. 相似文献