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161.
162.
叶峰 《Frontiers of Philosophy in China》2009,4(3):454-470
The Kripkean metaphysical modality (i.e. possibility and necessity) is one of the most important concepts in contemporary
analytic philosophy and is the basis of many metaphysical speculations. These metaphysical speculations frequently commit
to entities that do not belong to this physical universe, such as merely possible entities, abstract entities, mental entities
or qualities not realizable by the physical, which seems to contradict naturalism or physicalism. This paper proposes a naturalistic
interpretation of the Kripkean modality, as a naturalist’s response to these metaphysical speculations. It will show that
naturalism can accommodate the Kripkean metaphysical modality. In particular, it will show that naturalism can help to resolve
the puzzles surrounding Kripke’s a posteriori necessary propositions and a priori contingent propositions.
__________
Translated from Zhexue yanjiu 哲学研究 (Philosophical Researches), 2008, (1): 18–26 相似文献
163.
McIlvane WJ 《The Behavior analyst / MABA》2009,32(2):273-280
Throughout its history, laboratory research in the experimental analysis of behavior has been successful in elucidating and clarifying basic learning principles and processes in both humans and nonhumans. In parallel, applied behavior analysis has shown how fundamental behavior-analytic principles and procedures can be employed to promote desirable forms of behavior and to prevent or ameliorate undesirable forms in clinical, educational, and other settings. Less obviously, there has also emerged a small but identifiable bridging field that can potentially connect and inform both basic and applied behavior analysis. Although such translational behavior analysis uses laboratory methodologies, research targets are selected largely for their value in ultimate application to improve the human condition. I will discuss the distinction of translational behavior analysis from basic and applied behavior analysis and consider the potential contribution that translational research can make in the development of the science of behavior. 相似文献
164.
Analogical reasoning is an important component of intelligent behavior, and a key test of any approach to human language and cognition. Only a limited amount of empirical work has been conducted from a behavior analytic point of view, most of that within Relational Frame Theory (RFT), which views analogy as a matter of deriving relations among relations. The present series of four studies expands previous work by exploring the applicability of this model of analogy to topography-based rather than merely selection-based responses and by extending the work into additional relations, including nonsymmetrical ones. In each of the four studies participants pretrained in contextual control over nonarbitrary stimulus relations of sameness and opposition, or of sameness, smaller than, and larger than, learned arbitrary stimulus relations in the presence of these relational cues and derived analogies involving directly trained relations and derived relations of mutual and combinatorial entailment, measured using a variety of productive and selection-based measures. In Experiment 1 participants successfully recognized analogies among stimulus networks containing same and opposite relations; in Experiment 2 analogy was successfully used to extend derived relations to pairs of novel stimuli; in Experiment 3 the procedure used in Experiment 1 was extended to nonsymmetrical comparative relations; in Experiment 4 the procedure used in Experiment 2 was extended to nonsymmetrical comparative relations. Although not every participant showed the effects predicted, overall the procedures occasioned relational responses consistent with an RFT account that have not yet been demonstrated in a behavior-analytic laboratory setting, including productive responding on the basis of analogies. 相似文献
165.
Net Amount of Food Affects Autoshaped Response Rate, Response Latency, and Gape Amplitude in Pigeons
Bertram O. Ploog 《Learning and motivation》2001,32(4):383
The contribution of net amount of food to conditioned response strength and topography was assessed in four pigeons under autoshaping contingencies. In each session, under one baseline phase and three replication phases, three trial types were presented sequentially: One conditioned stimulus (keylight) signaled one small pellet, another signaled one large pellet, and a third signaled seven small pellets which were weight-matched to one large pellet. Five dependent variables were response rates and latencies based on the occurrence of both keyswitch closures and gapes (beak openings) and gape amplitudes. In result, net amount of food, not pellet diameter or number, affected all dependent variables. Notably, gape amplitudes elicited by the seven-small pellet keylights were larger than the gape amplutides elicited by the one-small pellet keylights even though the gape amplitudes elicited by both unconditioned stimuli (one or seven pellets) were equally small. This mismatch between conditioned and unconditioned responses is incompatible with stimulus substitution accounts but is compatible with an associative strength account. Furthermore, the changes in the dependent variables were most likely determined by Pavlovian and not by inadvertent operant contingencies. The findings demonstrate that an analysis of classical conditioning benefits from the inclusion of topographical measures. 相似文献
166.
STROOP效应及其反转:无意识和意识知觉 总被引:9,自引:0,他引:9
该研究基于Stroop效应确立了意识知觉和无意识知觉间的质的差异,刺激特性(呈现时间)的改变和注意的改变引起了非常类似的行为上的质差模式,二者在决定意识时存在着补偿作用。当色词短暂呈现而被无意识知觉时,被试在对靶颜色进行命名时不能利用色词提供的预期信息,从而反应时出现典型的Stroop效应;而通过增强刺激特性或提高注意水平可以使色词被有意识知觉。从而出现了Stroop效应的反转。 相似文献
167.
Impaired processing of rapid stimulus sequences in dyslexia 总被引:1,自引:0,他引:1
Apart from their reading difficulties, dyslexic subjects often suffer from a variety of subtle sensory and motor deficits. Whether these deficits have a causal relationship to the reading disorder, form additional risk factors, or are totally independent of the reading problem, is under vivid debate. In this article, we review the evidence and suggest that ‘sluggish attentional shifting’ (SAS) can account for the impaired processing of rapid stimulus sequences in dyslexia. Within this novel framework attention-related prolongation of input chunks is decisive for many small deficits found in dyslexic subjects. 相似文献
168.
Most preference assessments require individuals to choose among two or more stimuli. More recently, the duration of engagement with items has been used as an index of preference. In the current study, the predictive validity of a single stimulus engagement (SSE) preference assessment was evaluated with 4 individuals. Stimuli were presented singly for a brief period while engagement with that stimulus was recorded. Although SSE preference rankings closely matched paired stimulus preference assessment rankings for only 2 of the 4 participants, relative preference rankings based on duration of engagement predicted relative reinforcer effectiveness for all participants in a subsequent concurrent‐schedule reinforcer assessment. The SSE procedure took less time to administer than the paired stimulus procedure but produced less stable preference rankings across administrations. The SSE procedure may be appropriate for individuals who have difficulty selecting one stimulus from among two or more stimuli, and it may be well suited for evaluating activities that are difficult to present in a paired stimulus format. 相似文献
169.
Sarah Cowie Stephanie Gomes-Ng Brooke Hopkinson John Y.H. Bai Jason Landon 《Journal of the experimental analysis of behavior》2020,114(2):216-232
Stimuli that provide information about likely future reinforcers tend to shift behavior, provided a reliable relation between the stimulus and the reinforcer can be discriminated. Stimuli that are apparently more reliable exert greater control over behavior. We asked how the subjective value (measured in terms of preference) of reinforcers associated with stimuli influences stimulus control. Five pigeons worked on a concurrent chains procedure in which half of all trials ended in a smaller reinforcer sooner, and the other half in a larger reinforcer later. In Signaled trials, the color and flash duration on the keys in the initial link signaled the outcome of the trial. In Conflicting probe trials, the color and the flash duration signaled conflicting information about the outcome of the trial. Choice in Signaled trials shifted toward the signaled outcome, but was never exclusive. In Conflicting probe trials, control was divided idiosyncratically between the 2 stimulus dimensions, but still favored the outcome with the higher subjective value. Thus, stimulus control depends not only on the perceived reliability of stimuli, but also on the subjective value of the outcome. 相似文献
170.
Pigeons were exposed to two different reinforcement schedules under different stimulus conditions in each of two daily sessions separated by 6 hr (Experiments 1 and 2) or in a single session (Experiment 3). Following this, either a fixed-interval (Experiment 1) or a variable-interval schedule (Experiments 2 and 3) was effected in both stimulus conditions. In the first two experiments, exposure to fixed-ratio or differential-reinforcement-of-low-rate schedules led to response-rate, but not pattern, differences in subsequent performance on fixed- or variable-interval schedules that persisted for up to 60 sessions. The effects of reinforcement-schedule history on fixed-interval schedule performance generally were more persistent. In Experiment 3, a history of high and low response rates in different components of a multiple schedule resulted in subsequent response-rate differences under identical variable-interval schedules. Higher response rates initially occurred in the component previously correlated with high response rates. For 3 of 4 subjects, the differences persisted for 20 or more sessions. Previous demonstrations of behavioral history effects have been confined largely to between-subject comparisons. By contrast, the present results demonstrate strong behavioral effects of schedule histories under stimulus control within individual subjects. 相似文献