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361.
Harlene Hayne Carolyn Greco Linda Earley Pamela Griesler Carolyn Rovee-Collier 《Infant behavior & development》1986,9(4)
The ability of 2-month-old infants to discriminate changes in a 5-object crib mobile following a retention interval of 24 hr was assessed using the mobile conjugate reinforcement paradigm. Infants were trained in 3 daily 15-min sessions to produce mobile movement by footkicking. Twenty-four hr later, independent groups received generalization tests with mobiles containing 1–5 novel objects substituted into their original training mobile. A control group was tested with the original training mobile. These findings were compared with findings of 2 previous studies involving identical procedures with 3-month-olds, reanalyzed for measures of individual performance over successive test minutes. Although, in absolute terms, 2-month-olds had a flat generalization gradient relative to 3-month-olds, when each infant's kick rate during the generalization test was expressed relative to that infant's kick rate before, and at the end of, training, it was found that the generalization gradients of 2- and 3-month-olds were indistinguishable. The relative response measures indicated a surprising degree of specificity by both age groups: Test mobiles containing more than 1 novel object did not cue retrieval, but test mobiles containing no more than 1 new object yielded perfect retention and complete generalization. These data indicate that infants as young as 2 months are capable of encoding and maintaining a representation of the specific details of their training context for at least 24 hr and, after that delay, can perform fine discriminations based on the discrepancy between their test context and that representation. 相似文献
362.
Three experiments examined the assertion that presession handling cues that accompany training with reinforcement might account for spontaneous recovery when they reoccur following extinction. In Experiment 1, after extensive training on a variable-interval schedule, key pecking in pigeons was extinguished following either normal or distinctively different handling and transportational cues. Those cues resulted in enhanced spontaneous recovery 24 hr later when normal cues were reinstated. In Experiment 2, however, subjects tested following the normal handling cues showed no more spontaneous recovery than did subjects that spent the entire extinction-test interval in the experimental chambers and thus were tested without handling cues altogether. In Experiment 3, a group whose test for recovery began 10 min after being placed in the chambers yielded as much spontaneous recovery as did a group tested normally. Furthermore, a group for which extinction began at mid-session and for which handling therefore could not be a discriminative cue for extinction showed no more spontaneous recovery than did the other two groups. Handling cues thus contributed to spontaneous recovery only after explicit discrimination training, as provided in Experiment 1. 相似文献
363.
Jürgen Schröder 《Journal for General Philosophy of Science》1991,22(2):321-336
Searle claims that for a machine to have intentional states it is not sufficient that a formal programme be instantiated. Various types of objections to this claim have been brought up by Searle's critics. Searle's replies to some of these objections are analysed. It turns out that it is more to these objections than Searle wants to make us believe. What is crucial, however, is that Searle's Gedankenexperiment results in a dilemma. At the outset of the dilemma there are two ways of not understanding. According to one of these ways a person (Searle's homunculus) does not understand something without knowing that s/he does not understand. While in the other mode the person knows that s/he doesn't understand. In the first case the inference from facts about the homunculus to facts about the computer is not valid whereas in the second case one would attribute mental states to the computer. Thereby Searle's claim turns out to be unfounded. 相似文献
364.
Cecile T. Tougas 《The Journal of analytical psychology》1999,44(3):309-329
The Self and the ego in Jung's psychology are an instance of what Edmund Husserl called a 'double intentionality': one tending toward meaning is distinct from another tending toward meaning, yet they are reciprocally inseparable from each other. As perception in a present moment and memory of a past are impossible without each other, so an intending of ego and that of Self are impossible without each other. Accompanying the ego (mostly in the background) during each moment of time is a tending towards a particular Idea or essence. This reciprocity is expressed in a unique way over a lifetime and is like the relation of mother and child, and so it is important for all of us born of women to retain a sense of essences and the fullness of Self. 'Constructivism', however, is a current belief held by some feminists, and it influences both theorizing and practice in analytical psychology. It involves a rejection of essences, a revision of Jung's Idea of Self, and an attempt to conduct analysis without reference to an intentional subjective Self. Such constructivist revision expresses a despair both about essences as Ideas and about Self as intentional and subjective. It is despair over Self in a Kierkegaardian sense. 相似文献
365.
实验采用两种编码方式和测验类型考查了编码与提取方式的一致性对生成效应的影响。结果显示:(1)在进行字形加工的知觉辨认测验中,生成过程主要依据字形编码的形近字出现了生成效应;主要依据字义编码的反义字没有出现此效应。(2)在依赖字义提取的自由回忆中,形近字和反义字都出现了生成效应。因而编码与提取方式的一致性可能对生成效应有影响。 相似文献
366.
人脸加工过程中,从人脸知觉到身份信息提取是一个系列的过程还是平行加工的过程,是人脸研究的热点问题之一。通过比较脸—脸(FF)、名字—名字(NN)、脸—名字(FN)和名字—脸(NF)等四种刺激类型条件下被试对其作夫妇判断和性别配对判断时的反应时分析,发现判断任务与刺激类型之间存在显著交互作用。在性别判断任务中,FF反应最快,NF其次,FN和NN最慢;而在夫妇判断任务中,四种刺激类型间无显著差异。反应错误率分析也显示相似的结果。实验结果支持人脸识别到身份信息提取过程为系列加工的观点。 相似文献
367.
368.
Wybo Houkes 《Journal for General Philosophy of Science》2002,33(2):251-267
In this paper, I review Quine's response to the normativity charge against naturalized epistemology. On this charge, Quine's
naturalized epistemology neglects the essential normativity of the traditional theory of knowledge and hence cannot count
as its successor. According to Quine, normativity is retained in naturalism as ‘the technology of truth-seeking’. I first
disambiguate Quine's naturalism into three programs of increasing strength and clarify the strongest program by means of the
so-called Epistemic Skinner Box. Then, I investigate two ways in which the appeal to technology as normative enterprise can
be made good. I argue that neither coheres with other aspects of Quine's philosophy, most notably the elimination of intentionality.
Finally, I briefly consider a third reconstruction of the response, which involves an extension of the web of “belief” to
practical know-how. I conclude that the normativity of Quine's (strong) naturalism cannot be found in the technology of truth-seeking.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
369.
370.
Eugene M. Caruso 《Journal of experimental social psychology》2008,44(1):148-155
People base judgments from memory on both the content of the information they retrieve and the ease they experience in retrieving it (Schwarz, N., Bless, H., Strack, F., Klumpp, G., Rittenauer-Schatka, H., & Simons, A. (1991). Ease of retrieval as information: another look at the availability heuristic. Journal of Personality and Social Psychology, 61, 195-202). Four studies demonstrate that people rely relatively more on the experienced ease of recall when making judgments about the self compared to judgments about others. This pattern was found for judgments of an “average” (Study 1a) or specific (Study 1b) other. Subjective retrieval ease was less informative when people were relatively less familiar with the specific other person. Providing an alternative explanation for the experienced difficulty of recall affected self, but not social, assessments (Study 2). In addition, the effect generalized to risk judgments about a state of the world; namely, the safety of one’s town (Study 3). A deeper appreciation of when and why people rely on different sources of accessible information when making judgments may help in understanding and reducing social conflict. 相似文献