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11.
Pressurized air was repeatedly associated with one of two frequencies of flashing light during performance of a VI 30-sec positive reinforcement schedule by stump-tailed monkeys. As revealed by the relative suppression of bar presses to each of the two visual stimuli, the Ss learned to discriminate between the different flicker frequencies. However, they also showed signs of adapting to the airblast during the course of training, and its location had to be changed in order to maintain discriminative suppression. 相似文献
12.
James R. Pomerantz Stephen Kaplan Rachel Kaplan 《Attention, perception & psychophysics》1969,6(3):129-132
When single letters were presented for five flashes, with S making a clarity judgment after each exposure, initial potentiation and subsequent satiation effects were found. A processing task and complete prior knowledge led to an increased probability of a “clear” response on the first exposure and to an earlier onset of the satiation effect. The results are discussed in terms of the neural network model underlying this research. 相似文献
13.
George A. Kaplan 《Attention, perception & psychophysics》1969,6(4):193-198
An examination of the changes in visual stimulation that result from changes in the occlusion of one surface or object by another suggests two hypotheses about the motion-carried information that is sufficient for the perception of the relative depth at an edge as well as the perception of occlusion. Ss’ reports when shown displays containing only this information give strong support to the hypotheses. 相似文献
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Visual and acoustic confusability between a target item and background items was varied in a visual search task. Visual confusability was a highly significant source of difficulty while acoustic confusability had no effect. The results do not seem to be interpretable within a theory which assumes compulsory auditory encoding of visual information. 相似文献
18.
Michael Kaplan Bruce Jackson Richard Sparer 《Journal of the experimental analysis of behavior》1965,8(5):321-323
In 11 male albino rats, lever-pressing responses, maintained under a CRF escape schedule with light as the aversive stimulus, were examined at each of five intensities, viz., 2.5, 18, 105, 190, and 386 ft-C. The function relating reciprocal of latency of the escape response to aversive light intensity passed through a maximum. 相似文献
19.
The effects of right hemisphere damage on the pragmatic interpretation of conversational remarks 总被引:5,自引:1,他引:4
The ability to interpret conversational utterances was assessed in a group of 12 male patients with unilateral right hemisphere brain damage (RHD) and 12 non-brain-damaged, age-matched male control subjects. Subjects listened to short vignettes which described both the affective tone of the relationship between a speaker and an actor, and the actor's performance on a task. Each vignette concluded with the speaker characterizing the actor's performance. In half of the items, the speaker's utterance was literally true; in the other half, the utterance was literally false and invited a nonliteral interpretation. Results showed no appreciable differences in the performance of control subjects and RHD patients when interpreting literally true utterances. In contrast, the two groups differed reliably when interpreting the pragmatic intent of nonliteral utterances: Control subjects used information about both the actor's performance and the speaker-actor relationship, while RHD patients demonstrated difficulty in using the information about the speaker-actor relationship. Results have implications for patients' understanding of essential elements of conversations, such as characters' internal states and their intentions in employing different forms of literal and nonliteral language. 相似文献
20.
The current paper examines the question of why Freud employed Greek rather than Hebrew foundation legends, specifically the story of Oedipus, as a basis for psychoanalysis, Freud's choice of Oedipus emanates from his deterministic view of the universe, paralleling the Greek rather that the Biblical story of creation. In the Biblical account God precedes and creates nature with no sign of an Oedipal conflict. In the Greek account, nature precedes the gods and the Oedipal conflict is inherent. Freud's choice has implications for his view of human psychology. 相似文献