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991.
Erich Jurevich Solov'ëv 《Studies in East European Thought》1992,44(3):193-201
Ohne ZusammenfassungText eines Vortrages an einem Kolloquium den 24 Mai, 1992 zu Ehren von Prof. Joseph M. Bochenski an Lässlich seines 90. Geburtstags. 相似文献
992.
Joël Fagot Bernard Arnaud Monique Chlambretto Raymond Fayolle 《Behavior research methods》1992,24(1):54-59
We describe an apparatus for testing laterality in haptic processing in the discrimination of nonsense shapes in humans or monkeys. The system, which permits either mono- or dichhaptic discrimination, automatically provides data on the measurement of accuracy along with information on hand exploratory strategies. 相似文献
993.
Fagot and Deruelle (1997) demonstrated that, when tested with identical visual stimuli, baboons exhibit an advantage in processing local features, whereas humans show the “global precedence” effect initially reported by Navon (1977). In the present experiments, we investigated the cause of this species difference. Humans and baboons performed a visual search task in which the target differed from the distractors at either the global or the local level. Humans responded more quickly to global than to local targets, whereas baboons did the opposite (Experiment 1). Human response times (RTs) were independent of display size, for both local and global processing. Baboon RTs increased linearly with display size, more so for global than for local processing. The search slope for baboons disappeared for continuous targets (Experiment 2). That effect was not due to variations in stimulus luminance (Experiment 3). Finally, variations in stimulus density affected global search slopes in baboons but not in humans (Experiment 4). Overall, results suggest that perceptual grouping operations involved during the processing of hierarchical stimuli are attention demanding for baboons, but not for humans. 相似文献
994.
We examined attention shifting in baboons and humans during the learning of visual categories. Within a conditional matching-to-sample
task, participants of the two species sequentially learned two two-feature categories which shared a common feature. Results
showed that humans encoded both features of the initially learned category, but predominantly only the distinctive feature
of the subsequently learned category. Although baboons initially encoded both features of the first category, they ultimately
retained only the distinctive features of each category. Empirical data from the two species were analyzed with the 1996 ADIT
connectionist model of Kruschke. ADIT fits the baboon data when the attentional shift rate is zero, and the human data when
the attentional shift rate is not zero. These empirical and modeling results suggest species differences in learned attention
to visual features.
Received: 30 May 1998 / Accepted after revision: 13 September 1998 相似文献
995.
Intact memory for complex events requires not only memory for particular features (e.g., item, location, color, size), but also intact cognitive processes for binding the features together. Binding provides the memorial experience that certain features belong together. The experiments presented here were designed to explicate these as potentially separable sources of age-associated changes in complex memory—namely, to investigate the possibility that age-related changes in memory for complex events arise from deficits in (1) memory for the kinds of information that comprise complex memories, (2) the processes necessary for binding this information into complex memories, or (3) both of these components. Young and older adults were presented with colored items located within an array. Relative to young adults, older adults had a specific and disproportionate deficit in recognition memory for location, but not for item or for color. Also, older adults consistently demonstrated poorer recognition memory for bound information, especially when all features were acquired intentionally. These feature and binding deficits separately contribute to what have been described as older adults’ context and source memory impairments. 相似文献
996.
The associations between children's behavior and their performance on a task with a steadily increasing ratio of punished to rewarded responses was investigated in a group of clinic-referred (n= 92) and normal control (n= 40) children between the ages of 6 and 13. Clinic-referred children with an anxiety disorder played significantly fewer trials than clinic-referred children without an anxiety disorder but the response style of the anxious children did not differ from that of a normal control group. Children with severe conduct problems who had no anxiety disorder played more trials than (a) children with severe conduct problems and a comorbid anxiety disorder, (b) nonanxious children with attention-deficit hyperactivity disorder, and (c) children in the normal control group. The strongest evidence for the reward dominant response style was for nonanxious subjects with elevations on a measure of psychopathic features, irrespective of whether they also had conduct problems and irrespective of whether they were clinic-referred.
We would like to thank the staff of the Alabama School-Aged Assessment Service and the Tuscaloosa County School System for their help in data collection. We would like to especially acknowledge the help of John Gurley in data collection. 相似文献
997.
José Morais Luz Cary Hélène Vanhaelen Paul Bertelson 《Attention, perception & psychophysics》1980,27(2):141-148
Previous work has shown that when a subject is seated with body, head, and eyes oriented in the same direction, speech coming from the front is better perceived than speech coming from other directions. The question asked was which segments of the body are critical in determining the advantage of the frontal position. It was found that the effect does not depend exclusively on the orientation of the head relative to the source, since the advantage is reduced not only when the head is deviated laterally towards a competing source, but also when the gaze or the trunk and the limbs are deviated in that direction. Frontal position advantage is thus not a purely acoustical or auditory phenomenon, but depends, at least partly, on interactions at deeper levels. 相似文献
998.
Preschool and elmentary school children responded to questions measuring sex-typing of attribution (who would like this job), service preference (who the child would choose to do this job), and personal job choice (would the child like to do this job) dimensions for each of nine jobs, and stated a free-choice job preference. A subsample completed a cognitive classification measure. With age through second grade attribution and service preference sex-typing increased; generally, the match scores between the three aspects and census reality increased; the use of sex-typed categories in service preference decreased. For some aspects, girls were less sex-typed than boys; for others, each sex showed own-sex bias. Age, not classification skill, accounted for more variance in the sex-typing measures.This research was supported in part by an Indiana University Grant-in-Aid for dissertation research awarded to the first author. A shorter version of this article was presented as a paper at the annual meeting of the American Psychological Association, Toronto, 1978. The authors would like to thank the children, parents, and school personnel in all five cooperating schools, including Central Elementary School, David Satter, Principal; Children's Corner Cooperative Nursery School, Sue Yamaguchi, Director; Christian Center Day Care Preschool, Monroe County United Ministries, James Fisbo, Executive Director, Jean K. Lloyd, Preschool Director; St. Charles School, Kathleen Fleming, Principal. 相似文献
999.
Bridget A. Shore Brian A. Iwata Dorothea C. Lerman Melissa J. Shirley 《Journal of applied behavior analysis》1994,27(2):371-384
Generalization across three stimulus parameters was examined for 5 individuals whose self-injurious behavior was maintained by escape from task demands. Prior to treatment, three stimulus parameters (therapist, setting, and demands) were systematically varied across baseline sessions. These variables were held constant during treatment, which consisted of escape extinction. When treatment was completed, three novel stimulus parameters were probed. If the rate of self-injury was high during this probe, treatment was reimplemented with one new stimulus parameter (the other two were the same as in the original treatment condition). Following this second treatment, another probe with three novel stimuli was conducted. If the rate of self-injury was again high, treatment was implemented again while a second stimulus parameter was changed. This sequence continued until generalization was observed across the three parameters. Results showed idiosyncratic differences in generalization. The behavior of 2 subjects showed complete generalization during the first novel probe. A 3rd subject's behavior showed generalization following treatment across two stimulus parameters (setting and therapist). The behavior of the 2 remaining subjects showed a complete lack of generalization across the three parameters; both subjects required training for novelty by randomly varying the stimulus parameters for a substantial number of sessions. 相似文献
1000.