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881.
Aggression occurring during an initial confrontation between two rats may result in significant behavioral changes in one or both animals. The present experiment was designed to study behavioral changes occurring in the course of an agonistic interaction and the consequences of winning or losing. In order to ensure winning, male CPB-S3 Tryon Maze Dull) rats were confronted with males of a more aggressive strain (Long Evans); and to ensure losing they were confronted with those of a less aggressive strain Wistar). Winners were tested against losers, this test being repeated after an interval of 17 days. Winners and losers were also tested with naive S3 opponents. Possible effects of winning and losing in nonagonistic behavioral tests were then examined. These measured open field activity, passive avoidance learning, and masculine sexual behavior. The results replicate and extend earlier findings using a different strain, indicating that significant and relatively permanent behavioral changes are induced in male winners and losers. Behavioral change is most prominent in the losers. Despite the behavioral differences between winners and losers in tests for agonistic behavior, no consistent differences were noted in any of the other behavioral tests. 相似文献
882.
John Lind, Professor of Pediatrics at the Karolinska Institute, emphasized that “the family is born in the maternity hospital.” He had a warm concern for all parents and infants and was extremely influential in both pediatric and child-rearing practices in Sweden and in the promotion of infant and caregiver-infant interaction research. Lind initiated and/or stimulated the scientific study of the infant's cry, parent-infant interactions, the role of the father in the perinatal environment, fetal and neonatal perception, and perinatal hospital practices. In many respects, his work predated contemporary emphases on perinatal coaching programs, social support (doula) during labor and delivery, parent education on childrearing, the use of ethnographic data for contemporary perinatal practices, interdisciplinary team approaches to study of infant care and development, changes in newborn nursery practices, and, above all, care and sensitivity to the initial synchronization of the parent-infant interaction system. This paper honors John Lind's contributions to our knowledge of infant development and parent-infant interaction, his influences on the field of pediatrics and the interdisciplinary study of infancy, and his commitment to enhancement of the quality of life for infants and their families. Although his life has ended, his ideas will continue to inspire and challenge the study of early human development for many years to come. 相似文献
883.
Irene M.W. Niks Josette M.P. Gevers Jan De Jonge Irene L.D. Houtman 《European Journal of Work and Organizational Psychology》2016,25(2):226-238
It is well-known that recovery from work and job resources can counteract negative effects of high job demands, but less is known about how off-job recovery and job resources are related to each other. In this two-level daily diary study, 67 employees filled out daily surveys over the course of 8 days to examine this issue. Consistent with our expectations, multilevel analyses revealed that previous day’s detachment from work is positively related to the state of being recovered before going to work, and that the state of being recovered is positively related to one’s level of job resources. Moreover, the results indicated that both person-level differences and day-level dynamics play a role in these relations. Our study highlights the importance of recovering from work in the sense that it does not only help individuals by repairing negative strain effects but can also function as a catalyst in the activation of job resources. 相似文献
884.
885.
Dirk De Clercq Inam Ul Haq Muhammad Umer Azeem Haq Nawaz Ahmad 《The Journal of psychology》2019,153(5):507-527
This article investigates the mediating role of job dissatisfaction in the relationship between employees’ perceptions of workplace incivility and their helping behavior, as well as the buffering role of political skill in this process. Three-wave, time-lagged data collected from employees and their supervisors revealed that employees’ exposure to workplace incivility diminished their helping behavior through their sense of job dissatisfaction. This mediating role of job dissatisfaction was less salient, however, to the extent that employees were equipped with political skill. For organizations, this study accordingly pinpoints a key mechanism—namely, unhappiness about their job situation—through which rude coworker treatment links to lower voluntary workplace behaviors among employees, and it reveals how this mechanism can be better contained in the presence of political skill. 相似文献
886.
887.
Three experiments were conducted to examine cross-language priming in bilinguals. The first was a cross-language primed lexical decision task experiment with Chinese-English bilinguals. Subjects made lexical decisions about primary associate targets in the two languages at the same rate, but priming occurred only when the prime was in their first language (L1), Chinese, and the target was in their second language (L2), English. Experiment 2 produced the same pattern of asymmetrical priming with two alphabetic languages, French and Dutch. In Experiment 3, the crucial stimuli were translation equivalents. In contrast to the results of Experiments 1 and 2, priming occurred across languages in both the L1-L2 and L2-L1 conditions. However, this priming was also asymmetrical, with more priming occurring in the L1-L2 condition. A tentative separate-interconnected model of bilingual memory is described. It suggests that the representations of words expressed in different languages are stored in separate memory systems, which may be interconnected via one-to-one links between same translation-equivalent representations as well as meaning-integration processes. 相似文献
888.
Kenneth J. De Jong 《Attention, perception & psychophysics》1994,56(4):447-460
To evaluate articulatory models of perceptual center (P-center) location, listeners performed perceptual adjustments on stimuli which were extracted from a corpus of articulatory data. To avoid streaming effects, the stimuli were not edited to obtain temporal variation; instead, they varied in stress and segmental content. Adjustments were evaluated as to their simultaneity with acoustic and articulatory events. The first experiment yielded various articulatory and acoustic correlates of P-center location; the second yielded different articulatory predictors and no acoustic effective predictors. Multiple correlation analyses showed a variation from P-center locations predicted by the articulatory events that were associated with other predictors. Thus, P-center locations do not correspond to any particular kinematic articulatory event, but rather to a complex of events taken from throughout the stimuli. These results are discussed in terms of their relevance to a model of P-centers as indices of underlying gestural timing. 相似文献
889.
Eighty-two adults, ranging in age from young to elderly, performed odor-quality discrimination and both free and cued identification on six odorants presented at two intensity levels. The odorants simulated the real-world substances banana, licorice, cherry/almond, wintergreen, clove, and lemon. Performance on all three tasks declined with age, but improved with stimulus intensity. Performance at discrimination benefited from the mere availability of the six names during testing. Performance in cued identification far exceeded that in free identification and, for young and middle-aged adults, fell close to that for discrimination. For elderly adults, however, performance in cued identification fell substantially below that in discrimination. Although not entirely free of cognitive influences, discrimination seems to offer particularly clear resolution of alterations in olfactory functioning. 相似文献
890.
Sandra Mulkens Peter J. De Jong Susan M. Bögels 《Personality and individual differences》1997,22(6):817-824
Twenty-seven women with high scores on the Blushing Propensity Scale (BPS) and 26 women with low BPS scores were exposed to two different video segments. One video showed the subject's own singing, recorded in a previous session and the other video showed a segment of Hitchcock's movie Psycho. During the experiment, facial coloration, facial temperature, and skin conductance level were measured. In addition, subjects' blushing intensity was judged by raters. Finally, subjects were asked to rate their blushing intensity and fear of blushing during the video presentations. Subjects generally blushed more during the presentation of their singing than during comparison stimulation, as measured physiologically. There were no between group differences in this respect. No differences were found between the two groups on raters' judgements about blushing intensity. However, high BPS subjects dramatically overestimated their blushing intensity and were more afraid of blushing than low BPS subjects. During the mere presence of the raters, high BPS subjects tended to show a relatively strong coloration. Thus, the BPS seems to reflect both a fearful preoccupation and a stronger facial coloration. 相似文献