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121.
Two experiments demonstrated that rats could be trained in a negative reinforcement paradigm to display a shock-induced aggressive response on the first shock presented. Later, rats that had been submitted to the negative reinforcement training procedure displayed more shock-induced aggression than did control groups during a test session that was situationally different from the one used during training. A third experiment demonstrated that noxious antecedent events, if presented with sufficient rapidity, can combine to increase the probability of aggressive behavior. The three experiments together suggest that aversive antecedents and reinforcement contingencies could be involved in the escalation of irritable aggression. 相似文献
122.
Males in multi-male groups of chacma baboons (Papio hamadryas ursinus) in Botswana compete for positions in a linear dominance hierarchy. Previous research suggests that males treat different categories of rivals differently; competitive displays between males of similar rank are more frequent and intense than those between disparately ranked males. Here we test whether males also respond differently to male–male interactions in which they are not directly involved, using playbacks of the loud wahoo calls exchanged between competing males in aggressive displays. We played paired sequences of vocal contests between two adjacently ranked and two disparately ranked males to ten subjects, half ranking below the signalers in the call sequences and half above. Subjects who ranked above the two signalers showed stronger responses than lower-ranking subjects. Higher-ranking subjects also responded more strongly to sequences involving disparately ranked, as opposed to adjacently ranked opponents, suggesting that they recognized those individuals relative ranks. Strong responses to sequences between disparately ranked opponents might have occurred either because such contests typically involve resources of high fitness value (defense of meat, estrous females or infants vulnerable to infanticide) or because they indicate a sudden change in one contestants condition. In contrast, subjects who ranked lower than the signalers responded equally strongly to both types of sequences. These subjects may have been able to distinguish between the two categories of opponents but did not respond differently to them because they had little to lose or gain by a rank reversal between males that already ranked higher than they did. 相似文献
123.
The auditory event-related potential (ERP) is obtained by averaging electrical impulses recorded from the scalp in response to repeated stimuli. Previous work has shown large differences between children, adolescents and adults in the late auditory ERP, raising the possibility that analysis of waveform shape might be useful as an index of brain maturity. We reanalysed auditory ERPs from samples previously described by Albrecht, von Suchodoletz and Uwer (2000) and Uwer, Albrecht and von Suchodoletz (2002), using the intraclass correlation (ICC) as a global measure of similarity of an individual's waveform to a grand average comparison waveform for each age band. Three developmental periods were clearly distinguished: 5 to 12 years, 13 to 16 years, and adulthood. However, within each of these periods, there was no evidence of any developmental progression with age. 相似文献
124.
Using the framework of social dominance theory, the current investigation tested for the contextual effects of adolescent peer groups on individuals' homophobic and social dominance attitudes. Results from multilevel models indicated that significant differences existed across peer groups on homophobic attitudes. In addition, these differences were accounted for on the basis of the hierarchy-enhancing or -attenuating climate of the group. A group socialization effect on individuals' social dominance attitudes over time was also observed. Furthermore, the social climate of the peer group moderated the stability of individuals' social dominance attitudes. Findings support the need to examine more proximal and informal group affiliations and earlier developmental periods in efforts to build more comprehensive theoretical models explaining when and how prejudiced and dominance attitudes are formed and the way in which they are perpetuated. 相似文献
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Charles Clifton Jr Dorothy Bishop 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1983,35(1):239-241
MARCUS, M. P. A Theory of Syntactic Recognition for Natural Language. Cambridge, Massachusetts, and London, England: The MIT Press. 1980. Pp. 335. £15.50.
LASSMAN, F. M., FISCH, R. O., VETTER, D. K. and LA BENZ, E. S. Early Correlates of Speech, Language, and Hearing. Littleton, Mass.: PSG Publishing Co. 1980. Pp. 858. ISBN 0 88416 214 1. 相似文献
LASSMAN, F. M., FISCH, R. O., VETTER, D. K. and LA BENZ, E. S. Early Correlates of Speech, Language, and Hearing. Littleton, Mass.: PSG Publishing Co. 1980. Pp. 858. ISBN 0 88416 214 1. 相似文献
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Dorothy Evans Holmes 《Psychoanalytic Dialogues》2016,26(6):678-682
Whether the three discussions are framed in terms of the pull on all of us to the socio-political world in which we live (Guralnik), the usefulness of interpersonal psychoanalysis as a way of working (White), or the need to legitimize culturally imposed trauma in the face of resistances to doing so (Tummala-Narra), each commentator offers meaningful elaborations on what I have offered and/or alternative perspectives to be considered. This response affords me a welcome opportunity to celebrate and elaborate the multiple ways in which culture and cultural trauma can be conceptualized, understood, and worked with in the consultation room. I hope these papers, considered together, will make cultural trauma more accessible to work with for all psychoanalytic clinicians. 相似文献
129.
Communicative competence is one measure of an individual’s ability to navigate conversations with social partners. The current study explored the possibility of basic communicative competence in a non-mammal speaker, a speech-using African Grey parrot. Spontaneous conversations between one Grey named Cosmo and her caregiver were recorded, from which three corpora (i.e., bodies of text) of Cosmo’s vocalizations were developed: (1) Baseline: Vocalizations containing no requests, (2) Ignored Requests: Vocalizations immediately following Cosmo’s caregiver ignoring Cosmo’s requests, and (3) Denied Requests: Vocalizations immediately following Cosmo’s caregiver denying Cosmo’s requests. The distributions of social (e.g., “I love you,” kiss sounds) and nonsocial (e.g., answering machine beeps, “That’s squirrel”) vocalizations, as well as speech and nonword vocalizations, were statistically different across the three corpora. Additionally, qualitative analysis of the datasets indicated Cosmo was persistent in repeating vocalizations when denied and ignored, and interrupted her caregiver more often when requests were denied compared to ignored. Neither repetition nor interruption occurred during the Baseline conversations. The data indicate that despite the outcome being the same (i.e., request was unmet), Cosmo treated an ignored request differently than a denied request, modifying her vocalizations in accord with the specific context. Such modification is evidence of basic communicative competence. 相似文献
130.
Dorothy R. Buchli Benjamin C. Storm Robert A. Bjork 《Quarterly journal of experimental psychology (2006)》2016,69(6):1197-1209
Retrieving information can impair the subsequent recall of related information. Such retrieval-induced forgetting is often attributed to inhibitory mechanisms, but Jonker, MacLeod, and Seli (2013) recently proposed an alternative account. In their view, the study and retrieval-practice phases constitute two disparate contexts, and impairment of unpractised members from practised categories is attributable to their being absent from the retrieval-practice context, which is where, according to Jonker et al., participants preferentially search at the time of final test. In evidence of this account, Jonker et al. showed that even restudy practice—which is assumed by the inhibitory account to be insufficient to cause forgetting (i.e., retrieval-specificity)—can cause forgetting when a mental context change is inserted between study and restudy. The present research sought to replicate this finding while also testing the possibility that a far mental context change would cause more forgetting than a near mental context change. In Experiment 1, participants described a vacation inside the United States (near) or outside the United States (far). In Experiments 2 and 3, participants described the layout of their own home (near) or their parents’ home (far). In contrast to the predictions of the context account, however, but consistent with the predictions of the inhibitory account, none of the restudy-plus-context-change conditions resulted in significant forgetting. 相似文献