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211.
Maternal aggression was studied in Oreochromis mossambicus during the mouthbrooding cycle. Brooding females were observed in heterosexual captive groups, and their agonistic interactions and behavioural activities were registered. Brooding females were classified into three classes according to the developmental stage of the brood they were incubating: phase 1, brooding eggs; phase 2, brooding fry with yolk-sac; phase 3, brooding fry with exogeneous feeding. The behaviour of the brooding females was compared with the behaviour of control non-incubating females. During the brooding cycle females become increasingly more aggressive toward other individuals, with their aggressiveness reaching a peak in phase 3. During the brooding cycle the females also suppress their feeding activities. The outcome of the agonistic interactions (victories–defeats) of the brooding females was positively correlated with the brooding phase but not with clutch size. The main function of maternal aggression in O. mossambicus seems to be the defence of the vulnerable brood against predators, including conspecifics, at a developmental stage when the fry start to forage outside the mother's mouth. Aggr. Behav. 24:187–196, 1998. © 1998 Wiley-Liss, Inc. 相似文献
212.
Dominance hierarchies were studied during 8 weeks in eight heterosexual captive groups of Oreochromis mossambicus at the onset of sexual maturity. Linearity was assessed for each group on a weekly basis based on the Landau's index (h) and on the procedure described by Appleby [Appleby MC (1983): Animal Behaviour 31:600–608]. Week-to-week stability of the hierarchical structures was measured using the Burk's stability index (b) and Spearman rank correlation coefficients for the ranks of fishes in consecutive weeks. The two measures of stability showed a high level of concordance but the Spearman rank correlations were more conservative in detecting cases of stability. Although most dominance structures were linear they were unstable from week to week. Dominant individuals were less likely to experience rank reversals than subordinates. Rank reversals were especially likely among hierarchical neighbors. Dominance hierarchies did not stabilize in the time span of this study. © 1996 Wiley-Liss, Inc. 相似文献
213.
Manuel Oliveira Teresa Garcia-Marques Leonel Garcia-Marques Ron Dotsch 《European journal of social psychology》2020,50(2):463-483
In this article we directly assessed the relationship between valence and relevant traits of the Big Two dimensions (i.e., communion and agency). Drawing on previous research, we expected that the relationship with valence would be less monotonous and more variable in direction across agency-related traits, compared to communion-related traits. In three repeated measures studies we assessed the perceived valence of each trait dimension on a continuum of seven points. Studies 1 and 2 defined each continuum verbally. In Study 3 each continuum was defined by facial features. Results across these studies show that valence is linearly and more consistently related with communion-related traits than with agency-related traits. Within agency, however, competence established a positive linear relationship with valence, whereas dominance showed a target-sensitive relationship with valence: quadratic in evaluation of trait concepts, and negative and linear in face evaluation. We discuss the implications of these data for Big Two-related research. 相似文献
214.
Belinda Siew Luan Khong 《Humanistic Psychologist》2013,41(3):231-246
Is there a place for Heidegger's philosophy and the Buddha's teachings (dhamma) in contemporary psychotherapy? The simple answer is yes. This article explores how the ideas of Being-in-the-world, Openness, Being-With, anticipatory care, letting be and letting go, cultivating a meditative attitude and a beginner's mind—promoted in Heidegger's philosophy, daseinsanalysis, and the Buddha's teachings—inform my approach to therapy and ground my Being as a therapist, and how this embodiment has been received by clients. Some important parallels and differences between Heideggerian and Buddhist ideas and practices are also discussed. Heidegger's philosophy, the Buddha's teachings, and daseinsanalysis provide therapists with important foundations for understanding their roles as cojourneyers with their clients, and embracing this attitude in therapy can make therapy truly a healing, rather than a curing, process. 相似文献
215.
216.
Posture-related affordances guide attacks in basketball 总被引:1,自引:0,他引:1
Pedro T. Esteves Rita F. de Oliveira Duarte Araújo 《Psychology of sport and exercise》2011,12(6):639-644
Objectives
The purpose of this study was to investigate the decision made by the attacker to drive to the left or right of the defender.Method
Participants were 32 novice and intermediate basketball players who were assigned the role of attacker or defender in a one-on-one subphase. We manipulated the defender’s posture and measured both the postures of defenders and attackers and the ensuing decision on drive direction.Results
As hypothesized, the posture of defenders guided the decision behavior of the attacker. Both novice and intermediate attackers made the same affordance-based decision by driving to the side of the defender’s most advanced foot, but only when the distance between attacker and defender was small. Moreover, novice attackers conveyed postural information regarding their upcoming drive direction while intermediate attackers were better able to conceal this information.Conclusions
These results lend further support to the notion of information-based control of interpersonal actions in sport contexts. 相似文献217.
This study sought to develop methodology for assessing whether children aged 16-21 months could learn to match stimuli on the basis of physical identity in conditional discrimination procedures of the type routinely used in stimulus equivalence research with older participants. The study was conducted in a private room at a daycare center for children and toddlers. The child and the research sat together on the floor facing an apparatus with two windows. Stimuli to be discriminated were toys especially designed to attract the child's attention and maintain continued interest. On simple discrimination and discrimination reversal trials that were programmed in initial training, S+ and S- toys were displayed within the two windows. When the child touched the window containing the toy defined as S+ on a given trial, s/he was allowed to manipulate/play with that toy. Selections of the S- toy ended the trial without a play opportunity. On subsequent identity matching-to-sample trials, the child was first allowed to manipulate a sample toy. Then, S+ (matching) and S- (nonmatching) comparison toys were displayed within the windows, and the selection consequences were the same as on simple discrimination trials. The study provides evidence that preverbal children can master simple and conditional discrimination performances via such procedures, perhaps setting the stage for subsequent studies aimed at establishing procedural control of the discrimination baselines needed to assess the stimulus equivalence potential of children in this age range. 相似文献
218.
Gimenez R Manoel Ede J de Oliveira DL Dantas L Marques I 《Perceptual and motor skills》2012,114(2):563-583
The study examined how children of different ages integrate fundamental movement skills, such as running and throwing, and whether their developmental status was related to the combination of these skills. Thirty children were divided into three groups (G1 = 6-year-olds, G2 = 9-year-olds, and G3 = 12-year-olds) and filmed performing three tasks: running, overarm throwing, and the combined task. Patterns were identified and described, and the efficiency of integration was calculated (distance differences of the ball thrown in two tasks, overarm throwing and combined task). Differences in integration were related to age: the 6-year-olds were less efficient in combining the two skills than the 9- and 12-year-olds. These differences may be indicative of a phase of integrating fundamental movement skills in the developmental sequence. This developmental status, particularly throwing, seems to be related to the competence to integrate skills, which suggests that fundamental movement skills may be developmental modules. 相似文献
219.
Carvalho JC Cardoso Cde O Shneider-Bakos D Kristensen CH Fonseca RP 《The Spanish journal of psychology》2012,15(2):480-486
Aging has been associated with several brain changes that often affect the cognitive functioning of adults, but changes in executive functions, particularly in the field of decision making, have not been fully investigated. The Iowa Gambling Task (IGT) is a widely used tool to evaluate decision making, but little is known about the effect of age on its results. This study used the IGT and compared healthy young (n = 40) and elderly (n = 40) adults to evaluate their decision making processes. There were significant differences in the learning curve of the two age groups, but no difference in overall IGT performance. The results for the first IGT block were different from those of the rest of the task, and the group of elderly adults had a better performance in this block. Elderly adults also showed a preference for deck A, the one that resulted in greater losses. Findings confirmed the results of other studies, which reported that the IGT block score is the variable with the greatest sensitivity to age in this instrument. 相似文献
220.