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191.
Jorgelina María Guido Laura Marina Biondi Aldo Ivan Vasallo Rubén Nestor Muzio 《Animal cognition》2017,20(4):591-602
In an ever-changing environment, the ability to adapt choices to new conditions is essential for daily living and ultimately, for survival. Behavioural flexibility allows animals to maximise survival and reproduction in novel settings by adjusting their behaviour based on specific information and feedback acquired in their current environments. However, a growing body of evidence indicates that an individual’s personality type can limit the extent to which the individual might behave flexibly, by influencing the way an individual pays attention to novelty and how much information it collects and stores, which in turn affects the individual’s decision-making and learning process. In this study, the behavioural flexibility of a generalist predator, the Chimango Caracara, Milvago chimango, was analysed using the reversal learning paradigm, focusing on the comparison between age classes, and the relation of learning flexibility with a personality trait, the level of neophobia. Due to the low number of male individuals captured, this study was carried out only with female birds. The results showed that age had no significant effect either on the acquisition of a stimulus-reward association, or on the capacity of reversing this previously learned association. Reversal of the response was a harder task for these birds in comparison with the initial acquisition process. The individual’s performances in the learning tasks seemed to be uncorrelated with each other, suggesting that they involve different neural mechanisms. Contrary to the general pattern observed in the majority of previous work on personality and cognition in non-human animals, the level of neophobia did not correlate with the initial associative learning performance in both adults and juveniles, yet it showed a significant negative relationship with reversal learning ability, mainly in the regressive phase of this task, for the two age classes. Our results suggest that the predatory and generalist lifestyle of female individuals of M. chimango along with the selective pressures of the environment of the individuals studied might play a critical role in the degree and direction of the linkage between novelty response and learning flexibility observed in this study. 相似文献
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193.
Mariana Alonso Haydee Viola Ivan Izquierdo Jorge H Medina 《Neurobiology of learning and memory》2002,77(1):119-124
The extracellular signal-regulated kinases (ERKs) family of mitogen-activated protein kinases (MAPKs) has been shown to participate in memory formation. We recently found that a hippocampal ERK/MAPK cascade is required for memory formation of an inhibitory avoidance training in rats. Here we reported that this learning task is accompanied by a rapid increase in the phosphorylation of hippocampal p44 MAPK. A single mild foot shock produced a similar effect and three consecutive foot shocks provoked the activation of both p44 and p42 MAPKs. In contrast, a brief exposure to the training box or the habituation to an open field did not alter hippocampal ERK/MAPK levels. Together, these findings indicate that aversive behavioral experiences induced a rapid and transient activation of ERK/MAPKs in the hippocampus. 相似文献
194.
Despite a central role for dysfunctional attitudes in cognitive theories of depression and the widespread use of the Dysfunctional Attitude Scale, form A (DAS-A; A. Weissman, 1979), the psychometric development of the DAS-A has been relatively limited. The authors used nonparametric item response theory methods to examine the DAS-A items and develop a briefer version of the scale. Using DAS-A data obtained from depressed participants enrolled in 2 large depression treatment studies (N=367), the authors developed a 9-item DAS form (DAS-SF1). In addition, because 2 versions of the DAS are needed for certain study designs, they also developed a 2nd short version (DAS-SF2). These short forms were highly correlated with the original 40-item DAS-A (rs ranged from .91 to .93), exhibited change similar to that of the DAS-A over the course of treatment, were moderately correlated with related self-report assessments, predicted concurrent depression severity, and predicted change in depression from before to after treatment. Taken together, the authors believe the DAS-SF1 and DAS-SF2 provide an efficient and accurate assessment of dysfunctional attitudes among depressed individuals. 相似文献
195.
International Journal of Hindu Studies - This article investigates the authorship of the Īśopaniṣadbhāṣya and the Kaṭhopaniṣadbhāṣya, which are... 相似文献
196.
In these passages I would like to reflect about the need for structured forms of organization and struggle in feminist movements. I try to point out the importance for feminist movements of increasingly opening up to forms of interrelation with other social forces in order to construct democracy. 相似文献
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198.
Ivan W. Miller Christine E. Ryan Gabor I. Keitner Duane S. Bishop & Nathan B. Epstein 《Journal of Family Therapy》2000,22(2):168-189
The McMaster Approach to Families is a comprehensive model of family assessment and treatment. This paper provides an overview of the McMaster Approach and consists of five major sections. First, the under-lying theoretical model (McMaster Model of Family Functioning) is described. Second, the three assessment instruments of the approach (Family Assessment Device, McMaster Clinical Rating Scale, McMaster Structured Interview of Family Functioning) and their psychometric properties are summarized. Third, the family treatment model (Problem Centered Systems Therapy of the Family) is presented. Fourth, the research conducted using the McMaster Approach is reviewed. Finally, the clinical uses and advantages of the McMaster Approach are discussed. 相似文献
199.
Ivan Strenski 《Journal of the history of the behavioral sciences》1985,21(4):354-371
In pointing to Durkheimian precedents for structuralism, Claude Lévi-Strauss typically indicates Marcel Mauss. Yet, although Mauss wrote much on myth, Lévi-Strauss never cites Mauss as setting precedents for structural mythology. This seems so for at least two reasons. First, Henri Hubert, not Mauss, turns out to be the real myth specialist of Emile Durkheim's original équipe, thus making the équipe's theory primarily Hubert's. Second, Hubert's theory of myth is only problematically structural. More consistent with theories at odds with structuralism, especially Maurice Leenhardt's religious phenomenology, Durkheimian mythology must be displaced if structural mythology is to distinguish itself. 相似文献
200.
Ling Jin Chiachih DC Wang Danna Bismar Ivan Carbajal Wenzhen Zhu 《Journal of multicultural counseling and development》2024,52(1):64-78
This study examined the role of cognitive flexibility and collective coping in the relationship between adult attachment and life satisfaction while comparing Black, Indigenous, and People of Color (BIPOC; n = 187) and White (n = 135) groups. Result showed that the relationship between attachment anxiety and life satisfaction was mediated via cognitive flexibility and collective coping only in the BIPOC group. This study informs culturally responsive attachment-based counseling and advances literature from a decolonial perspective. 相似文献