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321.
Pineño O 《Psychonomic bulletin & review》2007,14(6):1115-1124
The present article presents a response rule developed to account for both positive and negative stimulus interaction. In
the response rule proposed here, positive interaction phenomena (e.g., second-order conditioning) and negative interaction
phenomena (e.g., Pavlovian conditioned inhibition) are presumed to occur during performance and acquisition, respectively.
Also, in this rule the novelty of the test stimulus determines the expression of positive interaction on responding. As the
stimulus loses its novelty over training, positive interaction effects will wane, which will allow negative interaction effects
to emerge in responding elicited by the stimulus. It is proposed that this response rule can be adopted by acquisition-focused
associative models (e.g., Rescorla & Wagner, 1972) in order to account for contrary associative phenomena in the literature.
The simulation program used in this study is available for download from the author’s website and from the Psychonomic Society
website at www.psychonomic.org/archive. 相似文献
322.
Kart-Teke E Dere E Brandão ML Huston JP De Souza Silva MA 《Neurobiology of learning and memory》2007,87(3):324-331
We previously showed that a systemic administration of the selective non-peptide neurokinin-1-receptor (NK-1-R) antagonist SR140333 increases hippocampal acetylcholine levels and facilitates long term memory. In the present study, we investigated whether systemic SR140333 has beneficial effects on episodic-like memory for unique experiences. Rats received either no injection, a vehicle injection or SR140333 at doses of 1, 3 and 9 mg/kg (i.p.) prior to the acquisition of an object memory for what, where and when. In line with previous results, untreated rats showed episodic-like memory, while vehicle-injected rats were impaired. A low dose of 1mg/kg SR140333 reinstated episodic-like memory. This result might be related to the effects of SR140333 on hippocampal cholinergic transmission and/or on the stress-response elicited by the injection procedure. Higher doses of SR140333 (3 and 9 mg/kg) induced psychomotor effects, including stereotypic behaviors and arched posture. Since NK-1-R antagonists have anxiolytic and promestic properties and induce hippocampal acetylcholine release at lower doses, they might be effective in the alleviation of the cognitive deficits and increased anxiety seen in early stages of Alzheimer's disease. 相似文献
323.
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325.
Claudio Bolzman 《Journal of International Migration and Integration》2007,8(4):357-373
This article deals with the opportunities foreign workers have to participate in the job market on an equal footing in the state in which they reside. Using Switzerland as an example, we will pay particular attention to the possibility or not for qualified foreign workers to transfer their cultural capital (Bourdieu, La distinction. Critique sociale du jugement, Paris: Minuit, 1979) from their home to their new country, in other words to perform a job matching their level of training and which enables them to emphasize the professional qualification obtained in the past. 相似文献
326.
Child negative emotionality and parenting from infancy to preschool: a meta-analytic review 总被引:1,自引:0,他引:1
This meta-analytic review (k = 62 studies; N = 7,613 mother-child dyads) shows that effect sizes for the association between child negative emotionality and parenting were generally small and were moderated by sample and measurement characteristics. The association between more child negative emotionality and less supportive parenting was relatively strong in lower socioeconomic status families, reversed in higher socioeconomic status families, and limited to studies with relatively high percentages of participants from ethnic minorities and studies using parent report to assess negative emotionality. Higher levels of child negative emotionality were associated with more restrictive control in samples with less than 75% 1st-born children, as well as in infants and preschoolers, and in studies using parent report or composite measures to assess both negative emotionality and restrictive parenting. Finally, more child negative emotionality was associated with less inductive control. 相似文献
327.
Fatalism has been a central framework for understanding the psychological processes in cultures with pronounced collectivism that are economically poorly developed. In this context, fatalism emerges as cognitive schema defined by passive and submissive acceptance of an irremediable destiny, governed by some natural force or the will of some God. This image has now lost such a clear profile. But currently, fatalism also accompanies the life of people from individualist cultures, who live in a highly developed, or even opulent, economic context. In this case, fatalism is like some mood of uncertainty, insecurity, and helplessness following the events that characterize the society of global risk. In this paper, we propose a theory to develop the two faces of fatalism. 相似文献
328.
Health is a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity. In order to specify the contents of this positive state, the Complete State Model of Health (CSMH) considers mental health as a series of symptoms of hedonia and positive functioning, operationalized by measures of subjective, psychological, and social well-being. This model has empirically confirmed two new axioms: (a) rather than forming a single bipolar dimension, health and illness are correlated unipolar dimensions, and (b) the presence of mental health implies positive personal and social functioning. In the present article, we have taken the CSMH as the theoretical framework for the study of depression. Confirmatory factor analyses did not support the first axiom. In fact, the model that posits that measures of mental illness and health form a single bipolar dimension provided the best fit to the data. 相似文献
329.
García-Rodríguez O Secades-Villa R Alvarez Rodríguez H Río Rodríguez A Fernández-Hermida JR Carballo JL Errasti Pérez JM Al-Halabí Díaz S 《Psicothema》2007,19(1):134-139
The high drop-out rate in treatment programs is one of the most important problems in the area of drug addictions. This study evaluated the effect of the use of incentives on retention in an outpatient program for cocaine addicts. The effect of individual variables on program drop-out was also analysed. Participants were 66 subjects who were randomly assigned to one of three treatment groups: standard treatment, treatment with incentives I, and treatment with incentives II. The patients of these two groups received incentives contingent on cocaine abstinence with two different magnitudes. Retention rate at six months was 35% in the standard treatment, 78.6% in the treatment with incentives I, and 53.3% in the treatment with incentives II. The global prognostic capacity of the individual variables (sociodemographic, history and consumption pattern, psychopathological variables, and EuropASI scores) was 85.7%, with the psychopathological variables being more closely related to retention. These results suggest that the use of incentives may be an effective strategy to improve retention in outpatient treatments for cocaine addiction. 相似文献
330.
Research approaches leading to the understanding of the terrorist phenomenon are suggested. Seven principles explaining terrorism are analysed from a psychosocial approach: They could complete the explanations of terrorism focused in socio-structural and psychological variables, the latter being insufficient and often erroneous. Thus, terrorism is presented as a strategy of political influence, and the psychological attributes of terrorists are explained as the result of several influential social processes. We considered that terrorist attacks and campaigns correspond to strategic reasons, but we also assume that the rationality of the terrorists perspective is limited. As far as the organisational parameters are concerned, we propose an analogy with ordinary social movements, especially relating to their ideological frameworks of legitimisation and resource mobilization processes. 相似文献