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281.
In two studies we analyzed the predictors of participation in an Italian Lulu mobilization, rooted in the Susa Valley, a North-Western Italian valley where a high speed railway (HSR) should be sited. Based on the data of qualitative Study 1, performed interviewing 12 anti-HSR militants and 12 non anti-HSR militants, we hypothesized that Klandermans' (1997) model on participation (centered on group identification, sense of injustice, and collective efficacy) is suitable to predict the Lulu mobilization we studied, and that three contextual variables (community involvement, the perception of the existence of a vast majority in the community favoring the mobilization, and place attachment) may be added to Klandermans' to predict such a mobilization. We formally tested such hypotheses in quantitative Study 2 (representative sample of the people living in the Susa Valley, N = 250). Results supported the role of Klandermans' (1997) variables and confirmed the influence exerted by our contextual variables, thus suggesting that an integration of the two models would be fruitful in the analysis of Lulu mobilizations. Limits and future developments of this research are discussed. 相似文献
282.
We examined the question—is the intention of completing a simulated motor action the same as the intention used in processing overt actions? Participants used motor imagery to estimate distance reachability in two conditions: Imagery-Only (IO) and Imagery-Execution (IE). With IO (red target) only a verbal estimate using imagery was given. With IE (green target) participants knew that they would actually reach after giving a verbal estimate and be judged on accuracy. After measuring actual maximum reach, used for the comparison, imagery targets were randomly presented across peripersonal- (within reach) and extrapersonal (beyond reach) space. Results indicated no difference in overall accuracy by condition, however, there was a significant distinction by space; participants were more accurate in peripersonal space. Although more research is needed, these findings support an increasing body of evidence suggesting that the neurocognitive processes (in this case, intention) driving motor imagery and overt actions are similar. 相似文献
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Executive Functions in School‐age Children: Influence of Age,Gender, School Type and Parental Education
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Geise Machado Jacobsen Clarissa Martins de Mello Renata Kochhann Rochele Paz Fonseca 《Applied cognitive psychology》2017,31(4):404-413
Summary: This study aimed to evaluate whether age, gender, type of school and parental education could predict executive performance in school‐age children. Unconstrained, phonemic and semantic verbal fluency tasks (n = 402), as well as the Hayling Sentence Completion Test (n = 275) and the Random Number Generation task (n = 274) were administered to typically developing 6‐to‐12‐year‐old children. A hierarchical regression analysis was performed (p ≤ 0.05). The most significant explanatory models involved child age and parental education, as well as these two variables in addition to the type of school attended by the child. The main individual predictors of executive performance were age and school type. These results may be related to structural and functional alterations in the brain, an increased repertoire of cognitive strategies, the effects of education and the intensity of environmental cognitive stimulation. These findings may contribute to the development of stimulation and intervention programs for EF in clinical and educational settings.Copyright © 2017 John Wiley & Sons, Ltd. 相似文献
285.
Jesus Alfonso D. Datu Jose Alberto S. Reyes 《Current psychology (New Brunswick, N.J.)》2017,36(1):14-21
In the Western settings, power positively predicted happiness (e.g., Kifer et al. 2013). Though, this result may not be generalized across cultures as cultural psychologists recognized that interdependence is more important in collectivist cultures. Consistent with this conjecture, Datu and Reyes (2014) assessed the relations among power, relations, and happiness in the Philippine setting which revealed that power negatively predicted happiness. However, not much is known on why power could potentially reduce happiness in collectivist cultures. Thus, the current investigation employed qualitative research to offer in-depth explanations on why power may be associated with lower happiness in a collectivist setting. Findings revealed three major themes that characterized reasons on why power may decrease happiness in an interdependent context: a.) Power impairs relationship; b.) Power evokes negative judgments from others; and c.) Power comes with a great responsibility. The theoretical and practical implications of these results are discussed. 相似文献
286.
Fabiana Rita Camara Machado Priscilla Pereira Antunes Jandara De Moura Souza Antônio Cardoso Dos Santos Daniela Centenaro Levandowski Alcyr Alves De Oliveira 《Journal of motor behavior》2017,49(3):273-280
The authors aimed to investigate the effects of an intervention based on interactive game set with the movement sensor Kinect on children with cerebral palsy (CP). Twenty-eight participants were recruited. Their age was between 3 and 12 years old, and rated as level I, II, or III on the Gross Motor Function Classification System. They played two games from the Xbox 360 Kinect system and were evaluated using the Gross Motor Function Measure (GMFM) after a period of 8 weeks. The intervention led to significant motor function improvement as increase of the global scores on the GMFM (p < .001). Rehabilitation interventions using the Xbox 360 Kinect interactive games may represent useful tools for children with CP. 相似文献
287.
AbstractElite athletes are characterized by their high level of performance in sport. Since the very beginnings of sport, it has been understood that physical and physiological abilities influence the performance of athletes. Advances in scientific knowledge, especially sport psychology and neuroscience, seem to confirm this intuition and consequently it is possible to characterize elite athletes as having an extraordinary combination of physical and mental abilities. Techniques and substances that contribute to enhancing physical characteristics of athletes have also been well known for ages. But it is now possible to make use of other techniques and substances that not only enhance physical abilities but also cognitive capabilities, which seem to require greater consideration given their direct impact on the athlete’s brain. In this article, we examine two such techniques, cognitive enhancers and transcranial stimulators, and highlight the potential advantages and drawbacks that applying each one may have on sport. Given the relative novelty of these enhancement techniques and substances and the absence of conclusive evidence regarding their short- and long-term effects, we deem that their use ought to be strictly governed by cautionary principles. But due to that same lack of evidence, we believe that the possibility of examining the feasibility of applying these techniques to sport should not be denied. 相似文献
288.
Pilar Bustillo-Casero Sara Cebrian-Bou Carlos Cruz-Montecinos Alberto Pardo 《Journal of motor behavior》2020,52(2):187-195
Abstract The aim was to assess dual- versus single-task training for motor performance and cognitive performance in adolescents. Two experiments were performed. In the first, 30 adolescents were randomized to three groups to determine the effect of dual-task difficulty on postural control: α-scaling and root mean square (RMS). In the second, 20 adolescents were randomized to two groups to determine the effect of dual-task practice to improve working memory. RMS in the post-test was lower than the pre-test in both dual-task groups, while α-scaling was lower in post-test than pre-test only in the high-difficulty dual-task group. A practice effect was observed on the percentage of correct answers only in the dual-task group (p?=?0.035). Thus, dual-task training could enhance motor and cognitive performance more than single-task training. 相似文献
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Valeria V. González Alejandro Macías Armando Machado Marco Vasconcelos 《Journal of the experimental analysis of behavior》2020,113(3):591-608
When given a choice between two alternatives, each offering food after the same delay with different but signaled probabilities, pigeons often prefer the low probability alternative. This preference is surprising because pigeons fail to maximize the rate of food intake; they exhibit a suboptimal preference. We advance a new explanation, the Δ–∑ hypothesis, in which the difference in probability of reinforcement within terminal links (Δ) and the overall reinforcement probability rate of each alternative (∑) are the key variables responsible for such suboptimal preference. We tested the Δ–∑ hypothesis in two experiments. In Experiment 1, we manipulated the Δs while maintaining constant all other parameters of the task, in particular the ∑s. We predicted a preference for the alternative with the larger Δ. In Experiment 2, we examined the effect of the overall reinforcement probabilities, the ∑s, while maintaining constant all other parameters of the task, in particular the Δs. We predicted a preference for the larger ∑. The results of both experiments support the Δ–∑ hypothesis. 相似文献