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This study investigates if infants perceive an unfamiliar agent, such as the robot Keepon, as a social agent after observing an interaction between the robot and a human adult. 23 infants, aged 9–17 month, were exposed, in a first phase, to either a contingent interaction between the active robot and an active human adult, or to an interaction between an active human adult and the non-active robot, followed by a second phase, in which infants were offered the opportunity to initiate a turn-taking interaction with Keepon.The measured variables were: (1) the number of social initiations the infant directed toward the robot, and (2) the number of anticipatory orientations of attention to the agent that follows in the conversation. The results indicate a significant higher level of initiations in the interactive robot condition compared to the non-active robot condition, while the difference between the frequencies of anticipations of turn-taking behaviors was not significant. 相似文献
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Muscle fatigue is a common phenomenon experienced in everyday life which affects both our force capacity and movement production. In this paper, we review works dealing with muscle fatigue and motor control and we attempt to demonstrate how the Central Nervous System deals with this particular state. We especially focus on how internal models – neural substrates which can estimate the current state as well as the future state of the body – face this internal perturbation. Moreover, we show that muscle fatigue is an interesting investigative tool in understanding the mechanisms involved in posture–movement coordination. 相似文献
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Self-report personality tests are used widely, but it is not uncommon for an individual’s scale score to be invalid due to Socially Desirable Responding (SDR): answering to be viewed favourably. Various indices exist to detect SDR (e.g., faking). The Marlowe–Crowne Social Desirability Scale (MCSDS) formerly was the most popular. The current gold standard is the Balanced Inventory of Desirable Responding (BIDR), considered more sensitive because its development incorporated newer theoretical and empirical understanding of SDR and more sophisticated multivariate techniques. We compare the efficacy of these measures with surprising results: the MCSDS consistently outperforms the BIDR in identifying fakers. This finding indicates that the MCSDS should be retained because it captures elements of faking more effectively than the modern scale. 相似文献
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Giuseppe Mannino Serena Giunta Veronica Montefiori Giancarlo Tamanza Calogero Iacolino Cinzia Novara 《World Futures: Journal of General Evolution》2019,75(7):462-479
The physical activity and sport are key elements for a healthy lifestyle. However, a little-investigated element is the presence of a possible relationship between school or academic performance and the participation in physical activity and sport in groups of preadolescents and adolescents. In order to clarify the complex relationship between mind and body in preadolescence and adolescence, the present discussion investigates the causal and direct relationship between sport activity and performance; and describes how this relationship can be mediated by the sense of self-esteem and self-efficacy; and investigates the relationship between group sports practice and school or academic performance. 相似文献