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Hua-Chen Wang Greg Savage M. Gareth Gaskell Tamara Paulin Serje Robidoux Anne Castles 《Psychonomic bulletin & review》2017,24(4):1186-1193
Lexical competition processes are widely viewed as the hallmark of visual word recognition, but little is known about the factors that promote their emergence. This study examined for the first time whether sleep may play a role in inducing these effects. A group of 27 participants learned novel written words, such as banara, at 8 am and were tested on their learning at 8 pm the same day (AM group), while 29 participants learned the words at 8 pm and were tested at 8 am the following day (PM group). Both groups were retested after 24 hours. Using a semantic categorization task, we showed that lexical competition effects, as indexed by slowed responses to existing neighbor words such as banana, emerged 12 h later in the PM group who had slept after learning but not in the AM group. After 24 h the competition effects were evident in both groups. These findings have important implications for theories of orthographic learning and broader neurobiological models of memory consolidation. 相似文献
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Kendra M. Cherry-Allen Jeff M. Gidday Jin-Moo Lee Tamara Hershey 《Journal of motor behavior》2017,49(3):337-348
The authors tested whether 2 doses of remote limb ischemic conditioning (RLIC), induced via blood pressure cuff inflation, enhanced motor and cognitive learning to an equal extent, and explored a panel of blood biomarkers of RLIC. Thirty-two young adults were randomized to 3 groups and underwent a 7-day protocol of RLIC/sham followed by motor and cognitive training, with follow-up. Both RLIC groups had greater motor learning and a trend toward greater cognitive learning compared with the sham group. RLIC at the lower inflation pressure was as effective as RLIC with the higher inflation pressure. No significant candidate blood biomarkers were found. RLIC could be a well-tolerated method to enhance learning and improve rehabilitation outcomes in people with neurological conditions. 相似文献
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Anne McDonald Culp Rex E. Culp Tamara Hechtner‐Galvin Christina S. Howell Tara Saathoff‐Wells Pam Marr 《Infant mental health journal》2004,25(1):1-15
Professionals in the field of child development were employed to provide home visitation services to 156 mothers and infants prenatally through the infants' first birthdays. Compared to a control group of mothers (n = 107), the intervention mothers utilized more community resources, had safer homes, had more appropriate developmental expectations, had better understanding of noncorporal punishment, and had behaviors that were more accepting and respectful to their infants. The home visitors were well educated, with experience in home visitation, and supervised. Program implementation procedures were documented and supervised. Program fidelity and the efficacy of using child development specialists as home visitors are discussed in regards to the positive findings. ©2004 Michigan Association for Infant Mental Health. 相似文献
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As an investigation into the feasibility of recording personality status from questionnaire data in younger people we used a three phase Delphi survey to assess items from the Christchurch Health and Development Study, administered at ages 12 to 16 years. Twelve experts took part in Phase I, and 22 in Phases II and III, 16 of whom were experts in adult personality disorder (PD), and 6 were experts who work with children. In total, 189 questions (55% of the total (238) in the questionnaires) were identified as possibly being related to personality abnormality in one or more clusters with high consensus. Experts who work with children were less likely to label features as related to personality than experts in PD (p < 0.001), and the four personality factors (equivalent to Mulder and Joyce's antisocial, asocial, asthenic, and anankastic) chosen for assessment showed variable agreement. Confirmatory factor analysis showed the best fitting model of the data was a 3 factor solution involving asocial/asthenic, antisocial, and anankastic factors. This represents the first attempt to use existing recorded data to code personality status and the results of this Delphi survey give some grounds for optimism that this approach has potential in the early identification of personality features. 相似文献
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While much developmental research has focused on the strategies that children employ to recognize faces, less is known about the principles governing the organization of face exemplars in perceptual memory. In this study, we tested a novel, child-friendly paradigm for investigating the organization of face, bird and car exemplars. Children ages 3-4, 5-6, 7-8, 9-10, 11-12 and adults were presented with 50/50 morphs of typical and atypical face, bird and car parent images. Participants were asked to judge whether the 50/50 morph more strongly resembled the typical or the atypical parent image. Young and older children and adults showed a systematic bias to the atypical faces and birds, but no bias toward the atypical cars. Collectively, these findings argue that by the age of 3, children encode and organize faces, birds and cars in a perceptual space that is strikingly similar to that of adults. Category organization for both children and adults follows Krumhansl's (1978) distance-density principle in which the similarity between two exemplars is jointly determined by their physical appearance and the density of neighboring exemplars in the perceptual space. 相似文献
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Patti Tamara Lenard 《Ethical Theory and Moral Practice》2010,13(3):315-332
Increasingly, western democratic countries are bearing witness to immigrant protest, that is, protest by immigrants who are
dissatisfied with their status in the host community. In protesting, the immigrants object to the ways in which various laws
and practices have proved to be obstacles to their full integration. Because immigrants, upon entering, have consented to
abide by the rules and regulations of the host state, it might be thought that these forms of civil disobedience are, effectively,
contract violations. Immigrants might therefore be thought to have a particularly stringent duty to abide by the laws of their
host state. This paper evaluates whether immigrants are indeed under a special duty to abide by the laws of their host state.
First, it suggests that it is useful — although incomplete — to apply the device of the ‘contract’ to understanding the relationship
between new immigrants and the host community. Second, it argues that there are limits to what can be demanded of and by immigrants
as well as of and by host communities. It then turns to offering principles that help to evaluate the motivations of immigrant
protestors, as well as that help guide their actions, when they believe that the community they have joined is treating them
unjustly. These principles suggest that immigrant protest actions are subject to the restriction that they do not undermine
the possibility of an inclusive democratic community. 相似文献