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Pedro Bezerra Shi Zhou Zachary Crowley Allan Davie Robert Baglin 《Journal of motor behavior》2013,45(5):413-421
It is known that electromyostimulation (EMS) alone or superimposed over voluntary contraction (EV) can effectively improve muscle strength. However, the effect of this type of training on the ability to control force production at submaximal levels is unknown. The authors examined the effects of EV training on steadiness in force production of knee extensors and flexors in older adults. Forty participants, including 20 men and 20 women, 60–77 years of age, were randomly allocated into a control group (CG) and an electromyostimulation superimposed over voluntary contraction (EVG) group. The EVG performed 30 bilateral isometric knee extension and flexion contractions per session, 3 training sessions per week, for 6 weeks. The variations in force production, expressed in absolute (standard deviation [SD]) and relative (coefficient of variation [CV]) terms, were assessed in isometric contractions at 5%, 15% and 25% maximal voluntary contraction (MVC) levels. Results indicated that MVC increased in knee extension and flexion in EVG (p < .05) after the training; steadiness CV also improved at 15% MVC in knee flexion (p < .05) but no significant changes were found in knee extension and steadiness SD. The training-induced changes in MVC were not correlated to steadiness CV that might indicate different mechanisms underlying these adaptations. 相似文献
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Dr Anne Zachary 《Psychoanalytic Psychotherapy》2013,27(1):77-91
This is an account of the extended assessment of a 22-year-old man who was initially sent for a court report, having been accused of setting fires. He had a history both of delinquency and, importantly, of childhood asthma. Although he proved unable to engage in psychotherapy, some management was provided, such as Winnicott advocates in cases of delinquency. This paper explores the symbolic meanings and functions of the patient's delinquent acts, drawing upon theoretical concepts from Freud, Aichhorn, and Deutsch. Of particular importance is the link between this patient's delinquency, his asthma, and the unresolved mourning for his dead mother which he carried not simply for himself but for his whole family. 相似文献
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Zachary Simpson 《Zygon》2013,48(2):405-427
In response to recent theories of emergence which attempt to examine system dynamics and the evolution of complexity from physics to biology and consciousness, a number of theologians have attempted to distill religious insights from a philosophical concept of emergence. Recent work by Terrence Deacon, however, which emphasizes constraint and a process understanding of complexity, undercuts significant features in emergent theologies, namely the privileging of certain loci within emergent complexity, an emphasis on efficient causation, and, theologically, an agential and personal God. The final section of this article, using the example of Navaho religious thought, argues that other religious insights which centralize norm‐ativity, global features of complexity, and are depersonalized, have greater traction with current scientific theories of emergence. 相似文献
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Brittany B. Kugler Marlene Bloom Lauren B. Kaercher Samantha Nagy Tatyana V. Truax Kevin M. Kugler Joseph F. McGuire Eric A. Storch 《Journal of child and family studies》2013,22(2):244-252
Information-processing theories posit that persons who have experienced trauma may have disturbed emotional processing and therefore exhibit an excess of negative responses to otherwise neutral cues. The role of this mechanism in traumatized children has yet to be fully investigated. This study examined the relationship of varied clinical characteristics and theoretically relevant moderating variables to increased trauma related responding on a non-idiographic sentence completion task. One hundred and eighty-nine children (ages 6–17) residing at a residential home between 1996 and 2011 who had experienced physical, emotional and/or sexual abuse were administered a sentence completion task and the Trauma Symptom Checklist for Children (TSCC) shortly after their admission. Three independent raters determined whether sentence completion responses were trauma related (TRR), non-trauma related, or ambiguous. Trauma related responses were then reviewed for either avoidant/denial style responding or loss related responding. The TSCC posttraumatic stress subscale (PTS) was the only subscale that was uniquely related to TRR. A significant interaction between abuse type and PTS was found with sexual abuse moderating the effect of PTS on TRR. Additionally, age at assessment was positively correlated with both TRR and loss related responding. Time since removal from home was negatively correlated with TRR. Gender differences were found for TRR and loss related responding. These findings highlight the empirical relevance of the sentence completion task in clinical research. Results are discussed in terms of their implications for research, assessment, and intervention. 相似文献
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Individual differences in convergent and divergent thinking may uniquely explain variation in analogical reasoning ability. Across two studies we investigated the relative influences of divergent and convergent thinking as predictors of verbal analogy performance. Performance on both convergent thinking (i.e., Remote Associates Test) and divergent thinking (i.e., Alternative Uses Task) uniquely predicted performance on both analogy selection (Studies 1 and 2) and analogical generation tasks (Study 2). Moreover, convergent and divergent thinking were predictive above and beyond creative behaviours in Study 1 and a composite measure of crystallised intelligence in Study 2. Verbal analogies in Study 2 also varied in semantic distance, with results demonstrating divergent thinking as a stronger predictor of analogy generation for semantically far than for semantically near analogies. Results thus further illuminate the link between analogical reasoning and creative cognition by demonstrating convergent and divergent thinking as predictors of verbal analogy. 相似文献
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Children are strikingly good at learning the meanings of words. Current controversy focuses on the relative importance of different capacities in this learning process including principles of association, low-level attentional mechanisms, special word learning constraints, syntactic cues and theory of mind. We argue that children succeed at word learning because they possess certain conceptual biases about the external world, the ability to infer the referential intentions of others and an appreciation of syntactic cues to word meaning. Support for this view comes from studies exploring the phenomena of fast mapping, the whole object bias, the acquisition of names for entities belonging to different ontological kinds and the effect of lexical contrast. Word learning is not the result of a general associative learning process, nor does it involve specialized constraints. The ability to learn the meanings of words depends on a number of capacities, some of which are specific to language and unique to humans, others of which are potentially shared with other species. 相似文献
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