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We surveyed 281 undergraduates to assess their sexual preference for a firstborn child and their willingness to use sex selection technology. Results indicated overall preference for a boy among these respondents whether or not they indicated a willingness to use reproductive technology. Black women reported a greater willingness to use technology than did White women (p < .05), and older respondents (p < .10) also reported a greater intention to use the technology. Catholics were less willing to use technology than all other religious sects (p < .05). Of the 51 respondents who indicated their willingness to use technology, 73% preferred sons (p < .01). This finding held across sex, race, religion, age, and income levels. Support for the women's movement was unrelated to either preference or projected use of sex selection technology. 相似文献
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The aim of the study was to investigate the effect of both word age of acquisition (AoA) and frequency of occurrence on the timing and topographical distribution of ERP components. The processing of early- versus late-acquired words was compared with that of high-frequency versus low-frequency words. Participants were asked to perform an orthographic task while EEG was recorded from 128 sites. RTs showed an effect of both word AoA and lexical frequency. ERPs revealed a neuro-functional dissociation between AoA and frequency effects in early word processing. AoA modulated the amplitude of left occipito-temporal selection-negativity, suggesting an effect of AoA on early orthographic and lexical access and revealing the crucial role of AoA in determining how words are neurally represented in the ventral pathway. Lexical frequency modulated the amplitude of left anterior negativity, providing evidence for the involvement of the left inferior frontal cortex in the processing of low-frequency words. 相似文献
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Roberta Patalano 《The International journal of psycho-analysis》2017,98(5):1359-1384
The paper deals with imagination and its failures from a psychoanalytic perspective. We offer a definition of imagination failures and suggest how they can be interpreted as an opportunity to learn from experience. In order to show that the topic has a concrete and not only speculative significance we consider the public report on September 11 as a case study. The report was published by the National Commission on Terrorist Attacks Upon the United States after a long investigation of the facts and circumstances relating to the September 11 attacks. The document has been the object of strong criticisms, as we argue in the paper. Both the document and some of the critiques that it received focus, however, on significant aspects of the debate about imagination, such us the fragility of imaginative thought, its dependence on unconscious desires and its plurality of outcomes: a plethora of imaginaries can in fact be developed at any time, from the same set of information about reality. We comment on these aspects and reinterpret them from a Bionian perspective. The concepts of ‘unthinkability’, ‘imagination failure’ and ‘depressive position’ are used to inform the necessity of dealing with an evolving and conflictual geopolitical scenario. Particular attention is paid to the proposal of ‘routinizing, even bureaucratizing, the exercise of imagination’ within the institutions that deal with National Defense. This possibility is discussed in depth in order to suggest how it may be concretely implemented. In conclusion, a strong case is made for the usefulness of psychoanalytic reflection in the arena of relationships among countries, with particular emphasis on the new terrorist challenges. 相似文献
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Roberta Delasta Lazzari Fabiano Politti Stefany Ferreira Belina Luanda André Collange Grecco Cibele Almeida Santos Arislander Jonathan Lopes Dumont 《Journal of motor behavior》2017,49(3):329-336
The authors' aim was to investigate the effects of continuous transcranial direct current stimulation (tDCS) combined with virtual reality training on static and functional balance in children with cerebral palsy (CP). Twenty children with CP (6 girls and 14 boys; M age = 7 years 6 months ± 2 years) were randomly allocated to two groups. The experimental group received active tDCS and the control group received sham stimulation during the 10 sessions of virtual reality mobility training protocols. The children were evaluated on 3 occasions (preintervention, postintervention, and 1-month follow-up). Static balance was evaluated using a force plate under 4 conditions: feet on force plate with (a) eyes open and (b) with eyes closed, and feet on foam mat with (c) eyes open and (d) with eyes closed. Functional balance was evaluated using the Pediatric Balance Scale and the Timed Up and Go Test. The analyses demonstrated statistically significant postintervention and follow-up effects favoring the experimental group over the control group with regard to the Pediatric Balance Scale, Timed Up and Go Test, and area of oscillation of the center of pressure when standing on the force plate with eyes open. The present findings suggest that tDCS can potentiate the effects of virtual reality training on static and functional balance among children with CP. 相似文献
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The transfer of Crel contextual control (same,opposite, less than,more than) through equivalence relations
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William F. Perez Roberta Kovac Yara C. Nico Daniel M. Caro Adriana P. Fidalgo Ila Linares João Henrique de Almeida Júlio C. de Rose 《Journal of the experimental analysis of behavior》2017,108(3):318-334
According to Relational Frame Theory (RFT) Crel denotes a contextual stimulus that controls a particular type of relational response (sameness, opposition, comparative, temporal, hierarchical etc.) in a given situation. Previous studies suggest that contextual functions may be indirectly acquired via transfer of function. The present study investigated the transfer of Crel contextual control through equivalence relations. Experiment 1 evaluated the transfer of Crel contextual functions for relational responses based on sameness and opposition. Experiment 2 extended these findings by evaluating transfer of function using comparative Crel stimuli. Both experiments followed a similar sequence of phases. First, abstract forms were established as Crel stimuli via multiple exemplar training (Phase 1). The contextual cues were then applied to establish arbitrary relations among nonsense words and to test derived relations (Phase 2). After that, equivalence relations involving the original Crel stimuli and other abstract forms were trained and tested (Phase 3). Transfer of function was evaluated by replacing the directly established Crel stimuli with their equivalent stimuli in the former experimental tasks (Phases 1 and 2). Results from both experiments suggest that Crel contextual control may be extended via equivalence relations, allowing other arbitrarily related stimuli to indirectly acquire Crel functions and regulate behavior by evoking appropriate relational responses in the presence of both previously known and novel stimuli. 相似文献
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Sighted blindfolded individuals can successfully classify basic facial expressions of emotion (FEEs) by manually exploring simple 2-D raised-line drawings (Lederman et al 2008, IEEE Transactions on Haptics 1 27-38). The effect of training on classification accuracy was assessed by sixty sighted blindfolded participants (experiment 1) and by three adventitiously blind participants (experiment 2). We further investigated whether the underlying learning process(es) constituted token-specific learning and/or generalization. A hybrid learning paradigm comprising pre/post and old/new test comparisons was used. For both participant groups, classification accuracy for old (ie trained) drawings markedly increased over study trials (mean improvement --76%, and 88%, respectively). Additionally, RT decreased by a mean of 30% for the sighted, and 31% for the adventitiously blind. Learning was mostly token-specific, but some generalization was also observed for both groups. The sighted classified novel drawings of all six FEEs faster with training (mean RT decrease = 20%). Accuracy also improved significantly (mean improvement = 20%), but this improvement was restricted to two FEEs (anger and sadness). Two of three adventitiously blind participants classified new drawings more accurately (mean improvement = 30%); however, RTs for this group did not reflect generalization. Based on a limited number of blind subjects, our results tentatively suggest that adventitiously blind individuals learn to haptically classify FEEs as well as, or even better than, sighted persons. 相似文献
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