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M. M. Bezrukikh 《Human physiology》2005,31(5):539-544
The temporal and qualitative organization of writing movements was studied in six- to seven-year-old and nine- to ten-year-old right-handed and left-handed children with underdeveloped visuomotor coordination. The characteristic features of the temporal and qualitative organization of these movements at different stages of motor skill formation were found. Regarding the temporal structure of the series of writing movements, a pause was observed between individual movements in the series of motor task formation. The duration of this pause may serve as a criterion of the degree and efficiency of writing skill formation. The disturbance of the temporal structure of movements during the formation of handwriting speed at the initial stages of learning deteriorated the temporal organization of movements, drastically decreased the quality, and impeded the formation of the skill. The destructive processes were more pronounced in the case of accelerated handwriting in left-handed children and especially in children with underdeveloped visuomotor coordination. 相似文献
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S. R. Frankling 《CMAJ》1961,85(5):237-239
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Dyscalculia, dyslexia, and specific language impairment (SLI) are relatively specific developmental learning disabilities in math, reading, and oral language, respectively, that occur in the context of average intellectual capacity and adequate environmental opportunities. Past research has been dominated by studies focused on single impairments despite the widespread recognition that overlapping and comorbid deficits are common. The present study took an epidemiological approach to study the learning profiles of a large school age sample in language, reading, and math. Both general learning profiles reflecting good or poor performance across measures and specific learning profiles involving either weak language, weak reading, weak math, or weak math and reading were observed. These latter four profiles characterized 70% of children with some evidence of a learning disability. Low scores in phonological short-term memory characterized clusters with a language-based weakness whereas low or variable phonological awareness was associated with the reading (but not language-based) weaknesses. The low math only group did not show these phonological deficits. These findings may suggest different etiologies for language-based deficits in language, reading, and math, reading-related impairments in reading and math, and isolated math disabilities. 相似文献
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Hugo Cogo-Moreira Clara Regina Brand?o de ávila George B. Ploubidis Jair de Jesus Mari 《PloS one》2013,8(12)
Objective
To investigate whether specific domains of musical perception (temporal and melodic domains) predict the word-level reading skills of eight- to ten-year-old children (n = 235) with reading difficulties, normal quotient of intelligence, and no previous exposure to music education classes.Method
A general-specific solution of the Montreal Battery of Evaluation of Amusia (MBEA), which underlies a musical perception construct and is constituted by three latent factors (the general, temporal, and the melodic domain), was regressed on word-level reading skills (rate of correct isolated words/non-words read per minute).Results
General and melodic latent domains predicted word-level reading skills. 相似文献6.
Brian T. Harel Robert H. Pietrzak Peter J. Snyder Elizabeth Thomas Linda C. Mayes Paul Maruff 《PloS one》2014,9(7)
Associate learning is fundamental to the acquisition of knowledge and plays a critical role in the everyday functioning of the developing child, though the developmental course is still unclear. This study investigated the development of visual associate learning in 125 school age children using the Continuous Paired Associate Learning task. As hypothesized, younger children made more errors than older children across all memory loads and evidenced decreased learning efficiency as memory load increased. Results suggest that age-related differences in performance largely reflect continued development of executive function in the context of relatively developed memory processes. 相似文献
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P. V. Bundzen K. G. Korotkov A. K. Korotkova V. A. Mukhin N. S. Priyatkin 《Human physiology》2005,31(3):316-323
Long-term studies related to comprehensive analysis of psychophysiological correlates of the athletic potential were performed on the basis of innovative technologies of molecular genetic and biological energy analyses using modern automated software-hardware complexes. The results were used to select indices for personalized diagnosis of the athletic potential, to analyze it comparatively at the team level, and to calculate an athletic rating correlating with athletic success. These indices make it possible to detect preclinical health disturbances, development of energy deficit, and overtraining. The approaches may be used to analyze the general well-being of a population.__________Translated from Fiziologiya Cheloveka, Vol. 31, No. 3, 2005, pp. 84–92.Original Russian Text Copyright (c) 2005 by Bundzen, K. Korotkov, A. Korotkova, Mukhin, Priyatkin. 相似文献
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Fabricio Ballarini María Cecilia Martínez Magdalena Díaz Perez Diego Moncada Haydée Viola 《PloS one》2013,8(6)
Education is the most traditional means with formative effect on the human mind, learning and memory being its fundamental support. For this reason, it is essential to find different strategies to improve the studentś performance. Based on previous work, we hypothesized that a novel experience could exert an enhancing effect on learning and memory within the school environment. Here we show that novel experience improved the memory of literary or graphical activities when it is close to these learning sessions. We found memory improvements in groups of students who had experienced a novel science lesson 1 hour before or after the reading of a story, but not when these events were 4 hours apart. Such promoting effect on long-term memory (LTM) was also reproduced with another type of novelty (a music lesson) and also after another type of learning task (a visual memory). Interestingly, when the lesson was familiar, it failed to enhance the memory of the other task. Our results show that educationally relevant novel events experienced during normal school hours can improve LTM for tasks/activities learned during regular school lessons. This effect is restricted to a critical time window around learning and is particularly dependent on the novel nature of the associated experience. These findings provide a tool that could be easily transferred to the classroom by the incorporation of educationally novel events in the school schedule as an extrinsic adjuvant of other information acquired some time before or after it. This approach could be a helpful tool for the consolidation of certain types of topics that generally demand a great effort from the children. 相似文献
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Ian Yu Christopher P. Garnham Antonina Roll-Mecak 《The Journal of biological chemistry》2015,290(28):17163-17172
Microtubules give rise to intracellular structures with diverse morphologies and dynamics that are crucial for cell division, motility, and differentiation. They are decorated with abundant and chemically diverse posttranslational modifications that modulate their stability and interactions with cellular regulators. These modifications are important for the biogenesis and maintenance of complex microtubule arrays such as those found in spindles, cilia, neuronal processes, and platelets. Here we discuss the nature and subcellular distribution of these posttranslational marks whose patterns have been proposed to constitute a tubulin code that is interpreted by cellular effectors. We review the enzymes responsible for writing the tubulin code, explore their functional consequences, and identify outstanding challenges in deciphering the tubulin code. 相似文献
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Liwei King Blackburne Marianna D. Eddy Priya Kalra Debbie Yee Pawan Sinha John D. E. Gabrieli 《PloS one》2014,9(5)
Children often make letter reversal errors when first learning to read and write, even for letters whose reversed forms do not appear in normal print. However, the brain basis of such letter reversal in children learning to read is unknown. The present study compared the neuroanatomical correlates (via functional magnetic resonance imaging) and the electrophysiological correlates (via event-related potentials or ERPs) of this phenomenon in children, ages 5–12, relative to young adults. When viewing reversed letters relative to typically oriented letters, adults exhibited widespread occipital, parietal, and temporal lobe activations, including activation in the functionally localized visual word form area (VWFA) in left occipito-temporal cortex. Adults exhibited significantly greater activation than children in all of these regions; children only exhibited such activation in a limited frontal region. Similarly, on the P1 and N170 ERP components, adults exhibited significantly greater differences between typical and reversed letters than children, who failed to exhibit significant differences between typical and reversed letters. These findings indicate that adults distinguish typical and reversed letters in the early stages of specialized brain processing of print, but that children do not recognize this distinction during the early stages of processing. Specialized brain processes responsible for early stages of letter perception that distinguish between typical and reversed letters may develop slowly and remain immature even in older children who no longer produce letter reversals in their writing. 相似文献
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Vishvajit Pandya 《Visual Anthropology: Published in cooperation with the Commission on Visual Anthropology》2013,26(2):117-161
Based on fieldwork among the Rathwa tribal community of Gujarat, this article is an analysis of the ritual and installation of wall painting known as Pithoro. The analysis of the culture's own construct of what constitutes writing and reading is considered to bring out the magical power in interpreting that which is written and/or drawn. As the reading capacity is more significant, especially the one undertaken by the ritual specialist, the ethnographic account treats the paintings installed not only for the sake of ritual but to alter politicoeconomic situations of the Rathwa tribals in the course of history. This article presents the paintings as a total communication system, which is not just the work of art drawn but also written within the culture, as their own ethnography for the culture itself. 相似文献
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Alice R. Joseph 《BMJ (Clinical research ed.)》1904,1(2247):220-221
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Maurizio Bertollo Laura Bortoli Gianfranco Gramaccioni Yuri Hanin Silvia Comani Claudio Robazza 《Applied psychophysiology and biofeedback》2013,38(2):91-99
The main purposes of the present study were to substantiate the existence of the four types of performance categories (i.e., optimal-automatic, optimal-controlled, suboptimal-controlled, and suboptimal-automatic) as hypothesised in the multi-action plan (MAP) model, and to investigate whether some specific affective, behavioural, psychophysiological, and postural trends may typify each type of performance. A 20-year-old athlete of the Italian shooting team, and a 46-year-old athlete of the Italian dart-throwing team participated in the study. Athletes were asked to identify the core components of the action and then to execute a large number of shots/flights. A 2 × 2 (optimal/suboptimal × automated/controlled) within subjects multivariate analysis of variance was performed to test the differences among the four types of performance. Findings provided preliminary evidence of psychophysiological and postural differences among four performance categories as conceptualized within the MAP model. Monitoring the entire spectrum of psychophysiological and behavioural features related to the different types of performance is important to develop and implement biofeedback and neurofeedback techniques aimed at helping athletes to identify individual zones of optimal functioning and to enhance their performance. 相似文献
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《BMJ (Clinical research ed.)》1899,2(2026):1207-1208
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