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RISS 인기검색어
- 검색키워드
- 저자 : ( Norton Anderson ) (검색결과 2 건)
- 무료
- 기관 내 무료
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What Distinguishes Mathematical Experience from Other Kinds of Experience?
( Norton Anderson ) 한국수학교육학회 2016 수학교육연구 Vol.20 No.1
Investigating students` lived mathematical experiences presents dual challenges for the researcher. On the one hand, we must respect that students` experiences are not directly accessible to us and are likely very different from our own experiences. On the other hand, we might not want to rely upon the students` own characterizations of what consti-tutes mathematics because these characterizations could be limited to the formal products students learn in school. I suggest a characterization of mathematics as objectified action, which would lead the researcher to focus on students` operations-mental actions orga-nized as objects within structures so that they can be acted upon. Teachers` and research-ers` models of these operations and structures can be used as a launching point for under-standing students` experiences of mathematics. Teaching experiments and clinical inter-views provide a means for the teacher-researcher to infer students` available operations and structures on the basis of their physical activity (including verbalizations) and to begin harmonizing with their mathematical experience.
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Physiological adaptations induced by swimming in mice fed a high fat diet
Pedro Augusto Silva Nogueira,Miriam Pimenta Pereira,Jeferson José Gomes Soares,Anderson Ferraz Norton Filho,Izadora Mayumi Fujinami Tanimoto,Ivana Alice Teixeira Fonseca,Homero Oliveira Avelar,Francoi 한국운동재활학회 2017 JER Vol.13 No.3
This study examined physiological variables of animals fed with a high-fat diet (HFD) or with a normal diet (ND) subjected to swimming at low and moderate level. Over 16 weeks, a group of animals was fed with HFD or ND, and at the 8 weeks, they started swimming with 50% or 80% of the maximum load achieved in the progressive work test. Weekly, body weight and the amount of ingested food were registered. The gly-cemic level was measured at the beginning, middle and at the end of the experiment. Adipose tissue, gastrocnemius muscles and hearts were collected for morphometry. The results showed that the animals fed an HFD had a minor caloric intake; however, the HFD increased body weight and adiposity, likely causing cardiac hypertrophy and an increase in the glycemic level. In this context, swimming with an 80% load contributed positively to weight control, adiposity, glycemic level, to control cardiac hypertrophy and induce hypertrophy in the gastroc-nemius muscle. All parameters assessed showed better results for the ND animals. Therefore, the importance of fat consumption was empha-sized in relation to obesity onset. The practice of swimming with an 80% load produced greater benefits than swimming with a 50% load for overweight treatment.
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