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Joseph Germana 《Integrative psychological & behavioral science》1970,5(2):119-125
Existing models of physiologic and behavioral function and the nervous control of these events may bear reexamination on the basis of evidence for a process of differentiation in transduction processes. Biological differentiation provides a basic and intrinsic mechanism through which single neural, receptor, and effector mechanisms can modify the nature of their responses. 相似文献
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Francesca Sylos-Labini Yuri P. Ivanenko Germana Cappellini Alessandro Portone Michael J. MacLellan Francesco Lacquaniti 《Journal of motor behavior》2013,45(6):495-505
Gravity reduction affects the energetics and natural speed of walking and running. But, it is less clear how segmental coordination is altered. Various devices have been developed in the past to study locomotion in simulated reduced gravity. However, most of these devices unload only the body center of mass. The authors reduced the effective gravity acting on the stance or swing leg to 0.16g using different simulators. Locomotion under these conditions was associated with a reduction in the foot velocity and significant changes in angular motion. Moreover, when simulated reduced gravity directly affected the swing limb, it resulted in significantly slower swing and longer foot excursions, suggesting an important role of the swing phase dynamics in shaping locomotor patterns. 相似文献
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