International audienceIn this paper a use of haptic and visual training for Chinese handwriting learning is investigated. Participants learned a given character under three training conditions (haptic, visual, haptic-visual) and were required to write the given character plus two characters with common stokes on a tablet before and after training for improvement comparison. Performance was measured in terms of mean speed, inair time, size, order, and shape. Findings from this study indicate that visual information provides benefits for learning writing shape, while haptic information showed significant improvement in the transfer of shape learning. The combination of visual and haptic information helped to reduce air time, and showed better results than only visual informatio
As a leading cause of death in 325,000 adults per year in the United States, a significant proportion of sudden cardiac arrest (SCA) result from arrhythmias. To better understand the onset of arrhythmias and its potential treatment with more rapid and effective control approaches, a two-dimensional 50 × 50 cellular automata (CA) model is used in this study to illustrate the propagation of electrical waves across its tissue, and a constant diastolic interval (DI) control mechanism is adopted to help stabilize and prevent cardiac arrhythmias. Simulations of various scenarios including normal conduction and spiral waves in the presence of scar, normal conduction and alternans under control conditions are shown. The results validate that the CA model and constant DI control method are very efficient and effective in the study of dynamics and control of cardiac arrhythmias.
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