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(a) Basic research on the neurophysiology of movement and touch, including its close relationship to visual and auditory modalities,
(b) Developments/recent successes in computer haptics-applications such as virtual reality training, gaming and prosthetics,
(c) Practice in several related fields such as sports, dance, rehabilitation and the arts
(d) A few relevant empirical studies examining the effectiveness of haptic enhancement in approaches to helping children learn to connect up orthography and sound, and
(e) About five years of explicit application of haptic pedagogical movement patterns in the EHIEP system and its early predecessors.
I have designed two or three, small scale empirical Stick!-based studies of haptic-integration techniques that I hope to carry out in the next few months. It is a problem inherent to most experiential educational methods. In the meantime, we'll continue to focus primarily on the how . . . and Wow!