Abstract
The purpose of this study is to construct basics for clarifying the process of skill acquisition from the viewpoint of eye-hand coordination and writing pressure. The information obtained from the eye-gaze is essential for the determination of physical movements in any work. The calligraphy was selected and analyzed as an example of eye-hand coordination. Eye-gaze position, location of brush tip and writing pressure of expert and novice participants were measured using the system which consist of an eye mark recorder, a three-dimensional position-orientation measurement device and a writing pressure measurement device. An attempt was made to extract the skilled element by examining whether the relationships between line of eye-gaze and brush tip stroke, and between brush tip stroke and writing pressure were different between novices and skilled experts. Consequently, a significant difference between two skill groups was found in the relationship between brush stroke and line of eye gaze, and between brush stroke and writing pressure. Different from novices, experts were found to be outstanding in the following two perspectives: (1) eye movement preceding to brush tip, and (2) modulated brush stroke. Thus, the two features above were demonstrated to be essential elements for the skill acquisition.
