期刊
EXPERIMENTAL BRAIN RESEARCH
卷 207, 期 3-4, 页码 291-295出版社
SPRINGER
DOI: 10.1007/s00221-010-2438-5
关键词
Handwriting; Kinematic; Learning; Motor control; Non-preferred hand; Preferred hand; Structural learning; Task structure
资金
- Magstim Company Limited
- Biomedical and Health Research Centre at the University of Leeds
Structural learning suggests that the human nervous system learns general rules that can be applied when controlling actions involving similar structures (e.g. using a variety of bicycles when learning to ride). These general rules can then facilitate skill acquisition in novel but related situations (e.g. a new bicycle). We tested this concept by investigating whether learned asymmetries in handwriting (greater ease in moving the hand rightwards and downwards within Western-educated populations) are present in the non-preferred hand as predicted by structural learning. We found these asymmetries in both hands of a right-handed population when tracing abstract shapes. We then ruled out biomechanical explanations by finding the same results with a left-handed population. These findings provide support for structural learning and explain: (1) the rapidity with which individuals can learn to write with their non-preferred hand; (2) the presence of a higher abstract (effector independent) level within voluntary motor control organisation.
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