Learning Rhythmic Hand Movements

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Abstract
Twenty-seven subjects tracked targets moving up and down in a straight-line path formed from the sum of three sine waves. There were nine such tracks varying in average frequency and length of repeating subunit. The latter variable had little effect on performance, but low frequency targets were tracked better than high frequency targets. Only the component frequencies present in the tracks were reproduced to any extent in the subjects' performance. For components in different tracks the highest frequencies were reproduced with the lowest amplitude. However, for components within the track the highest frequency component tended to be reproduced with the highest amplitude. In addition the greatest amount of learning appeared in the highest frequency component within a track.

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