| Presentation | 2006-03-17 Analysis of variability of human reaching movements in consideration of similarity of arm trajectories Takashi OYAMA, Yoji UNO, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Human movements have some variability. Hand trajectories are a little different even after sufficient training. Under the assumption that the main factor of movement variability is noise, a planned trajectory is the same in each trial. Signal dependent noise adding to motion command has been suggested as the cause of such variability. The perception of a target location must be exact to perform such a trajectory reaching just the target. However, there are large deviation and variability between the visual and somatosensory perception of a location. It is thought that the variability of location perception has a significant factor for motion planning. Taking notice of the similarity of trajectories, we analyze how the similarity is preserved during the movements in measured trajectories, trajectories with noise in motion execution and minimum command torque change trajectories. It was found that the minimum command torque change trajectories can reproduce the similarity of measured trajectories better than the trajectories with noise. We conjecture that the variability of movements results from the variability of target perception in motion planning rather than noise in motion execution. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | variaibility / motion control / reaching movement / motion planning / location perception |
| Paper # | NC2005-156 |
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| Committee | NC |
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| Conference Date | 2006/3/10(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Neurocomputing (NC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of variability of human reaching movements in consideration of similarity of arm trajectories |
| Sub Title (in English) | |
| Keyword(1) | variaibility |
| Keyword(2) | motion control |
| Keyword(3) | reaching movement |
| Keyword(4) | motion planning |
| Keyword(5) | location perception |
| 1st Author's Name | Takashi OYAMA |
| 1st Author's Affiliation | Department of Information and Computer Sciences, Toyohashi University of Technology() |
| 2nd Author's Name | Yoji UNO |
| 2nd Author's Affiliation | Department of Information and Computer Sciences, Toyohashi University of Technology |
| Date | 2006-03-17 |
| Paper # | NC2005-156 |
| Volume (vol) | vol.105 |
| Number (no) | 659 |
| Page | pp.pp.- |
| #Pages | 6 |
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