| Presentation | 2003/3/12 Parallel network mechanisms for motor sequence acquisition in real time Fredrik BISSMARCK, Hiroyuki NAKAHARA, Kenji DOYA, Okihide HIKOSAKA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Motor sequence learning is characterized by two distinct hierarchial levels of learning: one highly cognitive, task-oriented level and one subconscious, movement optimizing level. These two processes also occur on different time scales. In support to this view, it has been shown that multiple brain areas contribute to motor sequence learning, and that different areas are critically involved at different stages of learning. Here, we look at how the higher-level process may support the long-term learning of the lower level to produce an optimized movement. Using a computational model with continuous space and time, we compare reinforcement learning (RL) and supervised learning (SL) mechanisms at the lower level of acquisition. It was found that performance scarcely improved with RL while a substantial improvement was seen with SL. Blocking of each learning level confirmed experimental results that the mechanisms of learning and memory acquisition are different. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | sequence learning / reinforcement learning / basal ganglia / motor control |
| Paper # | NC2002-222 |
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| Committee | NC |
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| Conference Date | 2003/3/12(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Neurocomputing (NC) |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Parallel network mechanisms for motor sequence acquisition in real time |
| Sub Title (in English) | |
| Keyword(1) | sequence learning |
| Keyword(2) | reinforcement learning |
| Keyword(3) | basal ganglia |
| Keyword(4) | motor control |
| 1st Author's Name | Fredrik BISSMARCK |
| 1st Author's Affiliation | Nara Institute of Science and Technology : Human Information Science Laboratories (Dept 3), ATR International : Creating the Brain, CREST, Japan Science and Technology Corporation() |
| 2nd Author's Name | Hiroyuki NAKAHARA |
| 2nd Author's Affiliation | Laboratory for Mathematical Neuroscience, RIKEN Brain Science Institute |
| 3rd Author's Name | Kenji DOYA |
| 3rd Author's Affiliation | Nara Institute of Science and Technology : Human Information Science Laboratories (Dept 3), ATR International : Creating the Brain, CREST, Japan Science and Technology Corporation |
| 4th Author's Name | Okihide HIKOSAKA |
| 4th Author's Affiliation | Laboratory of Sensorimotor Research. National Eye Institute, National Institute of Health |
| Date | 2003/3/12 |
| Paper # | NC2002-222 |
| Volume (vol) | vol.102 |
| Number (no) | 731 |
| Page | pp.pp.- |
| #Pages | 6 |
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