| Extent and direction are
planned in advance |
| Paths are straight |
|
|
|
| Hand trajectories: |
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| Speed &
acceleration |
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| Scale with
distance |
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|
|
|
|
|
| Reaching
involves |
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| scaling a
‘trajectory |
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| primitive’ to
target |
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| distance. |
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| Learned
scaling factors |
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| &
reference frame |
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