The corresponding differential equations 46 or 47 will become algebraic equations, by nullifying the left-hand time derivatives.
Thus, for the left hand, more time is needed to compute motor planning more accurately, but once the computation is finished, the left hand is better controlled than the right, even without visual feedback.
After 4 days of training on four selected sequences with the left hand, movement times (MTs; Figure 2C, blue line) reduced by approximately half.
Repeat with the left hand three times.
Play the left hand many times and do the same with the right hand before you try them both together.
The left hand was 657 time intervals in the zone A, and each time interval corresponds to 0.1 s; the right hand was in this zone 582 time intervals.
22 Finger tapping test, executed to conform to '3.4 Finger tapping' of the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS): 22 40 times with the left hand and 40 times with the right hand.
The level of complexity of the behaviour may also help to differentiate tics from compulsions; even complex tics are relatively straightforward behaviours (eg, a brief tapping action), whereas compulsions are often more elaborate and performed according to a rule (eg, tapping four times with the left hand and four times with the right hand).
Two tests for neurological signs of PD: Finger tapping test, executed to conform to '3.4 Finger tapping' of the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS): 22 40 times with the left hand and 40 times with the right hand.
For assessment of performance, the direction and magnitude of the force generated by the left hand at the time of maximum force in the right hand was calculated for all catch trials.
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