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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Neuropsychologia. 2015 Apr 6;71:217–224. doi: 10.1016/j.neuropsychologia.2015.04.006

Table 3.

Summary statistics of the z scores of the reaching task parameters, summed across both arms. Negative z scores indicate better than control performance, while positive z scores indicate worse performance.

TMT NSM RT IDE
Min. −2.06 −1.73 −2.17 −2.14
1st Qu. 0.58 0.79 1.12 0.90
Median 2.62 1.86 2.50 2.91
Mean 2.70 2.78 2.73 4.09
3rd Qu. 3.76 3.71 3.96 5.32
Max. 9.95 11.05 11.36 17.18

TMT = total movement time, NSM = number of speed maxima, RT = reaction time, IDE = initial direction error. (Inability to complete task assigned a z-score of 10 for that arm).