Table 1.

Experimental design

First training Second Training
Group Condition Target Condition Target
1 Abrupt 1 Gradual 2
2 Gradual 2 Abrupt 1
3 Abrupt 2 Gradual 1
4 Gradual 1 Abrupt 2

  • Subjects were divided into two groups: six subjects first trained in the abrupt, and then in the gradual condition; the order of training was reversed for the other subjects. In each group, three subjects moved to target 1 in the abrupt training condition and to target 2 during the gradual training condition. Movement directions were reversed for the other subgroup.