Table 1. An illustration of the conditions tested in Experiment 1.

Condition	Target set	Distractor set
Training (15 times)	[1], [2], [3], [4]	[5], [6], [7], [8]
Transfer - Old	[1], [2], [3], [4]	[5], [6], [7], [8]
Transfer - Switched	[5], [6], [7], [8]	[1], [2], [3], [4]
Transfer - Mixed	[1], [2], [5], [6]	[3], [4], [7], [8]
Transfer - New	[9], [10], [11], [12]	[13], [14], [15], [16]

The numbers 1 to 16 correspond to 16 random motion trajectories.