Table 1. Summary of the characteristics of the 3 tasks used in this study.

	Delay discounting	Force discounting	Target detection
Target detection	✓	✓	✓
Var. position (target and response)	0	0	✓
Force production	0	✓	✓
Force constraint	0	✓	0
Reward delay	✓	0	0
Reward size	✓	✓	0
Sensory-motor constraints:	0	✓	✓
Cognitive constraints	✓	✓	0