Table 1.

Behavioral results in young and older adults Groups (M ± SD).

Outcome	Young adults	Older adults	F	p
Mean adjusted pumps	4.82 ± 1.55	4.43 ± 1.56	0.76	0.388
Number of reward balloons experienced	20.92 ± 2.41	19.65 ± 3.24	2.39	0.129
Proportion of cashout trials	0.61 ± 0.12	0.70 ± 0.13	7.38	<0.010
Mean pump RT (ms)	521.10 ± 88.70	815.13 ± 341.18	17.33	<0.001