Table 2b. Parameter Estimates (Mean and Standard Error) for both Groups and the Results of Significance Tests for the Optimal Decision Model.

Optimal decision model	Pla	DCS	P
LR reward	0.16±0.03	0.17±0.04	0.83
LR loss	0.27±0.05	0.22±0.04	0.52
Beta	0.06±0.006	0.07±0.007	0.40
Loss weight (λ)	0.90±0.07	0.90±0.07	0.94
fval	165±5	154±6	0.15