Table 2.

Mean hit rates and false alarms for the conditions of interest (SD in parentheses)

	Remember				Know
	Reward		Neutral		Reward		Neutral
	Hits	False alarms	Hits	False alarms	Hits	False alarms	Hits	False alarms
All (n = 29)
Placebo
Early	0.32 (0.23)	0.12 (0.15)	0.27 (0.22)	0.07 (0.10)	0.19 (0.17)	0.13 (0.11)	0.14 (0.15)	0.08 (0.13)
Delay	0.22 (0.17)	0.06 (0.08)	0.24 (0.17)	0.08 (0.12)	0.16 (0.14)	0.12 (0.13)	0.15 (0.13)	0.08 (0.09)
l-DOPA
Early	0.36 (0.22)	0.10 (0.13)	0.31 (0.19)	0.11 (0.11)	0.18 (0.14)	0.14 (0.15)	0.20 (0.16)	0.11 (0.12)
Delay	0.23 (0.23)	0.06 (0.09)	0.23 (0.16)	0.07 (0.11)	0.16 (0.13)	0.14 (0.13)	0.17 (0.13)	0.11 (0.11)
Low-dose group (n = 10)
Placebo
Early	0.22 (0.16)	0.10 (0.16)	0.25 (0.24)	0.07 (0.11)	0.28 (0.18)	0.17 (0.15)	0.19 (0.21)	0.15 (0.18)
Delay	0.15 (0.13)	0.04 (0.06)	0.19 (0.12)	0.04 (0.05)	0.22 (0.19)	0.13 (0.16)	0.20 (0.17)	0.11 (0.09)
l-DOPA
Early	0.29 (0.24)	0.09 (0.09)	0.18 (0.16)	0.15 (0.14)	0.20 (0.12)	0.19 (0.18)	0.25 (0.16)	0.15 (0.13)
Delay	0.18 (0.20)	0.03 (0.03)	0.17 (0.15)	0.08 (0.13)	0.19 (0.15)	0.13 (0.09)	0.17 (0.11)	0.10 (0.08)
Middle-dose group (n = 9)
Placebo
Early	0.41 (0.27)	0.17 (0.15)	0.30 (0.22)	0.09 (0.12)	0.13 (0.13)	0.13 (0.12)	0.12 (0.13)	0.02 (0.03)
Delay	0.24 (0.14)	0.09 (0.09)	0.24 (0.16)	0.11 (0.13)	0.12 (0.10)	0.11 (0.12)	0.06 (0.06)	0.07 (0.11)
l-DOPA
Early	0.45 (0.18)	0.16 (0.15)	0.43 (0.15)	0.11 (0.11)	0.16 (0.11)	0.14 (0.15)	0.18 (0.19)	0.12 (0.15)
Delay	0.35 (0.30)	0.10 (0.13)	0.37 (0.18)	0.08 (0.13)	0.13 (0.10)	0.11 (0.10)	0.17 (0.16)	0.13 (0.09)
High-dose group (n = 10)
Placebo
Early	0.35 (0.22)	0.09 (0.13)	0.27 (0.21)	0.05 (0.08)	0.16 (0.16)	0.09 (0.34)	0.13 (0.08)	0.07 (0.09)
Delay	0.27 (0.22)	0.05 (0.07)	0.29 (0.22)	0.09 (0.15)	0.13 (0.09)	0.11 (0.09)	0.16 (0.12)	0.05 (0.06)
l-DOPA
Early	0.34 (0.23)	0.06 (0.12)	0.31 (0.17)	0.06 (0.07)	0.18 (0.18)	0.10 (0.12)	0.17 (0.13)	0.07 (0.05)
Delay	0.17 (0.16)	0.07 (0.08)	0.18 (0.08)	0.05 (0.04)	0.16 (0.15)	0.19 (0.17)	0.15 (0.11)	0.11 (0.15)