Table 3.

Pramipexole-induced performance change in controls (n = 15) and stimulant-dependent individuals (n = 16)

	Marker		Marker × group
SWM
DRD3	F1, 26 = 9.86	P = 0.004	F1, 26 = 0.71	P = 0.406
DRD4	F1, 27 = 0.06	P = 0.802	F1, 27 = 1.03	P = 0.320
COMT	F1, 27 = 4.21	P = 0.050	F1, 27 = 0.20	P = 0.658
Digit-span
DRD3	F1, 25 = 0.45	P = 0.510	F1, 25 = 4.32	P = 0.048
DRD4	F1, 26 = 0.001	P = 0.996	F1, 26 = 11.12	P = 0.003
COMT	F1, 26 = 2.43	P = 0.131	F1, 26 = 6.19	P = 0.020
RVIP
DRD3	F1, 26 = 4.24	P = 0.050	F1, 26 = 1.79	P = 0.192
DRD4	F1, 27 = 0.67	P = 0.419	F1, 27 = 0.39	P = 0.539
COMT	F1, 27 = 1.03	P = 0.319	F1, 27 = 0.02	P = 0.880
PAL
DRD3	F1, 26 = 0.07	P = 0.788	F1, 26 = 0.001	P = 0.991
DRD4	F1, 27 = 2.55	P = 0.122	F1, 27 = 0.01	P = 0.910
COMT	F1, 27 = 1.76	P = 0.196	F1, 27 = 1.98	P = 0.171
IST
DRD3	F1, 25 = 0.02	P = 0.901	F1, 25 = 0.18	P = 0.672
DRD4	F1, 26 = 0.20	P = 0.657	F1, 26 = 0.02	P = 0.884
COMT	F1, 26 = 0.96	P = 0.337	F1, 26 = 0.21	P = 0.652