History of Illicit Stimulant Use Is Not Associated with Long-Lasting Changes in Learning of Fine Motor Skills in Humans
Table 1
Subject characteristics for the control, stimulant, and cannabis groups.
Control ()
Stimulant ()
Cannabis ()
Age (yrs)
22 ± 4
27 ± 6
23 ± 5
Gender
10 M, 6 F
13 M, 8 F
10 M, 6 F
Laterality quotient
0.80 ± 0.16
0.84 ± 0.15
0.82 ± 0.12
Education (yrs)
15 ± 2
15 ± 2
16 ± 3
BDI-II score
2 ± 2
9 ± 7
6 ± 6
Inspection time (s)
0.73 ± 0.26
0.67 ± 0.19
0.70 ± 0.12
Lifetime alcohol use (total drinks)
55 ± 94
7,718 ± 7,236
2,113 ± 2,936
Lifetime tobacco use (total cigarettes)
1 ± 2
26,943 ± 37,725
1,648 ± 4,490
Data are mean ± standard deviation. Significantly different from control group (). Significant difference between stimulant group and cannabis group ().
