Skip to main content
. Author manuscript; available in PMC: 2012 Aug 11.
Published in final edited form as: Brain Res. 2011 Jun 26;1406:43–58. doi: 10.1016/j.brainres.2011.06.048

Table 1.

Average amount of drug use, average scores in the three BIS and the three ZTPI subscales compared between stimulant-using, impulsive subjects as well as stimulant-naïve controls.

Ever used
Popular types
Stimulant users (n = 10) Impulsive (n = 5) Controls (n = 12)

Mean S.D. Mean S.D. Mean S.D.
Amphetamine-like stimulants
Adderall, Ritalin
16.8 16.2 0 0 0 0
Cocaine 19.1 21.0 0 0 0 0

Marijuana 952.2 1233.3 68.2 151.9 15.5 30.6

Ecstasy 9.6 22.8 0 0 0 0

Opiates
Vicodin, Codeine
1.2 2.0 0 0 4.2 14.4

Sedatives
Xanax, Valium
0.2 0.4 0 0 1.6 5.8

Hallucinogens
LSD, Mushrooms
1.8 3.2 0 0 0 0

PCP 0 0 0 0 0 0

Inhalants
Nitrous oxide, glue
2.0 6.3 0 0 0 0