Effects of information on the reinforcing, subjective, and psychomotor effects of nitrous oxide in healthy volunteers.
Drug and Alcohol Dependence November 25, 1997 James P Zacny, A M Cho, A Y Toledano et al.
The purpose of this study was to characterize the reinforcing, subjective, and psychomotor effects of nitrous oxide (N2O) in healthy volunteers who were given different amounts of information regarding the drugs they were being administered in the experiment. A choice procedure was used in which subjects first sampled a placebo and a given concentration of N2O and then chose between the two....