ACKNOWLEDGMENT 
This monograph is based on the papers and discussions from a technical 
review on “Activation of Immediate Early Genes by Drugs of Abuse” held on 
June 3-4, 1 991 , in Rockville, MD. The technical review was sponsored by the 
National Institute on Drug Abuse (NIDA). 
COPYRIGHT STATUS 
The National Institute on Drug Abuse has obtained permission from the 
copyright holders to reproduce certain previously published material as noted in 
the text. Further reproduction of this copyrighted material is permitted only as 
part of a reprinting of the entire publication or chapter. For any other use, the 
copyright holder’s permission is required. All other material in this volume 
except quoted passages from copyrighted sources is in the public domain and 
may be used or reproduced without permission from the Institute or the authors. 
Citation of the source is appreciated. 
Opinions expressed in this volume are those of the authors and do not 
necessarily reflect the opinions or official policy of the National Institute on Drug 
Abuse or any other part of the U.S. Department of Health and Human Services. 
The U.S. Government does not endorse or favor any specific commercial 
product or company. Trade, proprietary, or company names appearing in this 
publication are used only because they are considered essential in the context of 
the studies reported herein. 
NIDA Research Monographs are indexed in the “Index Medicus.” They are 
selectively included in the coverage of “American Statistics Index,” “BioSciences 
Information Service,” “Chemical Abstracts,” “Current Contents,” “Psychological 
Abstracts,” and “Psychopharmacology Abstracts.” 
National Institute on Drug Abuse 
NIH Publication No. 93-3504 
Printed 1993 
n 
