Student or Learner
Increasing scientific evidence suggests that all drugs of abuse, including nicotine, boost dopamine to one degree or another; however, in experimental studies with laboratory animals, selectively knocking out these specific dopamine pathways affects the quality of alcohol administration but not the various reinforcers that prompt the animal to continue to self-administrator.
(C. Herrick, C. A. Herrick; 100 Questions & Answers About Alcoholism)
Would you be so kind as to tell me what it is supposed to mean here?
That appears to be an error. I think it should say "... to continue to self-administer".
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.