Rationale One problem facing animal models of intravenous drug self-administration,
particularly those examining social manipulations, is that subjects must be removed from the …

Social-learning theories of substance use propose that members of peer groups influence
the drug use of other members by selectively modeling, reinforcing, and punishing either …

Social learning theories of drug use propose that drug use is influenced by the behavior of
peers. We previously reported that cocaine self-administration under limited-access …

Drug-using peers are recognized as a leading factor influencing drug use among
adolescents and young adults. One mechanism by which peers influence drug use is by …

Background selection models of substance use propose that individuals choose or self-
select into peer groups based on shared substance use histories. Few experimental studies …

Background Social learning models of substance use propose that drug-use behaviors are
learned by observing and mimicking the behavior of others. The aim of this study was to …

Rationale: It is known that social defeat can modulate cocaine self-administration. However,
it is unclear whether this psychosocial stressor affects drug-taking behavior to the same …

Background Traditionally, the analysis of intravenous drug self-administration is limited to
conditions in which subjects are tested in isolation. This limits the translational appeal of …

Background An important factor that can lead to drug relapse is to re-associate with drug-
using social peers, but there is little literature on the effect of social peers on relapse in …

Social learning theories of drug abuse propose that individuals imitate drug use behaviors
modeled by social peers, and that these behaviors are selectively reinforced and/or …