Research into the comorbidity between emotional psychopathology and cigarette smoking
has often focused upon anxiety and depression's manifest symptoms and syndromes, with …

Abstract Background and Aims Despite decades of research on co‐occurring smoking and
depression, cessation rates remain consistently lower for depressed smokers than for …

Abstract Hypothetical Purchase Tasks (HPTs) simulate demand for a substance as a
function of escalating price. HPTs are increasingly used to examine relationships between …

This review critically examines neurobehavioral theoretical developments in decision
making in addiction in the 21st century. We specifically compare each theory reviewed to …

Background: Recently, anhedonia has been recognized as an important Research Domain
Criterion (RDoC) by the National Institute of Mental Health. Anhedonia is proposed to play …

Withdrawal-based theories of addiction hypothesize that motivation to reinstate drug use
following acute abstinence is mediated by withdrawal symptoms. Experimental tests of this …

Heroin is highly addictive drug that users use in spite of its negative consequences. Many
research on drug dependence, persistence and relapse confirmed that there is a …

Background: Previous research suggests that females may be more motivated to smoke for
negative reinforcement (NR) than males. However, it remains unclear whether gender …

Background Although depression and smoking commonly co-occur, the mechanisms
underpinning this association are poorly understood. One hypothesis is that depression …

Introduction Research has recently shown that nicotine reinforcement is better characterized
by a bifactorial latent structure: persistence (insensitivity to cigarette pricing) and amplitude …