Neurobiologic Processes in Drug Reward and Addiction

Glutamatergic transmission in drug reward: implications for drug addiction

Individuals addicted to drugs of abuse such as alcohol, nicotine, cocaine, and heroin are a significant burden on healthcare systems all over the world. The positive reinforcing (rewarding) effects of the above mentioned drugs play a major role in the initiation and maintenance of the drug-taking habit. Thus, understanding the neurochemical mechanisms underlying the reinforcing effects of drugs...

Executive Dysfunction and Reward Dysregulation: Interactions in Drug Addiction

Reward processing and drug addiction: does sex matter?

Reward processing is crucial to our health and wellbeing and dysfunctional brain reward signaling is a component of a number of psychiatric disorders, including major depression and drug addiction. Rewarding behaviors like eating, parenting, nursing, social play, and sexual activity are powerfully preserved in evolution and are essential for survival. All of them gratifying, they represent enjo...

Asymptotic Behavior of Multivariate Reward Processes with Nonlinear Reward Functions

COVARIANCE MATRIX OF MULTIVARIATE REWARD PROCESSES WITH NONLINEAR REWARD FUNCTIONS

Multivariate reward processes with reward functions of constant rates, defined on a semi-Markov process, first were studied by Masuda and Sumita, 1991. Reward processes with nonlinear reward functions were introduced in Soltani, 1996. In this work we study a multivariate process , , where are reward processes with nonlinear reward functions respectively. The Laplace transform of the covar...