It has been known for some time that nucleus accumbens dopamine (DA) is involved in
aspects of motivation, but theoretical approaches to understanding the functions of DA have …

Nucleus accumbens dopamine is known to play a role in motivational processes, and
dysfunctions of mesolimbic dopamine may contribute to motivational symptoms of …

Background Over the last several years, it has become apparent that there are critical
problems with the hypothesis that brain dopamine (DA) systems, particularly in the nucleus …

Instrumental behavior is a very complex and multifaceted process. Behavioral output during
instrumental performance is influenced by a variety of factors, including associative …

According to the dopamine (DA) hypothesis of reward, DA systems in the brain, particularly
in the nucleus accumbens, are thought to directly mediate the rewarding or primary …

For several decades, it has been suggested that dopamine (DA), especially in nucleus
accumbens, mediates the primary reinforcing characteristics of natural stimuli such as food …

In recent years, considerable emphasis has been placed upon the putative role of nucleus
accumbens dopamine systems in appetitive motivation and positive reinforcement …

This special issue of Psychopharmacology is intended to provide the reader with a sense of
some of the recent developments that are taking place in the literature related to the …

Although the Skinnerian 'Empirical Law of Effect'does not directly consider the fundamental
properties of stimuli that enable them to act as reinforcers, such considerations are critical for …

Nucleus accumbens (DA) has been implicated in a number of different behavioral functions,
but most commonly it is said to be involved in “reward” or “reinforcement”. In the present …