In the past decade, research has accumulated suggesting that excessive Internet use can
lead to the development of a behavioral addiction. Internet addiction has been considered …

What brain reward systems mediate motivational 'wanting'and hedonic 'liking'for food
rewards? And what roles do those systems play in eating disorders? This article surveys …

The hypothesis that dopamine is important for reward has been proposed in a number of
forms, each of which has been challenged. Normally, rewarding stimuli such as food, water …

What we eat, when and how much, all are influenced by brain reward mechanisms that
generate “liking” and “wanting” for foods. As a corollary, dysfunction in reward circuits might …

Introduction Debate continues over the precise causal contribution made by mesolimbic
dopamine systems to reward. There are three competing explanatory categories:'liking' …

Advances in neurobiology permit neuroscientists to manipulate specific brain molecules,
neurons and systems. This has lead to major advances in the neuroscience of reward. Here …

Of the many conceptual distinctions present in psychology today, the approach-avoidance
distinction stands out as one of, if not the, most fundamental and basic. The distinction …

A neurobiological model of the brain emotional systems has been proposed to explain the
persistent changes in motivation that are associated with vulnerability to relapse in …

Opioids have been regarded for millennia as among the most effective drugs for the
treatment of pain. Their use in the management of acute severe pain and chronic pain …

A neurobiological model for pair-bond formation has emerged from studies in monogamous
rodents. The neuropeptides oxytocin and vasopressin contribute to the processing of social …