Anhedonia, the lack of pleasure, has been shown to be a critical feature of a range of
psychiatric disorders. Yet, it is currently measured primarily through subjective self-reports …

Animal research has shown it is possible to want a reward that is not liked once obtained.
Although these findings have elicited interest, human experiments have produced …

Main Objectives The narcissistic personality is characterized by grandiosity, entitlement, and
low empathy. This paper describes the development and validation of the Single Item …

Sugar addiction: pushing the drug-sugar analogy to the limit : Current Opinion in Clinical
Nutrition & Metabolic Care Sugar addiction: pushing the drug-sugar analogy to the limit : Current …

Importance A common trigger for relapse in drug addiction is the experience of craving via
exposure to cues previously associated with drug use. Preclinical studies have consistently …

In animal studies, sugar has been found to produce more symptoms than is required to be
considered an addictive substance. Animal data has shown significant overlap between the …

long standing definition of anhedonia as “the inability to experience pleasure” has been
challenged recently following progress in affective neuroscience. In particular, accumulating …

Background Assessing the relative value of cocaine and how it changes with chronic drug
use represents a long-standing goal in addiction research. Surprisingly, recent experiments …

Empathy involves feeling compassion for others and imagining how they feel. In this article,
we develop and validate the Single Item Trait Empathy Scale (SITES), which contains only …

Background Cocaine dependence is a severe disorder for which no medication has been
approved. Like opioids for heroin dependence, replacement therapy with psychostimulants …