Accumulating evidence suggests that the gut microbiome influences the brain functions and
psychological state of its host via the gut–brain axis, and gut dysbiosis has been linked to …

[Avena, NM, Rada, P., Hoebel BG, 2007. Evidence for sugar addiction: Behavioral and
neurochemical effects of intermittent, excessive sugar intake. Neuroscience and …

Anhedonia is a core feature of major depressive disorder (MDD), but the precise nature of
anhedonic symptoms is unknown. Whereas anhedonia has traditionally been viewed as a …

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 …

The monoamines serotonin, dopamine and noradrenaline have a great impact on mood,
emotion and behavior. This article presents a new three-dimensional model for monoamine …

Studies addressing behavioral functions of dopamine (DA) in the nucleus accumbens septi
(NAS) are reviewed. A role of NAS DA in reward has long been suggested. However, some …

Impulsivity is now widely viewed as a multidimensional construct consisting of a number of
related dimensions. Although many measures of impulsivity are correlated, most recent …

Anhedonia is a hallmark symptom of major depressive disorder (MDD). Preliminary findings
suggest that anhedonia is characterized by reduced reward anticipation and motivation of …

The mesolimbic dopaminergic (ML-DA) system has been recognized for its central role in
motivated behaviors, various types of reward, and, more recently, in cognitive processes …

This review summarizes evidence of dysregulated reward circuitry function in a range of
neurodevelopmental and psychiatric disorders and genetic syndromes. First, the …