Patients with generalized social anxiety disorder (GSAD) exhibit heightened activation of the
amygdala in response to social cues conveying threat (eg, fearful/angry faces). The …

Disordered dopamine neurotransmission is implicated in mediating impulsiveness across a
range of behaviors and disorders including addiction, compulsive gambling, attention …

Rationale A significant proportion of the general population report supplementing their diet
with one or more vitamins or minerals, with common reasons for doing so being to combat …

Testosterone influences various aspects of affective behavior, which is mediated by different
brain regions within the emotion circuitry. Previous neuroimaging studies have …

The non-proteinic amino acid L-theanine and caffeine, a methylxanthine derivative, are
naturally occurring ingredients in tea. The present study investigated the effect of a …

Rationale Over the last decade, Asian ginseng (Panax ginseng) has been shown to improve
aspects of human cognitive function. American ginseng (Panax quinquefolius) has a distinct …

Objectives A significant minority of the population consume multi‐vitamins/minerals for their
putative health benefits, including potentially beneficial effects on cognitive performance …

Default mode network (DMN) is characterized by a deactivation of several cortical areas
(including medial prefrontal cortex and posterior cingulate cortex) during goal-directed …

Objective There is a lack of research into the cognitive and mood effects of repeated ginseng
ingestion. The present study assessed the effects of Panax ginseng (G115) on subjective …

This study investigated the potential for the aromas of the essential oils of Salvia species to
affect cognition and mood in healthy adults. Research has demonstrated that orally …