Anxiety disorders are a significant problem in the community, and recent neuroimaging
research has focused on determining the brain circuits that underlie them. Research on the …

Our understanding of social anxiety disorder (also known as social phobia) has moved from
rudimentary awareness that it is not merely shyness to a much more sophisticated …

Mice experiencing repeated aggression develop a long-lasting aversion to social contact,
which can be normalized by chronic, but not acute, administration of antidepressant. Using …

Fear is an adaptive component of the acute “stress” response to potentially-dangerous
(external and internal) stimuli which threaten to perturb homeostasis. However, when …

Social fear and avoidance of social situations represent the main behavioral symptoms of
social anxiety disorder (SAD), a highly prevalent anxiety disorder that is poorly elucidated …

Many theories of cognitive aging are based on evidence that dopamine (DA) declines with
age. Here, we performed a systematic meta-analysis of cross-sectional positron emission …

Until recently, there has been limited recognition that diminished positive psychological
experiences are important to understanding the nature of social anxiety. Meta-analytic …

Objectives: Biomarkers are defined as anatomical, biochemical or physiological traits that
are specific to certain disorders or syndromes. The objective of this paper is to summarise …

Neuroimaging research has helped to advance neurobiological models of anxiety disorders.
The amygdala is known to play an important role in normal fear conditioning and is …

Brain imaging techniques allow the in vivo evaluation of the human brain, leading to a better
understanding of its anatomical, functional and metabolic substrate. The aim of this current …