Social support, which is the perception or experience that one is cared for, esteemed, and
part of a mutually supportive social network, has beneficial effects on mental and physical …

Research on the neural substrates of drug reward, withdrawal and relapse has yet to be
translated into significant advances in the treatment of addiction. One potential reason is that …

The size of human social networks significantly exceeds the network that can be maintained
by social grooming or touching in other primates. It has been proposed that endogenous …

The roles of opioid receptors in pain and addiction have been extensively studied, but their
function in mood disorders has received less attention. Accumulating evidence from animal …

Emerging evidence has shown that social pain—the painful feelings that follow from social
rejection, exclusion, or loss—relies on some of the same neural regions that process …

Recent evidence from neurophysiology and human functional neuroimaging has given rise
to the hypothesis that social, affective touch belongs to a distinct category of tactile …

A growing body of evidence from the behavioural and neural sciences indicates that social
touch has a vital role in human development and psychological well-being. Despite some …

We recently reported that naltrexone blocks antidepressant effects of ketamine in humans,
indicating that antidepressant effects of ketamine require opioid receptor activation …

Rationale Love has long been referred to as an addiction in literature and poetry. Scientists
have often made comparisons between social attachment processes and drug addiction …

The psychology of close human relationships is increasingly well understood and our
understanding of the neurobiology of the onset of pairbonding behaviour in a range of …