Estradiol is the “prototypic” sex hormone of women. Yet, women have another sex hormone,
which is often disregarded: Progesterone. The goal of this article is to provide a …

This review examines the hypothesis that oxytocin pathways—which include the
neuropeptide oxytocin, the related peptide vasopressin, and their receptors—are at the …

Variations in phenotype reflect the influence of environmental conditions during
development on cellular functions, including that of the genome. The recent integration of …

The concept of 'successful aging'has long intrigued the scientific community. Despite this
long-standing interest, a consensus definition has proven to be a difficult task, due to the …

Trust pervades human societies,. Trust is indispensable in friendship, love, families and
organizations, and plays a key role in economic exchange and politics. In the absence of …

BACKGROUND: The presence of social support has been associated with decreased stress
responsiveness. Recent animal studies suggest that the neuropeptide oxytocin is implicated …

▪ Abstract Naturally occurring variations in maternal care alter the expression of genes that
regulate behavioral and endocrine responses to stress, as well as hippocampal synaptic …

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 …

Romantic and maternal love are highly rewarding experiences. Both are linked to the
perpetuation of the species and therefore have a closely linked biological function of crucial …

The purpose of this paper is to review existing behavioral and neuroendocrine perspectives
on social attachment and love. Both love and social attachments function to facilitate …