Bridging the bonding gap: the transition from primates to humans

The brain opioid theory of social attachment: a review of the evidence

(2011) A.J. Machin et al.   BEHAVIOUR

Social laughter is correlated with an elevated pain threshold

(2011) R. I. M. Dunbar et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Bondedness and sociality

(2010) Robin Dunbar et al.   BEHAVIOUR

The costs of family and friends: an 18-month longitudinal study of relationship maintenance and decay

(2010) Sam G.B. Roberts et al.   EVOLUTION AND HUMAN BEHAVIOR

Encephalization is not a universal macroevolutionary phenomenon in mammals but is associated with sociality

(2010) S. Shultz et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Socioecological correlates of facial mobility in nonhuman anthropoids

(2009) Seth D. Dobson   AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY

Distinctive Paleo-Indian Migration Routes from Beringia Marked by Two Rare mtDNA Haplogroups

(2009) Ugo A. Perego et al.   CURRENT BIOLOGY

The benefits of social capital: close social bonds among female baboons enhance offspring survival

(2009) J. B. Silk et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Network cohesion, group size and neocortex size in female-bonded Old World primates

(2009) J. Lehmann et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Focused grooming networks and stress alleviation in wild female baboons

(2008) Roman M. Wittig et al.   HORMONES AND BEHAVIOR

Implications of body mass and predation for ape social system and biogeographical distribution

(2008) Julia Lehmann et al.   OIKOS