Annual review of psychology.

Periodical
Psychology
Publisher:
Annual Reviews, inc.. Palo Alto Ca : Annual Reviews
Frequency: Annual
Country: United States
Language: English
Start Year:1950 -
ISSN:
0066-4308 (Print)
1545-2085 (Electronic)
0066-4308 (Linking)
Impact Factor
24.8
2023
NLM ID:0372374
(DNLM):A54300000(s)
(OCoLC):01435605
Coden:ARPSAC
Classification:W1 AN7796
The evolutionary origins of friendship.
Annual review of psychology    July 5, 2011   Volume 63 153-177 doi: 10.1146/annurev-psych-120710-100337
Seyfarth RM, Cheney DL.Convergent evidence from many species reveals the evolutionary origins of human friendship. In horses, elephants, hyenas, dolphins, monkeys, and chimpanzees, some individuals form friendships that last for years. Bonds occur among females, among males, or between males and females. Genetic relatedness affects friendships. In species where males disperse, friendships are more likely among females. If females disperse, friendships are more likely among males. Not all friendships, however, depend on kinship; many are formed between unrelated individuals. Friendships often involve cooperative inte...