Social support does not require attachment: Any conspecific tranquilizes isolated guinea-pig pups

摘要: Abstract Guinea pig pups produce typical distress whistles when isolated. Whistles' frequency is decreased or abolished they contact with the mother and, to a lesser degree, sibling even an unfamiliar female, regained. Those non-aggressive companions were considered social support providers for reducing pup physiological stress responses and whistling rate in environment. However, what would happen if isolated be adult male, normally indifferent pups, such situation? The role of attachment familiarity males promoting changes was verified. Tests consisted separating three week old from their family, familiar environment, introducing conspecific cage after one minute (mother, sibling, father strange male). Whistling other behaviors compared between alone period accompanied period. Main factors prior presence/absence (pups raised until testing only first birth), sex pup, novelty test environment companion. It verified that (1) all conspecifics reduced ( F 4,88 =77.89, p 1,22 =7.68, =10.63, =6.18,