Maternal cradling and infant nipple preferences in rhesus monkeys (Macaca mulatta).
Dev Psychobiol
; 32(4): 305-12, 1998 May.
Article
em En
| MEDLINE
| ID: mdl-9589219
ABSTRACT
This study investigated lateral biases in nipple preferences, maternal cradling, carrying, and retrieval in 41 rhesus macaque (Macaca mulatta) mother-infant dyads living in two captive social groups. Observations were made during the first 6 weeks of infant life using a combination of scan sampling and ad-libitum sampling techniques. Infants exhibited a significant left-nipple preference in the first weeks of life but the bias decreased with infant age. Mothers showed a left-arm bias in carrying their infants but no significant lateral bias in cradling or retrieval. Our results suggest that the left-side cradling bias reported in studies of humans and some other primates reflects a bias in the infant's nipple preference rather than in maternal behavior. The infants' preference for the left nipple is consistent with both Salk's (1960) heartbeat hypothesis and with more recent hypotheses linking this lateral bias with brain asymmetry and hemispheric specialization for mother-infant communication.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Comportamento de Sucção
/
Comportamento de Escolha
/
Lateralidade Funcional
/
Macaca mulatta
/
Comportamento Materno
Tipo de estudo:
Prognostic_studies
Aspecto:
Patient_preference
Limite:
Animals
Idioma:
En
Revista:
Dev Psychobiol
Ano de publicação:
1998
Tipo de documento:
Article
País de afiliação:
Estados Unidos