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Attachment in monkey infants raised in variable- and low-demand environments.

M W Andrews1, L A Rosenblum

  • 1Department of Psychiatry, SUNY Heath Sciences Center, Brooklyn 11203.

Child Development
|August 1, 1991
PubMed
Summary
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Maternal foraging demands impact bonnet macaque infant behavior. Variable foraging demand in mothers led to less exploration and play in infants when introduced to a novel environment, suggesting potential attachment insecurity.

Area of Science:

  • Primate behavior
  • Developmental psychology
  • Animal attachment

Background:

  • Mother-infant dyads are crucial for understanding social development.
  • Foraging demands can influence maternal behavior and infant outcomes.
  • Bonnet macaques (Macaca radiata) provide a model for studying primate social dynamics.

Purpose of the Study:

  • To investigate the effects of maternal foraging demand on bonnet macaque mother-infant dyadic behavior.
  • To assess infant responses to novelty following different maternal foraging conditions.
  • To explore potential links between maternal foraging, infant attachment, and exploratory behavior.

Main Methods:

  • Studied 12 bonnet macaque mother-infant dyads over 14 weeks.
  • Assigned dyads to either low-foraging-demand (LFD) or variable-foraging-demand (VFD) conditions.

Related Experiment Videos

  • Observed dyadic interactions and responses to a novel environment challenge.

    • Main Results:

    • Variable foraging demand (VFD) mothers exhibited more grooming and shorter separation bouts.
    • VFD infants showed significantly lower frequency of breaking dyadic contact during novelty challenges.
    • VFD infants displayed significantly lower levels of play in the novel environment compared to LFD infants.

    Conclusions:

    • Maternal foraging conditions can subtly alter mother-infant interactions.
    • Variable foraging demands may lead to less secure infant attachment, impacting exploration.
    • These findings highlight the sensitivity of infant development to maternal ecological challenges.