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Lecture3 - size • Aversiveness of infant cries(video o We...

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HD 3620—Lecture 3 2/2/2010 “Nature and Function of Infant-Caregiver Bonds, Part 2” Last time: the attachment behavioral system Today: more factors that promote bonding Attachment Behavioral System How do you choose who will be primary attachment figure? Selection factors: o Familiarity/proximity o Competence/maturity Babies notice how someone holds them/interpret their signals Sensitive to maturity (infant v. adult face/voice) o Physical intimacy (mother v. day care person) Ontogeny of Attachment Bonds 0-2 months: “pre-attachment” 2-6 months: “attachment-in-the-making” 6-8 months: “clear-cut” attachment Self-produced locomotion Stranger anxiety Separation distress 24 months: “goal-corrected partnership” More Factors that Promote Bonding Neotenous features of infants (cute baby: bulging forehead, small chin, eye
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Unformatted text preview: size) • Aversiveness of infant cries (video) o We want to stop it o Most countries babies don’t cry? Emergency signal • Infant-directed speech/”motherese” o For regulating infant emotion o For communicating non-threat, intimacy • Appeal of infant smiles (video) • Infant attraction to faces, eyes • Infants’ soft and smooth skin • Oxytocin & endorphins o Both induce a pleasant emotional state but the mechanisms differ o Contact (comfort) oxytocin release o Infant distress endorphin release o OR: distress oxytocin & endorphin effects associated with attachment figure • “Kangaroo care”—skin-to-skin contact o Reduces stress hormones o Long term benefits (ex: pre-term babies in hospital) • Co-sleeping...
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