Attachment theory explains how the quality of early caregiver relationships shapes emotional regulation, social competence, and mental health across the lifespan. Developed by John Bowlby and expanded by Mary Ainsworth, the science of attachment offers practical, evidence-based guidance for building secure parent-child bonds from birth through adolescence.
What This Cheat Sheet Covers
This topic spans 11 focused tables and 78 indexed concepts, 78 flashcards. Below is a complete table-by-table outline of this topic, spanning foundational concepts through advanced details.
A jump-to index of every table row in this cheat sheet.
An interactive map of every table and concept in this topic.
Table 1: Foundational Concepts of Attachment Theory
Before any of the classifications or interventions make sense, it helps to grasp the handful of ideas Bowlby and his successors built everything else on — that babies are wired to seek closeness, that one figure usually anchors the system, and that early experiences harden into a working model the child carries into every later relationship. Harlow's clinging monkeys and the secure-base/safe-haven pairing here are the mental images worth holding onto as you read the rest of the sheet.
| Concept | Example | Description | |
|---|---|---|---|
A baby cries and a parent responds consistently, building trust | Bowlby's (1969) evolutionary/ethological framework proposing humans are biologically programmed to form close emotional bonds with primary caregivers as a survival mechanism | ||
An infant prefers its mother over all other caregivers in distress | • Bowlby's principle that infants form one primary attachment figure (usually the mother) who holds a privileged status • a hierarchy of subsidiary figures also exists | ||
A securely attached child approaches new adults with confidence | • Mental representations of self, others, and relationships built from early attachment experiences • serve as a template for all future relationships and self-concept | ||
A toddler explores a playground but looks back to check on a parent | Caregiver functions as a safe launch pad from which the child can explore the world, knowing support is available if needed | ||
A child runs to a parent after falling and scraping their knee | • Caregiver functions as a refuge to return to when frightened, hurt, or overwhelmed • complementary to the secure base function | ||
Attachments formed before age 5 have the greatest developmental impact | • Originally proposed as a critical period (first 2–3 years) • later revised to a sensitive period extending approximately to age 5, during which attachment formation is most influential | ||
Harlow's infant monkeys clung to cloth mothers even when wire mothers provided food | Harlow's (1958) rhesus monkey experiments demonstrated that physical warmth and softness (contact comfort) — not feeding — is the primary basis of attachment | ||
Proximity-seeking behaviors (crying, clinging) increase survival odds | Bowlby argued attachment behaviors are adaptations selected because they keep vulnerable infants close to protective caregivers, particularly in environments of predation |