Neither the mother’s personality, nor the infant’s neurological anomalies at birth, nor its IQ, nor its temperament—including its activity level and reactivity to stress—predicted whether a child would develop serious behavioral problems in adolescence.20 The key issue, rather, was the nature of the parent-child relationship: how parents felt about and interacted with their kids. As with Suomi’s monkeys, the combination of vulnerable infants and inflexible caregivers made for clingy, uptight kids. Insensitive, pushy, and intrusive behavior on the part of the parents at six months predicted
...more