The developing child is more vulnerable to teratogens in the ____________ stage

Trephination is the process whereby

a) a circular instrument was used to cut away sections of the skull in ancient times, possibly in an attempt to release demons from the brain. b) ancient cultures attempted to heal the abnormal behaviors of their peers by inserting metal rods into the skull. c) modern brain surgeons remove certain sections of the skull to alleviate pressure on the brain from injuries caused during warfare d) modern brain surgeons remove sections of the brain to prevent seizures and certain abnormal behaviors.

In the 1950s, a famous experiment of rhesus monkeys reared with terry-cloth and wire-mesh "surrogate mothers" provided evidence that

A) attachment does not depend on hunger satisfaction. B) the infant's characteristics play the largest role in the relationship. C) sensitive caregiving is key to the development of a secure attachment pattern. D) attachment security in infancy is highly dependent on hunger satisfaction.