In One Study That Looked at the Effects of Maternal

Multiple Choice

In one study that looked at the effects of maternal depression during pregnancy and child outcomes, researchers found that children who had a particular type of the serotonin transporter gene were likely to be emotionally immature if their mothers were depressed. However, children with this gene were more mature than average if their mothers were not depressed. These findings illustrate the concept of _____

A) "epigenetics."
B) a "critical period."
C) a "sensitive period."
D) "differential susceptibility."