"We could maybe compare brain changes in mothers who were depressed or had problems bonding with their infants to normal mothers," said Kim, who was at Yale University when she did the work.

我们可能会把那些有些抑郁的妈妈或与她们的宝宝有点问题的妈妈同正常的妈妈们比较她们大脑的变化，当金在耶鲁大学工作是她这样说。