Answer:
Considering that the article suggests that the orbital frontal cortex is responsible for the impulse to react inappropriately, we should consider the possibility of younger children not having been through the changes the brain undergoes during the teen years as the reason for them not to show the same poor impulse control when viewing a threatening face. This could be a biological explanation of the phenomenon. However, another explanation could be the internalization of the social fear that teenagers have been learning since childhood. To explore this theory, a study about the social environment of the subjects, and its approach to perceived threats.
Explanation:
In her article, Laura Sanders describes a study aimed to explain why criminal activity peaks during the teen years, which concluded that the teenage brain seems to experience changes that can incite an excessive response to fear.
