What is the area of the brain that undergoes considerable development during the adolescent years?

Thanks to the release of carbon isotopes in nuclear weapons tests, researchers have been able to detect the process of neurogenesis in the

A) motor cortex B) corpus callosum C) somatosensory cortex D) hippocampus

Another word for "emotional" is:

a. affective b. personality-based c. temperamental d. unstable