Given that depression has been shown to be directly caused by neurochemical imbalance, antidepressant medication is the most effective way to treat depression in adolescents.

Researchers have found that the female math scores are related to

A) cultural factors. B) estrogens. C) testosterone levels. D) educational factors.

The brain stem is critical to survival because it

A) regulates higher cognitive functioning. B) mediates responses between the autonomic and peripheral nervous system. C) controls most of the biological functions associated with living. D) contains the area known as the cerebral cortex.