Anabolic steroids act in the limbic system.
In animals, they have been shown to impair learning and memory. They can also lead to changes in mood, such as feelings of depression or irritability. Anabolic steroids in the brain may trigger really aggressive behavior. Can Confuse the Brain and Body Your body's testosterone production is controlled by a group of nerve cells at the base of the brain, called the hypothalamus. The hypothalamus also does a lot of other things.