The goals of this review are to provide, first, an overview of the two major technologies used for imaging the sympathetic nervous system, and, second, understanding of the role of imaging in the ...

Our bodies are full of nerves! How do they work? Why do we have an autonomic and a somatic nervous system? When do the sympathetic and parasympathetic systems kick in? And what's with the vagus nerve?

Following acute multiple trauma, hypothalamic stimulation of the sympathetic nervous system and adrenal glands causes an increase in circulating corticoids and catecholamines, or a stress response.