41. Sympathicotonia is a stimulated condition of the sympathetic nervous system , marked by vascular spasm, elevated blood pressure, 42. Neuroblastoma can also develop anywhere along the sympathetic nervous system chain from the neck to the pelvis. 43. The effects of caffeine and the symptoms of anxiety both increase activity within the sympathetic nervous system . 44. The SCG is the only ganglion in the sympathetic nervous system that innervates the head and neck. 45. My understanding is that the sympathetic nervous system would be activated in response to a stressful event. 46. Other factors that affect vascular tone, like hormones and the sympathetic nervous system , operate on a bodywide scale. 47. "When you drink a cup of coffee, the caffeine chemically stimulates your sympathetic nervous system , " he writes. 48. Part of the sympathetic nervous system , these nerves regulate unconscious functions such as sweating and maintaining blood pressure. 49. Psychophysiological economics researchers directly measure the sympathetic nervous system as a person responds to stressor within the environment. 50. Epinephrine activated the sympathetic nervous system and produced systems such as an elevated heart rate and blood pressure.
