Mydriasis pupil) or overactivity of the sympathetic nervous system (SNS). Pupil diameter also increases in reaction to cognitive tasks requiring memory and attention, and this phenomenon is used as an indicator of mental activation (‘arousal’) in psychophysiological experiments . Natural release of the hormone oxytocin can cause mild to moderate mydriasis. Parasympathetic fibers travel with cranial nerve III, the oculomotor nerve, to innervate the circular layer of muscle of the eye (sphincter pupillae). Damage to this nerve typically manifests itself as mydriasis, because the sympathetic supply to the pupil, which causes mydriasis, remains unaffected, and therefore unopposed. Multiple central nervous system
What Is a Nation? often adopted the religion and manners, and married the women, of the people they conquered. He notes that France was quite ethnically diverse during the French Revolution. For example, "at the end of one or two generations, the Norman invaders were indistinguishable from the rest of the population". Nonetheless, they had a profound influence, bringing with them "a nobility of military habit, a patriotism" which did not exist before. - Renan then states what has become one of the most famous and enduring ideas of the essay. "Forgetfulness, and I would even say historical error, are essential in the creation