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
The Widening Gyre (album) there some of the fourteen tracks of this superb album. [...] Throughout the album, American and Irish tunes intertwine with each other and lay down a wonderful template sublimated by Mairéad Ní Mhaonaigh's crystalline voice and her fellow musicians' instruments. Once again, a nice piece of work." In December 2015, The Telegraph's culture editor Martin Chilton chose "The Widening Gyre" as one of the 70 best folk music albums of the year 2015. On 7 March 2015, "The Widening Gyre" entered the Billboard Top Ten World Music Albums Charts at #5 (its peak position ever) and hold #5 for six