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
I Wouldn't Normally Do This Kind of Thing I Wouldn't Normally Do This Kind of Thing "I Wouldn't Normally Do This Kind of Thing" is the third single from Pet Shop Boys' fifth album "Very". It was released in the UK by Parlophone Records on 29 November 1993, where it eventually reached number 13 in the chart. It reached number 2 on the US Club chart where it was released in January 1994. It appears to describe a person, normally hesitant to unwind and show his feelings, who—because of some event in his life (possibly a love interest)—suddenly becomes willing to let it all hang out. It is