Pupillary response Pupillary response Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. A constriction response (miosis), is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates/opioids or anti hypertension medications. Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PSNS), contracts. A dilation response (mydriasis), is the widening of the pupil and may be caused by adrenaline, anticholinergic agents or drugs such as MDMA, cocaine, amphetamines and some hallucinogenics. Dilation of the pupil occurs when the
The Widening Gyre (album) get their teeth into", describing "The Widening Gyre" as "an absolute treasure trove" and Ní Mhaonaigh's voice as "indescribably beautiful", "songs [occupying] a special place on any Altan album", adding: "Ní Mhaonaigh's soaring, soul-stirring vocals on "Far Beyond Carrickfinn" [...] is one of the most touching things you'll hear this year". The Telegraph gave it 4 stars (out of 5), describing it as "a wonderful mix of Irish and Appalachian music." On 9 March 2015, "The Widening Gyre" was honoured "album of the week" on RTÉ radio 1. PopMatters's gave it a rating of 8 stars out of 10. Music