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) critic Lee Zimmerman, stating: ""The Widening Gyre" is a defining moment for Altan. [...] [It] is much more than a mere scholarly treatise. The energy and enthusiasm are palatable, and there's a sense of celebration that echoes throughout. [...] Altan has made the kind of album that defines them as distinctive." "Irish Music Magazine"'s critic Eileen McCabe, stated: "Altan are just at the start of their next chapter and having shown their inimitable metal with "The Widening Gyre"; they have set the standard at an all time high." "Folkworks" reviewer Anya Sturm, stated: "Altan's new CD "The Widening Gyre" is