Neither, obviously. The proximal cause of sneezing is a complex of neuro-muscular behaviors. That complex has an untold number of triggers, from bright lights and sound to tickling. Any competent analysis of such causation will focus on the *bottleneck*, which is the neuro-muscular complex, not the huge number of triggers.
On 02/22/2018 09:22 AM, Nick Thompson wrote: > Is sneezing caused by dust OR by the forceful expulsion of air through our > nasal tracts? We would never ask such a question, right? -- ☣ uǝlƃ ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove