Article View: sci.misc
Article #958Re: A Sneeze (AH-choo!) Question
From: Joan Gargano
Date: Thu, 14 Apr 1988 17:11
Date: Thu, 14 Apr 1988 17:11
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In article <27047@yale-celray.yale.UUCP> briscoe-duke@CS.YALE.EDU (Duke Briscoe) writes:
>The only times I've noticed the sneezing reaction is when I am looking up into
>a bright sky, usually towards the sun. It is pretty clear to me that there is
>a genetic basis to this reaction, and that its purpose is to keep you from
>looking at light so bright that it could damage your retina. The bit about the
>sneezing occurring upon sudden exposure to bright light would be related to the
>fact that your pupil has not yet adjusted to the intensity change.
This actually has to do with the stimulation of a nerve in the eye by
the bright light. This nerve also passes through the nasal area. The
stimulation then causes you to sneeze.
--
Joan Gargano * Univ. of Calif., Davis, Computing Services * (916) 752-2591
Internet jcgargano@ucdavis.ucdavis.edu
BITNET jcgargano@ucdavis
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!lll-winken!lll-lcc!lll-tis!ames!pasteur!ucbvax!ucdavis!ccjoan From: ccjoan@ucdavis.ucdavis.edu (Joan Gargano) Newsgroups: sci.misc,sci.bio Subject: Re: A Sneeze (AH-choo!) Question Message-ID: <1751@ucdavis.ucdavis.edu> Date: 14 Apr 88 17:11:52 GMT References: <7756@alice.UUCP> <939@xn.LL.MIT.EDU> <11360@santra.UUCP> <6753@ames.arpa> <11869@santra.UUCP> <27047@yale-celray.yale.UUCP> Reply-To: ccjoan@ucdavis.ucdavis.edu.UUCP (Joan Gargano) Organization: University of California, Davis Lines: 16 Keywords: sneeze