Archived posting to the Leica Users Group, 2010/02/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Feb 2, 2010, at 10:46 AM, Aram Langhans wrote: >> From: "wildlightphoto at earthlink.net" <wildlightphoto at earthlink.net> >> Subject: Re: [Leica] False start explained well >> To: lug at leica-users.org >> Message-ID: <380-2201022216297453 at M2W121.mail2web.com> >> Content-Type: text/plain; charset=iso-8859-1 >> >> >> The problem I have with the 0.10 second assumption is that it assumes a >> cognitive reaction to aural stimulus. Has a reflex arc been ruled out? >> >> Doug Herr >> Birdman of Sacramento >> http://www.wildlightphoto.com >> >> > > Doug. I have never heard of that suspicion. As for the reflex arc, I'll > ask: from where to where? From my understanding of the reflex arc, the > stimulus must occur somewhere along the same nerve pathway as the > response, like the knee to the spinal cord and back to the muscles that > move the knee. Or the fingertips to the spinal cord and back to the finger > muscles in the case of the way I would try to measure reaction time. From > eye or ear to muscles in legs or arms as far as I know is not a reflex. > And this really shows up in my experiment I would have the kids do for > measuring reaction time. can one through vigorous training, create a reflex arc of this sort, if one is not there initially...? Steve > > Aram > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information