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With all due respect, LED 3D passive displays with a 2ms jitter (grey to grey) are becoming as precise as anyone would need, enabling 3d without the need of a silver screen. Only if... the noise they produce ends affordable. Juan On Wed, Nov 14, 2012 at 5:57 PM, Tom Holroyd (NIH/NIMH) [E] < [log in to unmask]> wrote: > Agreed. The modern way is to use a DLP projector. LCDs are much too slow > and jittery. > > > Maarten van-Casteren wrote: > >> Projectors are not archaic and LED screens are LCD screens with LED >> backlight. >> >> Maarten >> >> -----Original Message----- >> From: Discussion list for international MEG community [mailto: >> [log in to unmask]**AC.UK <[log in to unmask]>] On Behalf >> Of Okada, Yoshio >> Sent: 14 November 2012 16:51 >> To: [log in to unmask] >> Subject: Re: [megcommunity] LCD screen in MEG chamber >> >> This is a good topic for discussion as I feel that the old archaic method >> of using a projector should be replaced by a modern method. LCD screen >> produces too much noise, but how about an LED screen? Yoshio Okada >> >> ______________________________**__ >> From: Discussion list for international MEG community [ >> [log in to unmask]] on behalf of Olaf Hauk [ >> [log in to unmask]] >> Sent: Wednesday, November 14, 2012 10:35 AM >> To: [log in to unmask] >> Subject: [megcommunity] LCD screen in MEG chamber >> >> Dear MEGers, >> >> Has anyone got experience with using an LCD screen (possibly MRI >> compatible) inside the MEG chamber, and letting magic Maxfilter sort out >> the artefacts? >> >> We would like to run visual experiments that require higher temporal >> resolution and smaller delays than can be achieved with our projector. >> >> Best regards, >> >> Olaf >> >> --- >> Olaf Hauk, PhD >> MRC Cognition and Brain Sciences Unit >> 15 Chaucer Road >> Cambridge CB2 7EF >> Phone: +44(0)1223 273702 >> Fax: +44(0)1223 359062 >> E-Mail: [log in to unmask]<**mailto:[log in to unmask]** >> ac.uk <[log in to unmask]>> >> http://www.mrc-cbu.cam.ac.uk<h**ttp://www.mrc-cbu.cam.ac.uk/<http://www.mrc-cbu.cam.ac.uk/> >> > >> http://www.mrc-cbu.cam.ac.uk/**people/olaf.hauk/<http://www.mrc-cbu.cam.ac.uk/people/olaf.hauk/> >> > > -- > The white knight is talking backwards. >