The following message may be of interest to the group.
I would like feedback on David's question.
Ron Blue
From: David Poling <David_Poling at ccm.jf.intel.com>
Message-ID: <950125144224_3 at ccm.jf.intel.com>
To: x011 at ns1.CC.Lehigh.EDU
Subject: COP and frame rate in VR
Hi Ron:)
I've been applying COP theory to various perceptual phenomena and it seems
to explain them very well. One of these phenomena, the barfogenic
zone(descriptive, eh?), occurs in a virtual reality simulation with
low frame rates for the screen update. Smooth motion is perceived
when the frame rate is at ~30hz. The barfogenic zone is a range of
frame rate values between 12-20hz or so(I haven't found the article
I read describing this zone yet). In this zone, most people seem to
get severely nauseated and often lose their cookies so to speak:)
This frequency range also appears to correlate with the BETA brainwave
state. What about finding an optimum frequency(frame rate) to display
information that would improve a person's ability to absorb and
remember that info...
Do you think it's possible?
C-ya,
David Poling
vmfx at teleport.com
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VMFX
"We design the world for you!"
*Virtual Environments* *VR System Design*
*Animation* *Graphic Design*
10902 SW 63rd Ave, Portland, OR 97219, Phone:(503)977-3551
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