IIRC, (and it was a long time ago) the fovia in our eyes are slightly
off center. That, I think, is why very dim object are often perceived
when looking in a slightly different place than exactly at the dim
object. --J.B.
Dirk de Jong dirk.borisfx@gmail.com [Avid-L2] wrote:
>
> absolutely - and what's more only the very center of your gaze has the
> highest resolution with peripheral vision being the equivalent of low
> rez (fewer photoreceptors) and so your brain is constantly filling in
> what it expects to see in the periphery - I was first struck by that
> idea when reading this fun book ;
> http://www.amazon.com/Sleights-Mind-Neuroscience-Everyday-Deceptions/dp/0805092811/
>
> perhaps someone should create a variable resolution display / file
> format with higher resolution in the center to save bandwidth : )
>
>
>
>
> On Mon, Oct 26, 2015 at 9:16 PM, John Beck jb30343@windstream.net
> <mailto:jb30343@windstream.net> [Avid-L2] <Avid-L2@yahoogroups.com
> <mailto:Avid-L2@yahoogroups.com>> wrote:
>
>
> A random thought on the subject.
>
> I had a very interesting conversation today with an electrical
> engineer
> friend. Part of his current research deals with the way human (and I
> suppose other animal) brains process visual information. Assuming
> that
> his references are correct, it more or less boils down to an
> exercise in
> data compression. My non electrical engineer understanding is that
> signals from our eyes are fed to our brain. Simultaneously, the brain
> creates a signal representing what it expects to see. The two signals
> are compared and the visual signal is discarded except for the parts
> that are different from the brain's predicted signal.
>
>
>
>
>
Posted by: John Beck <jb30343@windstream.net>
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