A. The images below represent two eyes focusing at one point (F)
and their projection on their Primary Visual Cortices (V1) there are
also 4 points in the background, the image to the right has an
increased Nasal-Alpha-Area.
1. Normal: All the points fall in clearly in both eyes their view-field.
2. Increased: Only the Focus point falls into the view-field of
both eyes, two points in the background are each time blocked out by
the Alpha-Area.
Result: When 1 & 2 are compared we can see that the Primary
Visual Cortex (V1) has to process much less information when
Nasal-Alpha-Area is increased.
B. The Focus point (F) is positioned more to the left.
1. Normal: The 2 Red dot's are blocked out and the
Nasa-Alpha-Area has got a small projection on to the Peripheral region
of V1: small hold-on.
2. Increased: The 2 Red dot's are as in 1 blocked out and the
Nasal-Alpha-Area covers the Monocular Peripheral region completely:
firm hold-on. Here the Nasal area starts to fall in to central foveal
area.
Result: There is no big difference between the two
combinations except the Vertical-Alpha-Area starts to fall in to the
foveal region, that contains mainly cones and is color sensitive, this
will have as effect that the subject has to turn his head to have a
clear view at the Focus-point (F) or he will be more focused during
reading because he has a more restricted sight.
Conclusion: The amount of vertical visual masking and alignment area (Alpha) defines for a
big part the amount of information V1 has to process and our
Binocular-view-region.
The
purpose of this site is to present questions and new ideas about
the above subjects.
The
purpose of this site is to present questions and new ideas about
the above subjects.
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