Retinal Cone-Cell Density on Reading Ability
|
A Simulation of the Effect of Retinal Cone-Cell Density on Reading Ability | |
| The top, left box represents the brain's perception of images transmitted from the center of the retina. The nerve cells in the center are more densely packed together than other areas of the retina. As a result, the words and background in this box are sharply differentiated. Each subsequent box, where the dots representing nerve cells are less densely packed together, simulates the brain's perception of images transmitted from areas on the retina that are further away from the center of the retina. In much the same way that the occipital lobe of the brain can only perceive what is transmitted from the retinal cells, the shape of the white letters in the simulation is only visible against a dark background. (L. Burkhardt, 07/15/09) | |
|
|
|
|