Dependence between the Size of the Foveola and the Parameters of Visual Perception
2018
The purpose of this study was to investigate the relationship between the morphological parameters of the fovea, foveola, and foveolita of the human eye and the psychophysical and electrophysiological indices of the sensory and cognitive activities. We investigated the relationship between the sizes of these structures and the resolving power of the eye, as well as the influence of the size on the amplitudes and latent periods of various evoked potential components. It has been found that the foveola diameter affects the latent periods of the early waves of the visual evoked potentials (component P100) in the occipital areas. Our data confirm the effect of the foveola diameter on the parameters of cognitive processes during reading. In particular, it has been found that a larger fovea size provides the perception of a higher amount of printed characters.
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