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Pinna Illusion

Pinna illusion is the first visual illusion showing a rotating motion effect. In Figure 1 the squares, delineated by two white and two black edges each, are grouped by proximity in two concentric rings. All the squares have the same width, length, an...

The Eye and Night Vision

... These signals are subsequently interpreted as vision. Most of the receptors are rods, which are found predominately in the periphery of the retina, whereas the cones are located mostly in the center and near periphery of the retina. Although t...

Limits of Human Vision

A model of the perception limits of the human visual system is presented, resulting in an estimate of approximately 15 million variable resolution pixels per eye. Assuming a 60 Hz stereo display with a depth complexity of 6, we make the prediction th...

Psilocybin slows binocular rivalry switching through serotonin modulation

Binocular rivalry refers to the fluctuations in visual awareness/suppression that occur when different images are simultaneously presented to each eye. To explore the role of serotonin (5-HT) in binocular rivalry, this study investigated the affects ...

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