There are two basic steps to seeing.The first is physical;what is the second?

Question

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The Answer is The two basic steps to seeing are physical and psychological (or neural processing). The first step, the physical aspect, involves the actual entry of light into the eye, where it is focused by the lens onto the retina at the back of the eye. The retina contains photoreceptor cells (rods and cones) that detect light and convert it into electrical signals.

The second step is psychological or involves neural processing. This step occurs when the electrical signals generated by the photoreceptors are transmitted via the optic nerve to the brain. In the brain, specifically in the visual cortex, these signals are processed, interpreted, and integrated with information from other senses and with previous experiences to create the perception of sight. This step is crucial for making sense of what we see, allowing us to recognize objects, understand spatial relationships, and perceive motion, among other visual tasks.

There Are Two Basic Steps to Seeing