Personal Perspective about Optical Illusions

Optical Illusions
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Optical illusions present a different image in size, shape, or other aspects compared to reality. There is an argument on whether optical illusions are secondary to the trick done to the eyes versus the brain. Scientists and artists have different perspectives on this matter. However, based on the existing literature, optical illusions are formed secondary to the brain’s unrealistic interpretation of a realistic image.
Wu et al. (2020) experimented on the direction-selective neurons using the waterfall illusion to pinpoint the exact location of these neurons. Direction-selective neurons detect and respond to motion via motion-dependent behaviors, including compensatory eye movements. The researchers explained that the motion aftereffect is secondary to being exposed to a specific static visual stimulus for a long duration followed by a brief movement, resulting from drifting in the image perceived by the brain to the opposite direction, resulting in a global rotational perception via the direction-sensitive neurons.
Conversely, Yue et al. (2017) stated that optical illusions are secondary to the data assembled by the eye before the information is transmitted to the brain. This implicates that the eye is the primary organ that is important in making optical illusions.
From a personal perspective, optical illusions are more related to the brain than the eye because the former has absolute control over bodily processes. The University ...