One of the most cognitive phenomena that have been studied in psychology and neuroscience, an illusion of widening the hole better helps how our brain processes visual information.
In the picture, it seems that a dark point still increases in size as we noticed, as if it was moving forward, and even as if we were falling into a black hole.
“The illusion in the wide hole challenges the traditional views of the movement’s perception, which indicates how fixed images can raise strong sensations of movement.” On the ARXIV platform before erection.
One of the psychological physical studies conducted in 2021, which showed that the iconic illusion does not result in a perceptual effect, But the student also expands, A duo for researchers now suggests that the illusion begins in the eye, then affects the brain.
To test this hypothesis, Nasim Nematzadeh created from the University of Flinders in Adelaide, Australia is a calculation that simulates the performance of the retinal cells.
Run the expansion hole
Inside our retina, we have some neurons specialized in receiving visual information (and transferring them to the brain), called the retinal knot cells (RGCS in English).
It mainly works as a distinctive photography. When you look at the standard of “expansion hole”, Some of these cells see the smaller dark concentrated, while others see this bigger.
When all these cells send their different “versions” to the brain at the same timeConfusing. Some RGCS also says that the hole is small and others, it is large, the brain explains the difference as if the black hole grows and moves.
This is where a nasem -of -speaking difference candidate (dog) is playing, which “sees” the same eye cells. He confirms that this “confusion” of the signs that make us see a movement where it does not exist.
For this, the dog creates an unclear version of the image, taking two unclear layers, as the RGCS does. By modifying the radius of the filter, the researchers realize that different cells explain the image in different ways.
When these signs reach the optical crust (part of the brain that treats vision), this happens A process called side inhibitionNerve cells prevent or reduce their neighbors’ activity, which generates an illusion of expansion.
Why is it important to know how this illusion works?
By reading the study, we can wonder why someone spends time and resources to worry about visual illusions that, although enjoyable, will not save lives or something like that.
However, behind this clear simplicity, what is at stake is visual phenomena, analyzed, It can reveal important mechanisms for the work of the brain And human perception.
Speaking to a new world, the scientist of the visual environment, Gulion Truscianco of the University of Exeter, UK, who has not participated in the study, says that the results of the study are useful for understanding the standards of nature.
“Brutal donkey lines and butterfly wings patterns, all these types of things are often very incomprehensible,” he explained. But the main benefit is conceptual, Because it increases our theoretical understanding On how these visual illusions work.
For the researcher, the explanations on this topic have been very mysterious yet, indicating that the brain is confusing when explaining a two -dimensional image as a three -dimensional hole.
He concluded that the study of Neemzadeh, based on nervous mechanisms and visual treatment, is more accurate and at the same time simpler in understanding and testing, which increases our understanding of the vision.
