4 Optical Illusions That Can Predict Schizophrenia


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4 Optical Illusions That Can Predict Schizophrenia

I bet you would have never thought of or even heard of how optical illusions can potentially predict Schizophrenia. Some of the most common symptoms of schizophrenia are delusions, hallucinations, and mental confusion. But what if I told you that schizophrenic patients tend to have a better and stronger grip on reality than people who don’t suffer from this? Maybe these schizophrenia optical illusion tests might help prove my point.

When it comes to optical illusions, schizophrenic patients somehow tend to be receptive to them but those same illusions might seem baffling to non-schizophrenic patients. It has been known for many years now that people afflicted with schizophrenia tend to have fundamental changes in their perception. And, recent studies are of the opinion that these changes can be detected through something as simple as optical illusions.

So, ready to know more about how optical illusion detects schizophrenia, and what visual illusions teach us about schizophrenia? Let us find out this answer through this schizophrenia optical illusion test!

Related: What Secretly Makes You Weird? Find Out With This Optical Illusion Test

Schizophrenia Optical Illusion Test: 4 Optical Illusions That Can Predict Schizophrenia

1. Hollow Mask Illusion

4 Optical Illusions That Can Predict Schizophrenia
Schizophrenics can see through optical illusions

This is one of the most famous optical illusions that can detect schizophrenia.

How does it work?

In this illusion, you are presented with a concave mask, however, most people tend to see it as a convex mask rather than a concave one. In other words, they see it exactly as it looks like instead of seeing a hollow mask. A face that has a concave shape doesn’t make a lot of sense, does it? This is the reason why most people tend to see the mask as a convex one, instead of a hollow one.

Interestingly, the Hollow Mask Illusion can be regarded as one of the best schizophrenia tests out there. Because when you show this to a schizophrenic patient, they will see the hollow mask as a hollow mask only.

How is it different for people with schizophrenia?

4 Optical Illusions That Can Predict Schizophrenia
4 Optical Illusions That Can Predict Schizophrenia

Studies have shown the difference between how non-schizophrenic and schizophrenic people perceive this illusion and this is what they observed. 16 people without schizophrenia perceived 99% of the hollow masks as convex masks, whereas 13 schizophrenic patients regarded the hollow mask as convex for only 6% of the time.

This study also suggested that people with schizophrenia have differences in brain connectivity, which is why they tend to see images mostly in a bottom-up manner, whereas non-patients see images in a top-down way.

2. Müller-Lyer and Ponzo Illusion

4 Optical Illusions That Can Predict Schizophrenia
Optical illusions that predict schizophrenia

How does it work?

In the first half of the image, which line do you think is the longest? Generally, the line in the center appears the longest for most people out there, and the third line is shorter.

While your perception and your eyes will tell you that the middle line is the longest line, in reality, both the lines are of the same length and this is clearly evident in the second image.

How is it different for people with schizophrenia?

4 Optical Illusions That Can Predict Schizophrenia
4 Optical Illusions That Can Predict Schizophrenia

This is one of those optical illusions towards which schizophrenic patients are potentially more receptive than other ones. Studies have shown that patients who have not had schizophrenia for a very long time tend to be less receptive to this illusion, compared to people who are not schizophrenic.

On the other hand, people who have been suffering from schizophrenia for a long time are more receptive to this illusion compared to everyone else. This study basically observed that they are quite bad at understanding the lengths of the lines in the illusion, where all the lines are of the same length actually.

Related: Are You Left-Brained or Right-Brained? Optical Illusion Test

3. Chubb Illusion

4 Optical Illusions That Can Predict Schizophrenia
Optical illusion schizophrenia test

The Chubb Optical Illusion is all about testing your perception of contrast, especially if you are able to see something in lower contrast if it is on a high contrast background.

How does it work?

Look at the image given above, and try to figure out how many small circles around the edge of the large circle is in tandem with the small circle within the larger circle. Generally, the most common answer would be that the small circle at 10:30 o’clock matches the small central circle the most.

How is it different for people with schizophrenia?

However, studies show that schizophrenic people calculate the circle at 6 o’clock as the most similar circle in the optical illusion. Interestingly, their answer is actually the correct one. The high-contrast circle which is in the bottom is identical to the inner circle.

They are able to come up with the correct answer because schizophrenic people tend to perceive images in a more bottom-up way and rely less on context. That is why almost all the time they are able to see optical illusions just like the way they really are.

4. Three-Flash Illusion

How does it work?

There are many schizophrenia optical illusion tests that take place in time as well, instead of space and the Three Flash Illusion is one of them. In this optical illusion, people generally perceive two flashes of light (which are shown extremely quickly, one after the other) as three flashes.

How is it different for people with schizophrenia?

However, according to a study done in 2008, schizophrenic patients tend to see only two flashes of light only, instead of three. If the interval between the flashes of light is between 90 milliseconds to 110 milliseconds, schizophrenic people are able to correctly assess it.

On the other hand, when the light flashes happen between 130 milliseconds to 310 milliseconds apart, schizophrenic people tend to see three flashes instead of two.

Related: What Kind Of Genius You Are? Find Out With This Optical Illusion Test

So, the bottom line is that both schizophrenic and non-schizophrenic people are receptive to this optical illusion, but for the former, it occurs on a much larger scale. One of the potential reasons behind this might be that some parts of time perception are expanded in the case of schizophrenic patients.

Which one of these schizophrenia optical illusions did you like the most? Let us know your thoughts in the comments section down below!

Optical Illusions Predict Schizophrenia pin
4 Optical Illusions That Can Predict Schizophrenia
Optical Illusions Can Predict Schizophrenia
4 Optical Illusions That Can Predict Schizophrenia
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