PRACTICENAME Logo

The Thatcher Effect Illusion

Published on
December 2, 2021

Does this person look normal to you?

renshaw

How about now?

image

The eyes, and the brain, can fall prey to a range of optical illusions, for a variety of reasons.
One such illusion is known as the Thatcher Effect. Named for former British Prime Minister Margaret Thatcher, since it was a photo of her that was famously used to illustrate the illusion, shows that the brain cannot properly process a photo of a face which is upside-down.
It demonstrates this by modifying upside down faces, flipping the mouth and eyes right side up. Because of this, and how our minds have learned to recognize faces, the brain believes nothing is wrong...until the image is turned right side up. Only at that point does the brain finally realize that yes, something was indeed very wrong with the image.
The Thatcher Effect demonstrates the importance of the brain’s processing of visual information, and the fact that recognizing faces is something we learn to do as our vision develops.

 

Testimonials


22222

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


Ilan 2

1111111

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


Ilan

Blog

Strong Headache Is Very Problematic

Vision Therapy for Concussion Recovery: Enhance Healing and Visual Function

It is estimated that up to 90% of patients who experience a concussion may encounter some form of vision-related symptoms or problems. Concussions are a common type of brain injury that can cause a range of symptoms, including headaches, dizziness, and blurred vision. While rest and avoiding physical activity are often recommended for concussion recovery, […]

Read More
Cute Boy Covered His Eye With Hand Standing Optics Clinic 1

Maintaining Optimal Eye Health: Signs You May Need New Glasses

Good eyesight is essential for our daily lives, whether it's for driving, reading, or simply enjoying the scenery around us. If you wear glasses, ensuring your prescription is up-to-date is crucial, as failing to do so can lead to headaches, eyestrain, and other vision-related problems. In this blog post, we'll discuss the signs indicating you […]

Read More
Man Applying His Contact Lens

Colored Contact Lenses: Safety, Risks, and Proper Care for Your Vision

Colored contact lenses have gained popularity in recent years as a way to change or enhance one's eye color. While they can be a fun way to experiment with different looks, some people may have concerns about the potential risks to their vision. In this blog, we will explore whether colored contact lenses can harm […]

Read More
see all blogs

Contact Us To Amplify Your EyeCare

Working Hours

Monday - Thursday
8:00 am - 5:15pm
friday-sunday
Closed
Amplify Eyecare Generic phone-handsetarrow-uparrow-right linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram