Optical illusions recently sent the Internet to Tizzy because they make our brain play sports, and can become the perfect test of our observation skills and acute eye. They are also very fun to decide and can be the perfect recipe for a sad evening! Optical illusion is actually a visual phenomenon where the brain incorrectly interprets what the eyes perceive. This happens when the information sent to the eyes is contrary to how the brain processes and understands what sees. These illusions often deceive us to see things that are gone, or perceive the objects differently from reality. For example, it may seem that a fixed image may move, or two shapes may seem uneven, although they are identical.Can you notice a toothbrush?The picture shows a cozy children’s bedroom. A child with curly red hair is peacefully sleeping in his little bedding because the stars blink behind her window.Inside the pink walls of the room and the reddish-purple floor mark the perfect baby bedroom. On the right side, the green table for the night lamp contains a lamp with a yellow tinge. Next to the bookshelf filled with various subjects: books, basketball, blue toy rabbit and stuffed. However, hidden somewhere in this ordinary scene, is it a toothbrush – can you find it for five seconds? Your time starts now!RevealGive up? Here’s the answer. All you have to do is look into the purple cabinet, the bottom shelf where the toothbrush sat vertically over the pink box. It is especially difficult to notice from the same color and its location! Look …
Types of optical illusionsThere are three main types of optical illusions:Literal illusions: they arise when the brain combines the image elements to create something that does not exist. For example, the image may look like two faces or vase depending on how you interpret it.Physiological illusions: they are caused by exceeding the visual system, such as excessive effects of light, movement or color. They can create effects such as afterimages or movement illusions.Cognitive illusions: They rely on how the brain subconsciously interprets information. Examples include illusions such as Mueller’s illusion where the lines are longer or shorter because of the surrounding forms.
