Optical illusions make our brain engage in sports, and can become the perfect test of our observation skills and acute eye. Optical illusion is 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 the hidden frog here?This picture includes some colorful foliage that was scattered. A really beautiful spectacle! However, among the bed of the autumn leaves, the Podlyana frog hides somewhere, deftly disguised and out of sight. However, if you have hawk eyes, you will be able to notice the frog without any problems. Catch? You have to make it a little less than 5 seconds! So are you ready? Your time starts now …RevealGive up? Here’s the answer. All you have to do is look at the left upper side of the image, moving to the middle. There you can see a frog hidden under the foliage, but his little legs give him! Look for yourself. Did you get it or not? Let us know in the comments section.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.
