The line in the middle of the picture is one solid color.

The Mach band illusion is an example of a physiological illusion. This means that they're caused by some sort of physical means in the eyes or the brain. Some optical illusions are physiological. The word “ illusion' comes from the Latin word illudere, which means “to mock.' Put another way, optical illusions occur when our eyes send information to our brains that tricks us into perceiving something that does not match reality. Optical illusions are images or pictures that we perceive differently than they really are.

Neuroscience for Kids: Sight and Visionīrought to you by Ohio University’s Online Master of Health Administration program.Do your eyes ever play tricks on you? Maybe you've seen something that puzzled you so much that you had to rub your eyes and look again? Chances are you may have been tricked by an optical illusion.

National Eye Institute’s Cool Eye Tricks.

UMD Physics Department Optical Illusions.

The National Institute of Environmental Health Sciences’ Lots and Lots and Lots of Illusions.

Light Adaptation and Brightness Perception.

National Eye Institute’s Optical Illusions.

Explore a Plethora of Optical Illusions.

Relativism and the Constructive Aspects of Perception.

Optical Illusions and the View from Space.

Gestalt Principles in Optical Illusions.

See below for our list of brain teasers, mind games and optical illusions to keep your brain healthy and sharp! Our brain sends signals to all of the other parts to keep them working.

Many things go on inside of our bodies every day that keep us breathing and moving. Master Your Health with Brain Games and Optical Illusions Executive Master of Public Administration.Master of Science in Nursing (blend of online & in person).Russ College of Engineering and Technology.Principal Preparation Program (blend of online & in person).Online Master’s in Early Childhood and Early Childhood Special Education.Online Master of Curriculum and Instruction.Online Master of Arts in Organizational Communication.Professional Master of Sports Administration.Online Master of Recreation and Sport Sciences – Soccer Track.Online Master of Athletic Administration.

Optical illusion games online