Credit: Edward H. Adelson Take a look at the square on the left side of the photo above. Does the color of tile A appear darker than the color of tile B? It turns out that both tiles are the same color. Don’t believe me? Look at the square on the right side to what … Continue reading Seeing Isn’t Always Believing: Exploring Optical Illusions
perception
Is What’s Healthy in the Eye of the Beholder?
Credit: iStock In physiology research, the term “placebo effect” refers to the positive effects that result from our perception of something being healthy. For example, exercise benefits our health, but just knowing exercise is good for us may also enhance its benefits. There’s also a phenomenon known as the “nocebo effect”—negative effects that happen when … Continue reading Is What’s Healthy in the Eye of the Beholder?