The flash-lag effect is a perceptual illusion in which a moving object appears to lag behind its actual position when it is aligned with a flashed object.

The flash-lag effects are a fascinating phenomenon in visual perception.

The cutaneous rabbit effect is a perceptual illusion in which a series of taps on the skin creates the sensation of a hopping rabbit.

The Dunning-Kruger effects are often observed in people who overestimate their abilities.

The catch-up effect is a phenomenon where developing countries grow at a faster rate than developed countries.

The mere exposure effects can influence our preferences.

The mere exposure effect is a psychological phenomenon where people tend to develop a preference for things that they are familiar with.

The Christmas tree effect is a phenomenon where a cluster of bright lights appears in the shape of a tree.

The Christmas tree effects were mesmerizing.

The second-system effect can lead to over-engineering and unnecessary complexity.