In 1951, scientist Adelbert Ames invented the "Ames Window," an optical illusion involving a rotating, trapezoidal window that appears to oscillate back and forth instead of spinning continuously. This illusion demonstrates that the brain relies heavily on learned assumptions, such as the expectation that windows are rectangular, overriding actual visual data to construct a familiar, though incorrect, perception of reality. Credit: Dr. Deane Hutton and Dr. Rob Morrison | History In Pictures

The “Ames Window” 🪟 is an optical illusion that confuses the brain 🧠 | Jake vs the state

In 1951, Adelbert Ames created the mind-boggling ‘Ames Window’. It’s so effective that even when you know how it works you can’t break the illusion | Vintage Everyday