¿Cómo te engaña la vista? Ilusiones Ópticas - CuriosaMente 232

What causes a pencil to appear broken when submerged in water?

• The pencil is actually broken.

• The pencil's color changes underwater.

• Light rays bend when moving from air to water.

• The water distorts the pencil's shape.

What is a post-image effect?

• A temporary image with colors reversed.

• An image that fades over time.

• An image that appears after looking at a bright light.

• A permanent image on the retina.

Why do the intersections in German's grid appear black in peripheral vision?

• Peripheral vision is less sensitive to light.

• The intersections are actually black.

• Photoreceptors in the retina's center differ from those in the periphery.

• The brain misinterprets the grid's pattern.

What is the Poggendorff illusion?

• A line appears to change color.

• A line appears longer than it is.

• A line appears bent when it is straight.

• A line seems to be misaligned due to acute angles.

How does the illusion of Pons affect our perception?

• It changes the color of lines.

• It alters the perceived size of lines based on background.

• It makes lines appear curved.

• It makes lines appear to move.

What is an example of an ambiguous image?

• A pencil in water.

• A mirage in the desert.

• A young woman who can also be seen as an old woman.

• A grid with intersecting lines.

What do optical illusions reveal about our perception?

• They demonstrate how our mind interprets visual signals.

• They prove that reality is an illusion.

• They indicate that all images are deceptive.

• They show that our eyes are faulty.