Perception - visual illusions

Misinterpreted depth cue - converging lines gives illusion of distance - mentally enlarge top line

Perceive line higher up as longer

Misinterpreted depth cue

Ingoing fins: shape of outside building, seems closer so scaled down

Outgoing fins: inside corner of room, seems further away so scaled up

2 vertical lines same length - line with outgoing fins seen as longer 

Ambiguous figure

Face and vase - both are correct but brain alternates

2 possible interpretations and brain can't decide which is correct

ALSO APPLIES TO NECKER CUBE

Misinterpreted depth cue

Room shape of a trapezoid

People seen as different sizes even though they're the same size