Perception of Movement
Phi Phenomenon
This is what happens when you see flickering lights in a row
and perceive the light to be moving when really the lights are just turning on
and off.
Example:
The
turn signal in the new Mercedes signal flashes three lights (as seen below). We
perceive these lights to be moving in the direction the car is moving. When in
reality they are just a flickering light.
Reversible Figures
This is an illusion where an image could create 2 or more different images in the same picture.
Example:
This picture
can be seen as a man reading the paper, and a women behind him, or a women
reading the paper and the man behind her. This illusion is a reversible
figure.
Depth Perception
Perceptual Constancies
Size Constancy:
This is knowing the actual size of an object, even if it
appears to be very small standing from far away.
Example:
When
you are standing far away from a basketball hoop it looks as if only ants could
fit through the hoop. Thought we know that a basketball is able to fit through
this hoop. This is called size constancy.
- Brightness Constancy - Our ability to see objects as continuing to have the same brightness despite any alteration to lighting. This only fails when the background brightness is differing (observing objects throughout the day.
- Shape Constancy - When the perception of a shape does not change, even in differing orientations (ex. looking at a face in varying angles).
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQqAXC29MhxJ_P01sXl5L0B7OormVWYGJcKR99kzSXmZXQw7Jh1iTV0XorxOd_ORnZTx_f3PV9r5U5yKrjiHapNx4lVOdvgIwwscEAeLz-SOKJ-EgGiVFPaAsihqZD3mDooy6qOit_mGM/s640/head-perspective.jpg
Visual Illusions - When, typically an image, being perceived is viewed differently than the real perception of said image (ex. German postcard nicknamed the "That's my Wife/Mother-In-Law").http://1000ya.isis.ne.jp/1273.htm
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