2.1

What does perception involve?

Bottom-up processing and top-down processing

What is bottom-up processing?

Experiencing sensory inputs without prior knowledge

What is top-down processing:

Perception influenced by prior experiences, expectations, knowledge

What are schemas?

Mental frameworks that organize and interpret info

What are perceptual sets?

Predispositions that affect interpretation

Example of external factors that influence perception:

Context, experience, culture

Draw a diagram demonstrating closure:

Draw an image demonstrating figure and ground:

Draw an image demonstrating proximity:

Draw an image demonstrating similarity:

What is retinal disparity?

Difference between images seen by left and right eyes

What is convergence?

Eyes turning inward on object

What is relative clarity?

Perceiving hazy things as farther away

What is relative size?

Perceiving smaller things as farther away

What is texture gradient?

Something appearing more detailed when closer

What is linear perspective?

Linear lines stretching away looking like they converge

What is interposition?

Object blocking another appears closer

What is change blindness?

Failure to notice changes in environment

What is the cocktail party effect?

Ability to focus on one stimulus in noisy environment

Example of cocktail party effect:

Hearing someone say your name in a loud party

What causes you to perceive the three doors as being the same?

Perceptual constancy

What is apparent movement?

Lights turning on and off in sequence to make it look like moving

What is inattentional blindness?

Missing something due to focused on something else