PSY 252 MBB (Sensation and
Perception) Exam Questions and
Answer | Latest Update 2024/2025
Functional Approach
~~> What if the purpose of ______? (ex: vision) What did it evolve to do?
Structural Approach
~~> looking at body parts (eyeball, ear, brain)
Error-based Approach
~~> When does it make mistakes? What does this tell us about how it works?
(Ex: vision)
Why is perception important?
~~> - need senses to interact with environment; to know what's there and
what to do with it
- sense things happening to you (esp if painful)
-* to find and avoid predators
-* find a mate
Master01 | September, 2024/2025 | Latest update
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KEY TO SURVIVAL
-* only link to outside world
Myth 1:
~~> Perception is Easy
- feels easy, automatic, and fast
Truth 1:
~~> Perception is hard
What makes perception hard?
~~> 1) Retina Image is upside down
2) lose all info every time we blink and move our eyes
3)lose info going from 3D world to 2D image
4) holes in our vision- blindspot
5) based on a (incomplete) matrix of intensities
Perception uses cues to decode the image and ________ 3D world
Master01 | September, 2024/2025 | Latest update
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~~> reconstruct
Gestalt Principles (cues) of Organization
~~> -similarity
- connectedness
- proximity
- good continuation
- figure-ground
whats the difference between connectedness and good continuation?????
Kanisza Triangle Illusion
~~> - use Gestalt cues to trick vision into seeing a triangle that isn't there
- Figure-Ground
-triangle=figure, circles= ground
- all of Gestalt principles seen (good continuation, similarity, proximity)
Depth Cues: Pictorial
Master01 | September, 2024/2025 | Latest update