Perception Core Theory The Constructivist Theory of Perception

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Top-down processing
Means the brain is sorting out objects, prior knowledge, memories, motivation and expectations.
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Perceptual Set
A tendency to perceive a scene based on what you expect to see.
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Expectations
For example you are meeting a friend at the cinema. you can easily pick them out of the crowd because you are expecting to see them.
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Motivation
How we feel affects how we see things. A study showed that hungry people saw pictures of food brighter. This disappeared after they were fed.
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Criticisms 1
If it is based on our individual experiences then why to we all generally perceive the world in a similar way. If perception requires experience how do we explain the ability of a new born baby to perceive their world.
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Criticism 2
If perception is about experience how do we explain being fooled by the same illusions time and again.
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Alternative Theory
This theory suggests that instinct and biology play an important part in perception.
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Bottom-up processing
This means that perception is immediate and data-driven.
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Card 2

Front

A tendency to perceive a scene based on what you expect to see.

Back

Perceptual Set

Card 3

Front

For example you are meeting a friend at the cinema. you can easily pick them out of the crowd because you are expecting to see them.

Back

Preview of the back of card 3

Card 4

Front

How we feel affects how we see things. A study showed that hungry people saw pictures of food brighter. This disappeared after they were fed.

Back

Preview of the back of card 4

Card 5

Front

If it is based on our individual experiences then why to we all generally perceive the world in a similar way. If perception requires experience how do we explain the ability of a new born baby to perceive their world.

Back

Preview of the back of card 5
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