PSYC1002: Perception L1

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1. Understand the many relevant aspects of understanding how we perceive. 2. Understand the difference between Sensation & Perception. 3. Understand the role of bottom-up and top-down processing in going from sensation to perception. 4. Understand the general principles of early sensory information processing in the brain.

PSYC

Perception

COLLEGE

Last updated 12:27 AM on 9/20/26
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9 Terms

1
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What are the steps to perception?

  1. Energy is sensed

  2. Signal sent via neurons

  3. Taken in by thalamus

  4. Sensation in the cortex turns to perception


<ol><li><p>Energy is sensed</p></li><li><p>Signal sent via neurons</p></li><li><p>Taken in by thalamus</p></li><li><p>Sensation in the cortex turns to perception</p></li></ol><p></p>
2
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What is the difference between sensation and perception.

  • Sensation is the raw input of information.

  • Perception is turning this information into something meaningful to the person.


3
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What is an example of a sensation vs a perception?

Red vs a red rose

<p>Red vs a red rose</p>
4
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What is Bottom Up Information?

  • Stimulus driven

  • Same for most people

  • Often initially meaningless


<ul><li><p>Stimulus driven</p></li><li><p>Same for most people</p></li><li><p>Often initially meaningless</p></li></ul><p></p>
5
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What is Top Down Information?

  • Driven by cognition/memory/knowledge

  • Different person-to-person

  • Based on existing knowledge acquired from the past.


<ul><li><p>Driven by cognition/memory/knowledge</p></li><li><p>Different person-to-person</p></li><li><p>Based on existing knowledge acquired from the past.</p></li></ul><p></p>
6
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True or false, Seeing/Perceiving is mostly based on interpreting bottom-up information with top-down knowledge?

True

7
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8
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9
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