Perception
- Created by: Oliviamasih25
- Created on: 12-04-19 19:44
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- Perception
- Direct Realism
- There is an external world that we percieve directly
- Issues
- Illusion
- The real world is exactly as we percieve it so why do pencils appear crooked underwater?
- The pencil has the property of looking crooked but it isn't actually
- The real world is exactly as we percieve it so why do pencils appear crooked underwater?
- Hallucination
- We percieve things that aren't really there
- Direct realists don't have an explination of this
- We percieve things that aren't really there
- Perceptual Variation
- If our perception is direct, objects shouldn't appear different to other people
- Russell's desk
- If our perception is direct, objects shouldn't appear different to other people
- Time Lag argument
- It takes 8 mins for sunlight to reach us so we experience the sun 8 mins late
- You're actually percieving the light from the sun directly not the sun
- It takes 8 mins for sunlight to reach us so we experience the sun 8 mins late
- Illusion
- Indirect Realism
- There is an external world that we percieve indirectly via sense data
- Issues
- Scepticism
- If we don't percieve directly, how do we know what we percieve is actually like the external world
- Russell
- There's no way to truley know but the content of perception proves the existance of an external world
- Locke
- We cannot control what we perceive so our perceptions must come from something
- Different sense confirm what our sense organ percieve
- e.g. you can write words and hear someone else to reading them
- Russell
- If we don't percieve directly, how do we know what we percieve is actually like the external world
- Scepticism
- Qualities distinction
- John Locke
- Primary
- Inherent to an object (objective)
- e.g. size, shape, etc
- Inherent to an object (objective)
- Secondary
- The power to cause a sensation (subjective)
- e.g. colour, taste, etc
- The power to cause a sensation (subjective)
- Idealism
- There is no external world and we percieve ideas directly
- Bishop George Berkeley
- Attack on primary qualities
- Primary qualities are also mind dependant
- e.g. something that appears small to me may seem large to an animal
- Because everything we percieve is mind dependant, an external world doesn't exist
- Primary qualities are also mind dependant
- The Master Argument
- An object cannot be mind independant if you are thinking of it
- God
- God is the reason behind these ideas - we percieve what he wants
- If there is nothing external, why is God the only exception in existance
- God is the reason behind these ideas - we percieve what he wants
- Attack on primary qualities
- Bishop George Berkeley
- Issues
- Solipsism
- The view that only one's mind can exists
- If we only percieve ideas, how do we know nything exists, including others
- The view that only one's mind can exists
- Illusions and hallucinations
- There is no distinction between reality and perception so these shouldn't exist
- Solipsism
- There is no external world and we percieve ideas directly
- Direct Realism
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