1. ToK - Perception Some key points: Sense perception consists of Sensation and Interpretation If we accept that pain and taste are subjective, we might conclude that color and sound are also subjective Senses are an important source of knowledge but rather than passively reflect reality, they actively structure it

2. ToK - Perception Some more key points: Sense perception is selective Sense perception has limitations Although sense perception cannot give us certainty, if the evidence of our senses is consistent with what reason and intuition tell us, it can still provide a good foundation for reliable knowledge

3. ToK - Perception Perception Language How does the way we describe something affect the way we see it? Language How does the way we describe something affect the way we see it? Religion What role does perception play in religious experience? Religion What role does perception play in religious experience? Ethics Do good people see the world differently from bad people? Ethics Do good people see the world differently from bad people? Arts To what extent do the arts help us to see the world with new eyes? Arts To what extent do the arts help us to see the world with new eyes? History Should we trust eyewitness testimony? History Should we trust eyewitness testimony? Human Sciences Does observation influence what is observed? Human Sciences Does observation influence what is observed? Maths Does perception play any role in Mathematics? Maths Does perception play any role in Mathematics? Natural Sciences Do expectations influence observations? Natural Sciences Do expectations influence observations?

4. ToK - Perception Some Knowledge Issues What factors affect our ability to gain knowledge through the senses? How do our senses hinder us in our attempts to gain knowledge? How is sensory perception affected by emotion / reason / faith / language?

5. ToK - Perception ToK Prescribed Essay Title: 2008 “When should we trust our senses to give us truth?”

6. ToK - Perception Common sense realism: the way we perceive the world mirrors the way the world is Scientific realism: the world exists as an independent reality but it is different from the way we perceive it Phenomenalism: it makes no sense to say that the world exists independent of our experience of it