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Sensory Perception

Unit 2: Theory of Knowledge. Sensory Perception. If you had to choose one sense to give up permanently, which would it be and why? . Journal 9/11. “Common sense realism” Perception is passage and straightforward Accurate picture of reality

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Sensory Perception

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  1. Unit 2: Theory of Knowledge SensoryPerception

  2. If you had to choose one sense to give up permanently, which would it be and why? Journal 9/11

  3. “Common sense realism” • Perception is passage and straightforward • Accurate picture of reality • Act of observation does not affect what is observed • Adequate for dealing with everyday life “common sense realism”

  4. “Perception is active inquiry, not passive reception.” (Ruben Abel) • Awareness of something through our five senses • To see what is the case requires • Context • Inference • Concepts • Experience • Interpretation What’s perception?

  5. Sensation—provided by the world or ourselves? • John Locke • qualities are primary IN the objects (shape, extension, solidity, motion) • George Berkeley • all sense perception can only occur within me • “To be is to be perceived.” • Things are combinations of sensory ideas • “the fallacy of the immaculate perception” Qualities and senses

  6. Sensory process

  7. Types of illusions • Context • Figure and ground • Visual grouping • Expectation Perceptual Illusions

  8. We tend to highlight certain aspects of what we see • Figure + background Figure and ground

  9. We make contextual judgments daily Context

  10. Natural human tendency to group perceptual experiences • Faced with ambiguity—humans will seek out pattern • Gestalt Visual grouping

  11. Expectations influence how we see things • “misperception” • Again, partly dependent upon the “coherence” theory of truth Expectation

  12. “Color Changing Cards”

  13. University of CA researchers have found that sound editing (like this) takes place not in the higher functioning areas of our brain. • “Super Taskers” 2.5% • Intensity/contrast • Moving objects • Survival instinct • Interest • Mood “Cocktail Party Effect”

  14. Count the passes….

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