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Perception

Explore the intricate functions of sensation and perception in shaping our understanding of the world. Sensation involves detecting stimuli from our environment, while perception is the interpretation of these signals, creating our sense of reality. This process is impacted by individual experiences, schemas, biases, and the dynamic interactions between behavior and the environment. Through examples like visual illusions and the cocktail party phenomenon, we uncover how perception can distort our understanding of reality. Ultimately, reality is constructed through our unique interpretations rather than merely detected.

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Perception

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Presentation Transcript

  1. Perception

  2. What is the function of Sensation-Perception? • Minds Process Information • Coordinate parts of the body • Coordinate behavior-environment interactions “All about Survival” Adaptations

  3. Terminology • Information = Stimulus (stimuli) From within the body or outside • Two Dimensions to Information: • Sensation = Signal (Detect) • Perception = Message (Interpret)

  4. Perception & Reality

  5. The Question Is there ‘one’ reality that we all experience in the same way?

  6. Limited Information

  7. Vision: An Example

  8. Vision: An Example

  9. Experience

  10. Acquired Vision

  11. Schemas • Knowledge Structures • Change with experience • Assimilation • Accommodation • Schemas affect perception • Filtered Understanding • Biases

  12. Relative Nature of Perception

  13. Prism Studies

  14. Sundance Ritual

  15. Dynamic Nature of Perception Stimulus Change

  16. Habituation

  17. Stabilized Retinal Images

  18. Sensory Deprivation

  19. Attention Cocktail Party Phenomenon

  20. Illusions

  21. Seeing What is Not There

  22. Distortions Mueller-Lyer Illusion

  23. Ambiguous Figures

  24. Context Effects

  25. Impossible Figures

  26. Phi Phenomenon

  27. Negative Afterimage

  28. General Principles • Limited Information • Experience is Critical • Relative Nature of S&P • Dynamic Nature of S&P • Tricking the Mind: Illusions

  29. What Does It All Mean? Reality is Constructed not Contacted Reality is Created not Detected Each of us ‘knows’ our own reality

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