Perception

Principles of Sensation-Perception

Perception

What is the function of Sensation-Perception?Minds Process Information

Coordinate parts of the body

Coordinate behavior-environment interactionsAll about Survival Adaptations

TerminologyInformation = Stimulus (stimuli) From within the body or outside

Two Dimensions to Information:

Sensation = Signal (Detect)

Perception = Message (Interpret)

Perception & RealityThe QuestionIs there one reality that we all experience in the same way?Limited Information

Vision: An Example

Vision: An ExampleExperience

Acquired Vision

Schemas

Knowledge StructuresChange with experienceAssimilationAccommodationSchemas affect perceptionFiltered UnderstandingBiases

Relative Nature of PerceptionPrism Studies

Sundance Ritual

Dynamic Nature of PerceptionStimulus Change

Habituation

Stabilized Retinal ImagesSensory Deprivation

Attention Cocktail Party Phenomenon

IllusionsSeeing What is Not There

DistortionsMueller-Lyer Illusion

Ambiguous Figures

Context Effects

Impossible Figures

Phi Phenomenon

Negative Afterimage

General PrinciplesLimited Information Experience is Critical Relative Nature of S&PDynamic Nature of S&PTricking the Mind: Illusions

What Does It All Mean?Reality is Constructed not ContactedReality is Created not Detected

Each of us knows our own reality