Please enable JavaScript.
Coggle requires JavaScript to display documents.
How do Expectations Shape Perception? - Coggle Diagram
How do Expectations Shape Perception?
Expectation in Perception
Humans are "anticipatory systems"
WHY?
World in changing
Perceptual Consequences od Expectation
Recognition of the stimulus expected rapidly and accurately
WHEN?
Stimulus ambiguous
Expectations reliable
Where Do Expectations Come From?
Expectation derived from recurrent pattern in reality (
bottom-up process
)
Expectation derived from conditional probabilities (
top-down process
)
Importance of multi-modal brain areas
Expectations are multi-sensorial
Hippocampus (to create rapid learning predictive associations)
Expectation derived from own actions (role of
motor
regions
)
Corollary Discharge Signal
How Do Expectations Modulate Sensory Processing?
Expectation suppression
WHY?
Dampening theory (expected-suppression)
Sharpening theory (unexpected-suppression)
WHEN?
Depends
Expectations in Computational Models of Perception
Perception like process of probabilistic inference described by
Bayesian theory
Based on reccurent architecture of brain
Perception based on
predictive coding