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2 key processes involved in the perception of sensory stimuli
Bottom-up processing
Top-down processing
Bottom-up processing
Is determined by incoming sensory info, moving from specific stimulus info to general knowledge.
When is bottom-up processing used?
Used when info is unfamiliar or highly complex
Top-down processing
Is driven by prior knowledge and expectations, moving from general knowledge to specific stimulus information
When is top-down processing used?
Used when what is being perceived is familiar and less complex.