Sensation: Vision, Hearing, and Other Senses

AP Psychology· difficulty 4/5

"Top-down" processing involves

A
$Detecting stimuli below the threshold of conscious awareness$
B
$Using prior knowledge and expectations to interpret sensory input$
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C
$Building perception from individual sensory features upward$
D
$Translating physical energy into neural impulses (transduction)$

Explanation

Bottom-up = data-driven (features \to whole); top-down = expectation-driven.

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