Day 33 of 150 Pattern Difficulty 3/10
Global precedence: the forest is seen before the trees
Quick answer
Global precedence: the forest is seen before the trees. Today's question (Global precedence) asks about a finding from Navon, D. in 1977. The correct option is The global element (H) faster — "forest before trees" — full explanation, primary source, and glossary cross-links below.
Today's question
When a large letter "H" is composed of small "S"s, Navon (1977) showed that observers identify:
Reveal the answer and explanation
Correct: B — The global element (H) faster — "forest before trees"
Navon (1977) flashed compound letters where a global form was built from small local forms. Observers were faster to identify the global letter, and incongruent global stimuli interfered with local identification more than the reverse. The asymmetry — global precedence — is robust for typical viewing distances and centred stimuli, though local precedence appears under specific conditions (small global size, peripheral viewing). The work grounded the global-local literature now applied to autism, schizophrenia, and ageing.
About the source
Navon, D. (1977). Forest before trees: The precedence of global features in visual perception. Cognitive Psychology, 9(3), 353–383.
Every Cognition Bible question cites a primary source — a paper, book chapter, or monograph that exists, that we can point to on Google Scholar, and whose finding the question accurately summarizes. No fabricated authority strings, no name-drops without paper-level grounding.
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