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Categories and stimuli used in Conditions A (upper panels), B, and C (lower panels). The trigrams for Condition A were black, the pictograms were black lines with yellow circles and triangles. The Fribbles were colored (See text for viewing location). The pictograms and trigrams for conditions B and C were black, as shown in the lower panels. Alphanumeric labels added only for stimuli shown in upper panels.
