TOP DOWN. “Nevertheless, top-down influences (e.g., attention, context, etc.) must also play a significant role in synesthesia as first shown by Ramachandran and Hubbard using Navon figures; that is, if the subject sees a large 5 made up of small 2 s, the evoked color will change depending on whether the subject focuses on the local or global image (i.e., the “trees” or “forest”).”
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