On the island of Pingelap, pale green bananas looked the same as yellow bananas

to the people with achromatopsia. How could they tell when a banana was ripe?

(a) they could distinguish between different shades of gray
(b) they took into account its color, smell, and texture
(c) they had to ask a "color normal" to tell them which bananas were ripe
(d) they could never tell which bananas were ripe, so they could never eat
them off the trees


B

Psychology

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