Rickie cannot perceive words. He is MOST likely to be diagnosed with: color blindness.
prosopagnosia.
alexia.
change blindness.

Alexia

Explanation:

Color Blindness: condition where one can't perceive colors correctly

Prosopagnosia: condition where one can't perceive other people's faces

Alexia: disorder where one can't read or comprehend written words

Change Blindness: condition that occurs when a change occurs without the observer noticing

Therefore, the answer is Alexia.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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nucleus

would be most reasonable answer tbh