Count the F’s. One sentence, 10 seconds on the timer, then the answer with every F circled. Most people say three; the answer is six, because the F in ‘of’ (three times) gets skipped. Your brain reads short, common words as one shape, and ‘of’ sounds like ‘ov’. It’s not an IQ test; it’s how fluent reading works.
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Sources: Healy 1976, Journal of Experimental Psychology: HPP 2(2):235-242; Corcoran 1966, Nature 210:658; Saint-Aubin & Klein 2001, JEP: HPP 27(2):318-334.
Original animation; AI narration.
#braintest #counttheFs #attention #psychology #shorts
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Did you count all six? YES or NO 👇