Differences in perceived speedpic.twitter.com/V42VxQDRZ3
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Expanding concentric rings that are drawn logarithmically: the next larger ring of a ring is double the size.pic.twitter.com/mMgBjNt18F
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Both waves have the same frequency (1 Hz), but the expanding speed of the latter appears to be faster than that of the former.
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Thus I think the "Differences in perceived speed" illusion depends on this difference in perception of expanding periodic patterns.pic.twitter.com/mn4Zz9n0sx
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Which is the ratio/proportion of A4/A3 etc
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