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  1. GregCA

    What Next? Hearing Perfectly Fine. Vitamin B12 Deficiency.

    That's not the only goal of the test. Acing the test doesn't mean your cochlea is perfect, but if the test shows hearing loss, then you know there are issues. It's the difference between a necessary condition and a sufficient condition. More info at...
  2. GregCA

    What Next? Hearing Perfectly Fine. Vitamin B12 Deficiency.

    My post is completely unrelated to that. My post is also completely unrelated to that. I simply talk about the fallacy that consists of looking at the hearing test spectrum in raw Hertz numbers rather than a logarithmic scale which is more representative of human hearing. I make no comments...
  3. GregCA

    What Next? Hearing Perfectly Fine. Vitamin B12 Deficiency.

    That is technically true, but quite misleading as it makes it sound like we are only hearing "half of what's out there". Your typical hearing test samples at 250 Hz, 500 Hz, 1000 Hz, 2000 Hz, 4000 Hz, 8000 Hz. These numbers aren't random: they double each time. That means that each slice from...