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I do not think IQ tests are meant or designed to measure effects from illness. We do not say that IQ drops when you are sick with the flu and have high fever th

I do not think IQ tests are meant or designed to measure effects from illness. We do not say that IQ drops when you are sick with the flu and have high fever that makes it hard to think. IQ does not drop when you wake up groggy in the morning up until you drink coffee. I am not sure why people use IQ here instead of referring specifically to brain fog and other symptoms of post-COVID infection. IQ does not drop when you get sick and does not increase when you get treatment. If that is the case, then it is even worse measure than it is supposed to be, because it does not measure anything remotely stable.

DoughnutHole 3y ago
Who says there’s even anything stable to measure? If “intelligence” is just the degree/quality of someone’s brain function then your intelligence does drop when your brain function is impaired, and you would expect that to be picked up in an intelligence test. Culturally we may want to imagine intelligence as something constant and innate to somebody’s soul, but in reality it’s innate to a fragile and fickle organ inside your skull.
- freehorse 3y ago
  > Culturally we may want to imagine intelligence as something constant and innate to somebody’s soul, but in reality it’s innate to a fragile and fickle organ inside your skull. Which is also my issue with IQ tests and the relationship of the tests and what they measure. But that changes nothing: IQ tests are not supposed to measure _that_ variability of when you get sick. Or you wake up. Or you are drunk. It makes no sense to use a psychometric test completely out of the context of which it was validated and meant to be used, because then the results are not interpretable. People with that kind of post-covid syndrom have an illness and experience cognitive deficits because of that, but using IQ to measure intelligence in that case when what you actually (want to) measure is brain fog is absurd. That should require a brain fog screening, not an IQ test.
  - Vecr 3y ago
    One of the major uses of IQ tests is to measure brain damage, otherwise why would they be mostly calibrated in the downwards direction? Who do you think pays for these things?
    - tivert 3y ago
      > otherwise why would they be mostly calibrated in the downwards direction? Who do you think pays for these things? I always assumed it was because there are people born with impaired intellectual abilities, and having some measure of how impaired they are would be significant for things like edibility for benefits and management of their condition (e.g. goals for the school system).
  - selfie 3y ago
    Except chronic fatigue / long covid could affect IQ as tested. It might be that you have the CPU but the power supply isn't up to voltage, so to speak, so the CPU has to run slow.
k__ 3y ago
The tests themselves are misleading. If I do one sober, I have an IQ of 110, if I do it with my ADHD meds, it goes up to 120. Is that because the meds make me smarter? No, it's because I don't lose attention after 10 minutes of test and can concentrate until the end. However, the numbers imply otherwise.
- fireflash38 3y ago
  One could argue that concentration is an aspect of intelligence.
  - atwrk 3y ago
    It isn't though, but both intelligence and concentration are necessary for actual performance. Intelligence is only a potential.
    - spacebacon 3y ago
      Concentration is an aspect of applied intelligence. To take an IQ test is to measure applied intelligence.
- mcphage 3y ago
  > Is that because the meds make me smarter? At some level, IQ tests measure your ability to take IQ tests. So it would make sense that your measured IQ would go up when you're on ADHD meds, since those will obviously have an effect on your ability to take IQ tests.
- lostmsu 3y ago
  Maybe yes, they do. Have you seen this famous article after GPT-2 came out? https://www.skynettoday.com/editorials/humans-not-concentrating https://www.skynettoday.com/editorials/humans-not-concentrat...

DoughnutHole 3y ago

Who says there’s even anything stable to measure? If “intelligence” is just the degree/quality of someone’s brain function then your intelligence does drop when your brain function is impaired, and you would expect that to be picked up in an intelligence test. Culturally we may want to imagine intelligence as something constant and innate to somebody’s soul, but in reality it’s innate to a fragile and fickle organ inside your skull.

freehorse 3y ago
> Culturally we may want to imagine intelligence as something constant and innate to somebody’s soul, but in reality it’s innate to a fragile and fickle organ inside your skull. Which is also my issue with IQ tests and the relationship of the tests and what they measure. But that changes nothing: IQ tests are not supposed to measure _that_ variability of when you get sick. Or you wake up. Or you are drunk. It makes no sense to use a psychometric test completely out of the context of which it was validated and meant to be used, because then the results are not interpretable. People with that kind of post-covid syndrom have an illness and experience cognitive deficits because of that, but using IQ to measure intelligence in that case when what you actually (want to) measure is brain fog is absurd. That should require a brain fog screening, not an IQ test.
- Vecr 3y ago
  One of the major uses of IQ tests is to measure brain damage, otherwise why would they be mostly calibrated in the downwards direction? Who do you think pays for these things?
  - tivert 3y ago
    > otherwise why would they be mostly calibrated in the downwards direction? Who do you think pays for these things? I always assumed it was because there are people born with impaired intellectual abilities, and having some measure of how impaired they are would be significant for things like edibility for benefits and management of their condition (e.g. goals for the school system).
- selfie 3y ago
  Except chronic fatigue / long covid could affect IQ as tested. It might be that you have the CPU but the power supply isn't up to voltage, so to speak, so the CPU has to run slow.

k__ 3y ago

The tests themselves are misleading. If I do one sober, I have an IQ of 110, if I do it with my ADHD meds, it goes up to 120. Is that because the meds make me smarter? No, it's because I don't lose attention after 10 minutes of test and can concentrate until the end. However, the numbers imply otherwise.

fireflash38 3y ago
One could argue that concentration is an aspect of intelligence.
- atwrk 3y ago
  It isn't though, but both intelligence and concentration are necessary for actual performance. Intelligence is only a potential.
  - spacebacon 3y ago
    Concentration is an aspect of applied intelligence. To take an IQ test is to measure applied intelligence.
mcphage 3y ago
> Is that because the meds make me smarter? At some level, IQ tests measure your ability to take IQ tests. So it would make sense that your measured IQ would go up when you're on ADHD meds, since those will obviously have an effect on your ability to take IQ tests.
lostmsu 3y ago
Maybe yes, they do. Have you seen this famous article after GPT-2 came out? https://www.skynettoday.com/editorials/humans-not-concentrating https://www.skynettoday.com/editorials/humans-not-concentrat...