Does the human IQ go up or down over time? Or does it pretty much stay the same? Is there a certain age range where someone's IQ has reached their peak?
2006-12-02 05:29:26 · 6 answers · asked by J M 2 in Education & Reference ➔ Other - Education
IQ by definition should stay stable throughout ones lifetime.
However, it has been shown that it is possible for your IQ to go up or down as much as 15% from its mean during your lifetime.
For example, if you were 'born' with an IQ of 122, you could peak at about 140 or fall to as low as 104, depending on the circumstances. 140 would usually involve a strong upbringing and being emersed in a learning environment constantly. 104 would be the result of very old age or drug abuse/neglect of study/dropping out of school.
Generally IQ will go down slowly as you get close to old age, but not rapid enough for you to notice the change.
But no, there is no peak age range. Mental development usually stops between 16 and 21.
2006-12-02 13:20:00 · answer #1 · answered by Anonymous · 0⤊ 0⤋
I'm not too sure about this but, I think it has to do with how often you exercise your brain. Back in 10 grade my school has a class called Physics where we figure out acceleration of gravity and everything we learned we did with experiments. Well I was trying to remember the stuff I learned but I didn't keep practising it so I forgot how to do some of it. I'm a senior now and I have a spin off of that class called Advanced Science where we learn about Waves and Light and things like that. And I can't even remember half the things I knew now about Kinetic energy or things I learned from Algebra II back in 10th grade.
Edit: My teacher for Physics and Advanced Science is a great man he is extremely smart and is probably around 60ish. If you study and learn things like how many great scientists do, when you are old like Albert Einstein, or all them your IQ will be higher when your older.
2006-12-02 05:45:49 · answer #2 · answered by Raptor 2 · 0⤊ 0⤋
I'm 81 years old and my IQ at age 40 was 139. Today my IQ tests indicate a score of 122. It is interesting to me because I don't recognize any deterioration in my intelligence, but that could be because of the decline.
2017-02-03 22:09:34 · answer #3 · answered by Berto 2 · 0⤊ 0⤋
too plenty Crack!! basically kidding. i think of a lot of it has to do with the way it fairly is calculated and a few are extra precise than others. examine a splash deeper into it and locate out how real the source is.
2016-12-10 20:26:26 · answer #4 · answered by lot 4 · 0⤊ 0⤋
im not sure but thats a good question, i think with aging, old people arent as quick and smart, but maybe theyre really the same,w e just dont notice it. but yeah i'd liek to knwo the answer to your question!
2006-12-02 05:41:16 · answer #5 · answered by LoLa 3 · 0⤊ 0⤋
It pretty much stay the same all the time.Maybe it decreases a bit when you get older.
2006-12-02 06:12:01 · answer #6 · answered by black_cat 6 · 0⤊ 0⤋