Jemma Spike

So that is the origin of the myth.

I also think that...

there is something to be said about the fact that 25 is a really nice number, right?

25 is a very solid, clean, neat number.

And that attracted a lot of attention.

You know, he didn't say 24 years and 11 months.

He didn't say 26 years and four days.

He

He gave us one simple, neat, attractive number.

And people love that kind of certainty and that kind of simplicity when it comes to describing something as confusing and complex as brain development.

It is the same reason why the myth that we only use 10% of our brain is so popular, because 10% is a nice simple number.

Same with the myth that people are 90% water.

Simple number.

The thing is actually pinpointing when the brain develops for real is incredibly, incredibly difficult because it differs from person to person based on genetics, based on environment, based on experiences, even based on exposure to things like alcohol.

It's also gradual.

Yes.

Like there is, there is a point where your brain will reach peak maturity and

But it's kind of what we call like a bold man conundrum.

I don't know if you've heard this kind of exercise before, but essentially there's this debate around how many hairs does a man have to have before he's no longer bald?

You know, if there was a man in front of you and he had one hair, one single hair, you would think he was bald.