Studies don’t make a consensus, nor does a consensus make a ‘fact’. Here’s another pov:

We can all pick our favorite studies. Studies don’t make a consensus, nor does a consensus make a ‘fact’. Here’s another pov:
http://phys.org/news/2010-12-brain-fully-mature-30s-40s.html

So what is it? 24? 30? 40s? never? They used to think it was 3.

Now there’s more knowledge of brain plasticity. Less evidence based upon “weighing brains’ or counting cells, because the cells gain greater function in the networked environment.

This kind of stuff can go on and on and go no place in a discussion.

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Well, if you’re studying for exams, you have to give the answers that are prepared ahead of time as “correct”, whatever they are supposed to be. Just how the system works. Or whatever the prof prefers as correct, so you’re in a special state right now where you gotta go with what facts are needed to pass.

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Part of the problem with a lot of these studies is the availability of people to scan. Most studies are done with a majority of participates in the college age range, simply because they’re an easy group to pick from. They’re there, available, and ready to get scanned.

How many 30, 40, 50, 60, 70, 80, 90, 100 yrs olds are easily available for University fMRI studies? A professor or two? Maybe a call to the local community?

This doesn’t invalidate the findings but it’s an ongoing problem in research. It’s better than it was: it used to be that studies for brain scanning were almost exclusively males between 18-22 who are right handed because it was easier to map to the standard brain model. But we’ve improved much since then.

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