Andrew Huberman· PhD
it looked specifically at creative insight and it was a lovely study and they performed something called the numeric number reduction test which is one of those test that psychologists love to administer and participants hate to perform and here's what happens you're shown a whole string of numbers and you are given a certain set of rules and you have to work through those number problems and come out with a final end answer and you're told that you're going to be judged simply on how many correct Final End answers that you get and you work through hundreds of these problems what they don't tell you in the instructions however is that there is a hidden rule here embedded in that all of those sequences all of the sequences are different that you have to solve but there is one common rule that binds them all together which is that the second part sort of the second component of the solution so you're working through let's say it's a 10 digigit string number and you have to apply these rules to the first number then carry it through to the second number and then to the third number and the the second partial number that you produce in this string of calculations to get to the Final End answer it turns out to be always the same end answer so in other words if you clue on to this hidden rule all you have to do is work up to