There’s a Big Difference In How Your Brain Processes The Numbers 4 And 5 : ScienceAlert
Quick, how many apples are in the photo above?It's easy to see there are three, but thanks to a distinct processing mechanism in your brain, it might have been even easier than you realize.According to a new study, the human brain has two separate ways of processing numbers of things: one system for quantities of four or fewer, and another system for five and up.Scientists have known for a long time that people respond differently when asked to quickly discern quantities above or below this threshold, but until now it…