In an experiment, volunteers should remember a series of words that appear on the screen, but they will be interrupted during the math Researchers asked if volunteers deepened, and eventually scored volunteers brain operation capacity by memory words The results show that those who have a math problem is a dedication, remember the words but more, prove that they have more brain operation capacity
Brain capacity is also related to other indicators of human intelligence, not just the number of words
Researchers believe that those who often go often be smarter because they can remember a lot of information, and the evaluation is flexible