Reading and writing fill in the blanks

Fluid intelligence—the type of intelligence that involves short-term memory and the ability to think quickly, logically, and abstractly in orderattemptreturnstep order to problem-solve in new and unique situations— peaksdelaysfadescontinues peaks in young adulthood (between the ages of 20 and 30), levels out for a period of time, and then generally starts to slowly soardelaypeakdecline decline as we age. But whywhilewhereaswith while aging is inevitable, scientists are finding out that certain changes in brain function may not be.