“Some of our brain functions – such as short-term memory, processing speed, and visuospatial functions – show some decline with healthy aging,” she says. “On the other hand, language functions tend to remain well preserved as we get older.”
Her opinion isn’t the only voice. Research from Harvard University and Massachusetts Institue of Technology indicate that arithmetic skills don’t peak until age 50, and vocabulary and cumulative intelligence peak even later, like into the 70’s.
I totally believe the science because I am living it.