Johnny Oops, Johnny Oops, Johnny Johnny Johnny
Rather than being fixed over our lifespan, a person’s IQ can show both significant increases and decreases during their teenage years, new results suggest.
Reported in Nature today, the results reveal that verbal and non-verbal ability, as measured by IQ (Intelligence Quotient) tests, fluctuated over a period of three to four years during adolescence. They also showed that these changes correspond to specific structural changes in brain regions associated with speech and movement.