One common misconception about smart children is that they will grow up to be socially isolated, ridiculed, or develop mental disorders. However, this thought process ignores the facts because according to Terman's studies, 92 out of the 1500 of those students scoring in the top 1% went on to earn doctoral degrees and many others became equally successful (Lilienfeld 336).
When does genius start? Below is a video of a two year old that was recently accepted into MENSA, the organization for individuals with IQ's higher than 140.
In this video we don't learn the IQ of her parents, which Lilienfeld speculates contributes to the average IQ score (Lilienfeld 336). Also, since she was 2 in 2009 there hasn't been longitudinal studies on whether or not her intelligence has been retained or negatively affected her socially. Perhaps not because she is smart but because her intelligence has been widely publicized, the effects will be different than other MENSA children. Beyond that, is a three year old who can play a piano concerto less of a genius than one who can name all the world capitols? How can varying degrees of intelligence be compared at such a young age?