Increased intelligence is a myth (so far)
Here is an article that clarifies several misconceptions about intelligence, principally the idea that experience and learning of the IQ tests actually increases intelligence. Image from pixabay.com https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3950413/ Front Syst Neurosci . 2014; 8: 34. Published online 2014 Mar 12. doi: 10.3389/fnsys.2014.00034 Richard J Haier On one hand, intelligence testing is one of the great successes of psychology (Hunt, 2011 ). Intelligence test scores predict many real world phenomena and have many well-validated practical uses (Gottfredson, 1997 ; Deary et al., 2010 ). Intelligence test scores also correlate to structural and functional brain parameters assessed with neuroimaging (Haier et al., 1988 ; Jung and Haier, 2007 ; Deary et al., 2010 ; Penke et al., 2012 ; Colom et al., 2013a ) and to genes (Posthuma et al., 2002 ; Hulshoff Pol et al., 2006 ; Chiang et al., 2009 , 2012 ; Stein et al., 2012 ). On the