Fluid or crystallized intelligence ? https://en.wikipedia.org/wiki/Fluid_intelligence https://en.wikipedia.org/wiki/Fluid_intelligence and check : http://brai

Fluid or crystallized intelligence ? https://en.wikipedia.org/wiki/Fluid_intelligence https://en.wikipedia.org/wiki/Fluid_intelligence and check : http://brainworkshop.sourceforge.net/ http://brainworkshop.sourceforge.net/ "A recent study published in PNAS, an important scientific journal, shows that a memory task called dual n-back improves working memory (short term memory) and fluid intelligence. These findings are important because fluid intelligence was previously thought to be unchangeable"