Brain health and brain fitness depends on maintaining our ‘G-Factor’- our general intelligence. The 5 Factors of Intelligence Defined Psychologists call general intelligence ‘G’. G is known to be based on five underlying factors (Gc, Gf, Gv, Gsm and Gs) shown below. Some of these factors are based on ‘acquired knowledge’ through education, others are based on ‘raw’ thinking skills that we are usually not taught (such as the ability to reason logically), and others are based on how efficient our brains are
