It is believed that the right brained people have a creative, artistic and emotional; while the left brained ones are logical, good with numbers and analytical. Thus, the former have a high emotional quotient (EQ), and the later have an intelligence quotient (IQ).
Holistic development of the brain?
The holistic development of the brain is not complete until the spiritual quotient (SQ) comes into the trilogy. The different combinations of IQ, EQ and SQ result in different personalities; and when the perfect balance is achieved, it results in individuals who are capable of making their life more meaningful by devoting themselves for the well being of others and society at large.