SHOW BRAIN AND NERVOUS SYSTEM According to Phillip Vernon, intelligence is: Not a thing or entity in the brain or mind, but just a label which we apply to actions or words, which to us seem clever, efficient, complex, and difficult21 Another definition of intelligence is: The dispositional property or properties of an individual that function in the determination of efficiency and quality of cognitive behaviour and adaptation to the individual’s experience.22 Quoting the famous epistemological psychologist, Jean Piaget, McNally (1974) submitted that: The development and functioning of intelligence is just as biological a function as digestion … it is the progressive development of logic within the child which enables him to understand the biological, social and physical worlds … .23 Discussing intelligence brings us to a convergence of philosophy and psychology of education, two disciplines that focus on human behavior from two complementary approaches. From the philosophical point of view, Walter
Phillip Vernon (1975) Heredity and Environment in the Growth and Decline of Intelligence, Journal of Educational Thought 9(2), p. 83. 22 John Watson (1976) Early Learning and Intelligence in Origins of intelligence, Michael Lewis (ed) John Wiley and Sons p. 200. 23 D.W.McNally (1974) Piaget, education, and teaching, New Educational Press Ltd, p. 2.