Intelligence is perhaps the most distinctive behavioral attribute of Homo sapiens, and in recent years by far the most controversial. It is the defining hallmark by which the human species has established preeminent control over the natural environment, and it is the principal capability possessed in greater degree by humans than by other primates. In species comparisons, intelligence is correlated with the amount of neural circuitry in the cerebral cortex that exceeds the requirements for sensorimotor coordination and regulation of vegetative functions. In the progression up the phylogenetic ladder, this encephalization quotient steadily increases, and so does intelligence.
KeywordsMental Development Sensorimotor Coordination Specific Cognitive Ability Encephalization Quotient Good School Performance
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