Myelin is important to intelligence because it:

Difficulty in recognizing an alteration – even a very obvious one – in a scene is called blindness

a. covert b. exogenous c. endogenous d. change

Which of the following statements about Francis Galton is incorrect?

a. He was an early member of the psychometric approach to intelligence. b. He attempted to measure intelligence through tests such as the memory span. c. Like Charles Darwin, he was deeply committed to the idea of survival of the fittest. d. His tests were later shown to be poor predictors of actual intellectual performance.