The Brain

In this section, we will not go into the biological side of the brain but we will introduce Electroencephalography.

Electroencephalography provides a means of studying how the brain works and of tracing connections between one part of the central nervous system and another. Its effectiveness as a research tool, however, is limited because it records only a small sample of electrical activity from the surface of the brain. Many of the more complex functions of the brain, such as those that underlie emotions and thought, cannot be related closely to electroencephalogram patterns.

Electroencephalography has proved more useful as a diagnostic aid in cases of serious head injuries, brain tumours, cerebral infections, epilepsy, and various degenerative diseases of the nervous system. Intelligence has historically been conceptualized as a more or less fixed trait. This view perceives intelligence as something people are born with, and the function of development is to allow this genetic endowment to express itself.

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