The Brain and Our Personality
Biological aspects of personality are assessed using brain imaging techniques, the two most common forms of which are the electroencephalography (EEG) and functional magnetic resonance imaging (fMRI). Researchers use electroencephalography (EEG) to record the electrical activity of the brain. The procedure involves placing electrodes on a person’s scalp. The electrodes, metal disks attached to wires, are usually mounted in a fabric cap that fits ts snugly over the head. Typically, the person is conducting certain tasks while electrical activity is recorded. EEG is superior to other brain imaging techniques in showing when brain activity occurs. It is not very accurate at indicating precisely where activity occurs. Functional MRI (fMRI), does, however, tell us about brain activity. Images from fMRI tell us where activity in the brain is occurring during particular tasks by tracking blood oxygen use in brain tissue. In this way, researchers can see which areas of the brain are using the most oxygen (and presumably are most active) during certain tasks.
Class, are brain scans predictors of personality?
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