From Live Science:A new map of the brain shows that most key aspects of intelligence are handled in specific spots, while processing speed is distributed throughout the noggin.
Researchers used brain scans to map the mental regions involved in the cognitive work done while taking IQ tests, which remain the most widely-used intelligence tests in the world.
The scans helped examine each of four cognitive indexes of the Wechsler Adult Intelligence Scale (WAIS) in 241 neurological patients who had suffered from strokes, tumor, resection and trauma. The study found some overlap in brain regions that might suggest future revisions for the IQ test, and suggested that brain scans could even help predict IQ scores.
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