What is known about the relationship between iq scores and physiological measures of brain function?

The answer is below

Explanation:

There are various existing information or knowledge about the relationship between IQ scores and physiological measures of brain function. Some of which are:

1. IQ scores are correlated with processing efficiency of the brain, that is, the higher the nerve conduction and processing speed of the brain, the faster its cognitive speed.

2. Parietal lobes in brain, is involved in mathematical ability and visual - spatial processing, which in turn influenced the IQ scores.

3. Higher intelligence scores have also been linked with more gray matter in brain areas, which aid functions such as memory, attention and use of language.