Sentence examples for brain size and intelligence from inspiring English sources

Yet many scientists have objected to his methods and interpretations, arguing, among other things, that the link between total brain size and intelligence is far from clear.

He asserts that his work reveals east Asians to have the largest average brain size and intelligence scores, those of African descent to have the smallest average brains and I.Q.'s, and those of European ancestry to fall in the middle.

Myth: The correlation between brain size and intelligence within either race, and the average difference in brain size and intelligence between blacks and whites, are well established in the scientific literature.

Over the last century several studies investigated the relationship between brain size and intelligence [ 2] in young adults.

However, an association between brain size and intelligence may be due to the persistence of this relationship from earlier life.

The clearest potential links of such processes to cognition are positive correlations between brain size and intelligence within humans (Witelson et al. 2006; Narr et al. 2007) as well as across nonhuman primate species (Deaner et al. 2007), and data showing that IQ is positively-associated with rapidity of growth in thickness of the cerebral cortex during human childhood (Shaw et al. 2006).

Before accurate measures using neuroimaging techniques were possible, head size was used as a proxy for brain size, and there was a small, but statistically significant, association between head size and intelligence: in adults a mean correlation of around 0.2 [ 6].

All of this is to say that we actually don't have a complete understanding of the relationship between socioeconomic factors like income and parental education, brain size and cognition or intelligence.

With age both brain size and fluid-type intelligence decline, and regional atrophy is often suggested as causing decline in specific cognitive abilities.

Researchers have long known about this trade-off, and about the connection between brain size and neural density and intelligence.

He identified the defining characteristic of the human species as their relatively large brain size and deduced that the evolutionary advantage of the human species was intelligence, which yielded language and technology.