Sentences with phrase «variation in brain size»

There is some variation in brain size among different dog breeds, but that is mostly due to variation in body size.

But even among the smartest bird species, there's still natural variation in brain size.

Not exact matches

And because the underlying commitment is philosophical, the flimsiest facts are counted as evidence - as when the president of the National Academy of Sciences recently published an article arguing that evolution is confirmed by differences in the size of finch beaks, as though the sprawling evolutionary drama from biochemicals to the human brain could rest on instances of trivial, limited variation.

The difference in diet explained 0.5 percent of the variation in total brain volume, an effect that was half the size of that due to normal aging.

Megelencephaly and macrocephaly genes are associated with comparative variation in primate brain size [abstract].

Assessing sources of error in comparative analyses of primate behavior: intraspecific variation in group size and the social brain hypothesis.

The difference in diet explained 0.5 % of the variation in total brain volume, an effect that was half the size of that due to normal aging.

It has been shown that a brain network including the anterior cingulate cortex (ACC) and lateral prefrontal cortex areas, mostly modulated by the neurotransmitter dopamine, subserves the function of regulating thoughts, emotions and responses.13 Patterns of activation of these brain structures are related to the efficiency of resolving conflict14 and variations in the size and structure of the ACC have been related to the EC score obtained in temperament questionnaires.15