Animals with larger brain sizes are expected to learn better.
Social intelligence therefore gives us the answer to that first expansion of brain size two million years ago.
These fish are also known for having large brain size and unusually high intelligence.
We cannot tell a person's intelligence in any given case by measuring his or her brain size.
Does this mean that brain size in some sense causes intelligence?
The brain size is rather small for such a late date.
Not all investigators are happy with the amount of attention that has been paid to brain size.
Obviously, there has been an overall increase in brain size.
"But it could have developed as a function of our brain size, or something else; we don't really know."
Their mother thought that women did not have the cranial capacity to comprehend such things.
They also have a large cranial capacity and are one of the most intelligent bird groups.
Root didn't have the cranial capacity to appreciate what he was trying to do here.
It is an adult with an estimated cranial capacity of 410 cc.
The cranial capacity was also quite large for their size.
Intelligence does require a certain level of cranial capacity.
The skull is slightly flattened and has a cranial capacity from 1110 to 1200 cm.
This way a more objective judgement can be made on the cranial capacity of an individual animal.
The cranial capacity is similar to that of living chimps.
The cranial capacity was about 375 to 500 cc.