Sentences with phrase «brains than mammals»

Ounce for ounce birds have significantly more neurons in their brains than mammals or primates.»

Not exact matches

Whitehead's system is able to encompass the results, however: while the actual occasions constituting the central nervous system of bees are certainly of a lower degree of complexity than that of mammals, a bee brain contains thousands of interactive neurons, so that there is no a priori reason why the dominant occasion of the bee may not be capable of complex experiences in situations relevant to the bees» survival.

This evidence is presented in depth in The Mommy Brain, which cites research showing that humans and other mammals respond more readily to their second baby than to their first.

In Breastfeeding Made Simple: Seven Natural Laws for Nursing Mothers, Mohrbacher and Kendall - Tackett explain that human babies are born at less than 50 % of adult brain growth, while most other mammals are born with about 80 %.

Although she acknowledges that the relationship between intelligence and neuron count has not yet been firmly established, Herculano - Houzel and her colleagues argue that avian brains with the same or greater forebrain neuron counts than primates with much larger brains can potentially provide the birds with much higher «cognitive power» per pound than mammals.

Anatomy confirms what behavior reveals: Octopuses and cuttlefish have larger brains, relative to body weight, than most fish and reptiles, larger on average than any animals save birds and mammals.

One disadvantage: Marsupials grow more slowly and thus have smaller brains than placental mammals.

The data indicate that a highly folded neocortex is ancestral — the first mammals that appeared more than 200 million years ago had folded brains.

Comparing successful and unsuccessful invaders, he found that in both birds and mammals, big - brained species are more likely to be successful than are small - brained ones (pdf).

In the course of evolution, certain mammals, notably humans, have developed larger brains than others, and therefore more advanced cognitive abilities.

They also use each brain cell more flexibly than mammals.

Still, insects exercise impressive information management: They pack neurons into their brains 10 times more densely than mammals do.

A University of Iowa study has found twitches made during sleep activate the brains of mammals differently than movements made while awake.

Higher mammals, such as humans, have markedly larger brains than other mammals.

Birds and mammals have brains that are up to 10 times larger, relative to body size, than those of reptiles and other animals.

But, relative to body size, primates have much larger brains than any other animals, and we humans, not surprisingly, have the biggest brains of all — about six times larger than you would expect for a mammal of our size.

Previous reports have argued that the genes that regulate brain development and function evolved much more rapidly in humans than in nonhuman primates and other mammals because of natural selection processes unique to the human lineage.

Taken together, scientists may be on the verge of finally understanding how a 500 million - year - old marine organism that lacks basic bone structure consistently ranks higher than most mammals when it comes to brain size, neuron count and learning ability.

It's pretty obvious baby mammals need a lot more nutrition for brain and other growth than adults need, so maybe that's the issue?

Our present brain is only 2 percent of the body by weight, but it accounts for 16 percent of the basal metabolism (the brain share is 3 percent in an average mammal, and some marsupial brains get by on less than 1 percent).