Sentences with phrase «larger brains»

Experts have long suspected that complex social interaction drove the evolution of large brains in humans.

They found that birds with larger brains relative to their body size survived better in nature than birds with small brains.

His team is now using the new model to investigate how social factors may influence evolution of large brain size.

Animals with high cognitive ability also have relatively large brains, but the factors that drive evolution of big brains remain unclear.

For example, rats raised in cages with toys developed larger brains with more nerve endings than rats raised in empty cages.

That meant they could carry larger brains relative to their body size.

Eating healthy amounts of omega - 3 fatty acids is associated with larger brain volume and better function.

Humans have much larger brains than mice, and as a result our carbohydrate needs are larger.

Work on the mouse brain will provide a proof of principle that can then be carried over to work on larger brains, including the human brain.

This resonates with the creature's unusually large brain and the organ's even - stranger anatomy.

If you know the weight of a mammal's body, you can make a fairly good guess about how large its brain will be.

First of all, these animals evolved large nervous systems, including large brains.

Larger brains burn more energy and their extra weight makes flight more costly too.

Fully mature humans have large brains which take a long time to grow to their full size when compared to those of dogs.

Higher ratios, indicating larger brains relative to body mass, hint at greater cognitive ability as well.

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

If bigger really is better, why are large brains rare in nature?

It stretches wide too, accommodating gamers with especially large brains.

A new examination of the dolphin genome identifies genes involved in the evolution of large brains.

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

«Many corvids have relatively large brains for their body size, and can do amazing things.»

Scientists have long suspected that humans evolved large brains because our hominid ancestors had to outwit and elude predators, learn to use fire, and develop complex social structures.

The human version of a DNA sequence called HARE5 turns on a gene important for brain development (gene activity is stained blue), and causes a mouse embryo to grow a 12 percent larger brain by the end of pregnancy than an embryo injected with the chimpanzee version of HARE5.

1/2 day snorkel at Mexico Rocks and Tres Cocos where you will see large brain coral formations and a vibrant population of marine life.

A new mathematical model could help clarify what drove the evolution of large brains in humans and other animals, according to a study published in PLOS Computational Biology.

Now a study in wasps supports and refines that theory: it seems that dominant individuals have larger brain regions responsible for higher - order cognitive processes.

2 - whether certain emotions are recognized more quickly through vocalizations than others and produce larger brain responses; and

Neurodegenerative disorders like Huntington's disease affect very large brain areas.

Even if brain size accounts for just 10 to 20 percent of an IQ test score, it is possible to conjecture what kind of average scores would be made by a group of people with 30 percent larger brains.

Nor long legs and hooves, although man's large brain case has made birthing more difficult admittedly.

To grow larger brains, the stem cells would also have to differentiate into blood vessels to supply nutrients to the growing organoid.

But if the fossils are more recent, they theorize, it raises the possibility that a small - brained Homo lived in southern Africa at the same time as larger brained Homo species were evolving.

What was it that allowed them to move out of Africa without fire, without very large brains?

He further thinks that, although the Dmanisi individuals» brains were small, they were still in the process of slowly evolving into larger brains.

One of the important implications of the study, the neuroscientist said, is that it demonstrates that there is more than one way to build larger brains.

Understanding how and why we evolved such large brains is one of the most puzzling issues in the study of human evolution.

We will form a collaborative team with four laboratories to take advantage of these new tools and rich data to create anatomically realistic computational models of large brain networks that underlie working memory.

whether certain emotions are recognized more quickly through vocalizations than others and produce larger brain responses; and

The birds» novel mode of tool use may be a reflection of their intelligence and exceptionally large brains.

WE PRIDE ourselves on our big brains, but have lacked hard evidence that individuals with large brains do better than others.

«In our study, we show that the world's most experienced users of this strategy differ from normal control subjects not in coarse differences in a single brain structure, but in distributed connectivity patterns between larger brain networks,» he added.

When the social brain hypothesis was formulated, it did not consider primates like orangutans, which have large brains despite often living solitary lives.

For the atlases to be useful and reliable, the team says brain imaging centres need to continue to collect scans from many healthy older people and work together to make large brain image banks.

Scientists first proposed a relation between social living and brain expansion, or encephalization, nearly three decades ago, when they observed that primate species with larger brains typically lived in bigger groups.

If these principled relations among brain parts hold true, then Boskops would have had not only an impressively large brain but an inconceivably large prefrontal cortex.

But biologists have been unsure whether this is because non-migratory birds need larger brains to cope with the challenges of finding food through the changing seasons, or because migrators need to pare down their weight for travel.

NSF also plays an integral role in efforts to coordinate large brain projects in various countries with an aim toward launching a Global Brain Initiative.

A third study (abstract 3.244) finds that large brain function networks are affected by focal forms of epilepsy.

«We have begun doing X-ray tomography on large brain tissues, then we've gone deeper into specific tiny regions of interest in the same tissue with an electron microscope to see the full connectome there,» Dyer said.