Sentences with phrase «relatively large brains»

Modern birds have skulls that look remarkably like those of juvenile dinosaurs, offering an unusual explanation for how birds came to have relatively large brains.

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

Birds, although they often have relatively large brains, are commonly thought to carry out tasks by rote.

They've found that most social species (from chimpanzees to social wasps) have relatively large brains and are cognitively sophisticated, adept at experiments designed to test their smarts.

The Australian raven (Corvus coronoides) has a relatively large brain and relatively low levels of a stress hormone.

Men are smarter than women, according to research published in 2006, which the study researchers say could be due to men having relatively larger brains, a difference of about 0.2 pounds (100 grams).

Not exact matches

Around the time of the origins of our species 300,000 years ago, the brains of Homo sapiens had about the same relatively large size as they do today, new research suggests.

Golden retrievers, for example, have many more nerve cells than cats, and brown bears have an unexpectedly low number of nerve cells given the relatively large size of their brain.

Instead of a small number of large, powerful processors working continuously, the brain contains billions of relatively slow, small processors — its neurons — which consume power only when activated.

A 2002 study using MRI scans showed that brain areas keeping aggression and impulsive behavior in check were relatively larger in women than in men.

For large - brained mammals like apes that engage in complex social interactions this is relatively straightforward.

That tiny brain demonstrating such communication and facial recognition skills makes the relatively large human brain look remarkably inefficient.

«Dolphins evolved from relatively small - brained animals like cows and hippos into this large - brained, highly specialized aquatic organism,» says Caro - Beth Stewart, an evolutionary biologist at the State University of New York, Albany, who was not involved in the research.

These tall, relatively large - brained ancestors of modern humans arose about 1.9 million years ago and soon afterward invented a sophisticated new tool, the hand ax.

A relatively large - brained baboon can make a dozen alliances while holding grudges against several rivals.

The study was the first randomized - controlled trial to examine the potential benefits of the low fat diet on the management of MS.. The study found no significant differences between the two groups in brain lesions detected on MRI brain scans or on other measures of MS.. But while the number of trial participants was relatively small, study leaders believe the significantly improved fatigue symptoms merited further and larger studies of the diet.

They found that compared to their ancestors, birds» faces became flattened, and their brain cases relatively larger.

In particular, having larger skulls relative to their body size allowed birds to evolve relatively large and more elaborate brains.

As surprising at it may seem, wasps, bees, and even ants have relatively large and complex brains.

«It is present in the brain in relatively large quantities during early development but then its concentration drops off dramatically.

«It is a well - designed study in a relatively large number of healthy elderly to show that Mediterranean diet may protect from subsequent brain atrophy.

It is regarded as one explanation for the relatively large neonatal brain size of precocial mammals [19], [49].

It may be that such a large portion of the brain's energy needs can only be met by ketones when ketone levels are relatively high — higher, perhaps, than most people would be able to achieve through a ketogenic diet alone.

Because the Grain Brain diet is relatively new (2013), there has yet to be a large - scale study to confirm the purported health benefits of this diet.

«It includes relatively large - brained hunters like dolphins and killer whales (which have the demonstrable intelligence of land - based hunters such as dogs) and tiny - brained filter feeders such as the blue whale.