Sentences with phrase «than brain size»

Deaner says his findings support the hypothesis that absolute brain size matters more than brain size adjusted for body size.

Not exact matches

Furthermore, the patients may find that it's better for (half monkeys like you) to have a mega microscopic brain rather than to have a regular size one but only serves as an extra burden for a half human like them that has the intellectual capacity as to monkeys.

It is true, our brains are about three times larger than would be expected for a primate of our size.

When they analyzed the MRI data, the researchers found that the physically fit children tended to have bigger hippocampal volume - about 12 percent bigger relative to total brain size - than their out - of - shape peers.

Recall that breastfed infants wake up much more frequently and at shorter intervals than do bottle fed infants since cows milk is designed for cow brain growth (much less volume compared with human brains) and body growth rates while breast milk has just the right composition which means fast burning sugars and much less protein and fat... for that ever - growing human infant brain which triples in size in the first year.

That is one of the surprising results of the first study to systematically measure the number of neurons in the brains of more than two dozen species of birds ranging in size from the tiny zebra finch to the six - foot - tall emu, which found that they consistently have more neurons packed into their small brains than are stuffed into mammalian or even primate brains of the same mass.

Neandertals had a similar brain size — to - body ratio as we do, so rather than cranial capacity, it might have been underlying neurological differences that could explain why we flourished while they died out, he said.

A pea - sized lump of brain tissue contains more information than the Library of Congress.

But one region consistently becomes quieter than average: a grape - size cluster of neurons almost dead center in the brain known as the thalamus.

Boskop's brain size is about 30 percent larger than our own — that is, a 1,750 - cc brain to our average of 1,350 cc.

Other factors may also be important in birds, which show a greater difference in brain size than bats.

As a result, the cerebellum in apes and humans contains far more neurons than that of a monkey, even when the brain is scaled up to the size it would be in an ape.

The brains of migratory birds tend to be smaller than those of similar - sized species that do not migrate.

More than 2000 such neurons are organized into 50 types, each of which transmits information to a specific region of the fly's poppy seed - sized brain.

Days 56 - 60: The embryonic brain is a giant bulbous globe now, more than a third of the entire body — which is about the size of a cherry tomato.

It is certainly a simpler and more plausible idea than the truth that Cajal saw in his microscope: that the brain is stuffed with billions of tiny cells of many different sizes and shapes.

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.

She stood barely more than a meter tall and had a brain the size of a chimpanzee's.

If so, it would mean that, rather than being an 18,000 - year - old representative of a new species, the hobbit was just a modern human with a growth disorder that left it with a brain the size of a grapefruit, among other odd traits, which is what critics have argued all along.

They also have a bigger brain, relative to their size, than most other species of bats.

Men's brains are bigger than women's — about 100 grams heavier on average — even when their larger proportional size is factored into the equation.

Although they are no larger than house cats, tamarins have brains that are surprisingly big for their size and a family life organized like our own.

Our brains are bigger, relative to body size, than other animals», but it's not just size that matters.

Researchers knew that Neanderthal brains reached full size between the ages of 6 and 8 years and that they were about 10 percent larger than the brains of modern humans.

A pre-surgery tumor size of greater than three centimeters was associated with worse LC, but local recurrence was not significantly affected by the number of brain metastases or the patients» histology or graded prognosis assessments.

«What we found is that weaning time — which acts as a measure of the prematurity of the infants — was a much better predictor of primate's intelligence than any of other measures we looked at, including brain size, which is commonly correlated with intelligence,» said Piantadosi.

Absolute size is important, but it is usually regarded as less informative than relative size — the size of the brain as a fraction of the size of the body.

Falk suspects the size discrepancy can be linked to the philandering tendencies of our primate ancestors.Falk found that like humans, male rhesus monkeys had larger brains than females, while male and female gibbon apes were equally endowed.

Patients were stratified by number of brain metastases (1 vs. 2 - 3), primary cancer type (melanoma vs. other histology) and pre-operative tumor size (less than vs. greater than three centimeters).

What most interested the researchers, though, was that the MEG recordings clearly showed the participants» brains handled the sound source (clap versus pole versus ball) task differently than the room size task.

It's so much bigger than the mouse brain, which is kind of an almond - size thing.

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

Over that period the land became even more densely packed with people and, just as the Missouri team's model predicts, the brain shrank more quickly than did overall body size, causing EQ values to fall.

Co-authors Fred Spoor of the Max Planck Institute for Evolutionary Anthropology and Lauren Gonzales of Duke University calculated its brain volume to be about 36 cubic centimeters, which is less than half the volume of monkeys of the same body size living today.

«Since the Bronze Age, the brain shrank a lot more than you would expect based on the decrease in body size,» Hawks reports.

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.

And while the large sample size allowed the group to form a good picture of what the brain looks like each year, some individuals» brains looked much older or younger than they actually were.

By performing DNA sequencing of more than 4,000 families affected by neurological problems, the two research teams independently discovered that a disease marked by reduced brain size and sensory and motor defects is caused by a mutation in a gene called CLP1, which is known to regulate tRNA metabolism in cells.

Brain scans of 47 people of different ages found — after taking into account overall brain sizes — that adults had 12.6 per cent more solid brain matter in this area than children did (Science, doi.org/bBrain scans of 47 people of different ages found — after taking into account overall brain sizes — that adults had 12.6 per cent more solid brain matter in this area than children did (Science, doi.org/bbrain sizes — that adults had 12.6 per cent more solid brain matter in this area than children did (Science, doi.org/bbrain matter in this area than children did (Science, doi.org/bwwg).

Brain scans of 47 people of different ages found — after taking into account the differing overall sizes of their brains — that adults had 12.6 per cent more solid brain matter in this area than childrenBrain scans of 47 people of different ages found — after taking into account the differing overall sizes of their brains — that adults had 12.6 per cent more solid brain matter in this area than childrenbrain matter in this area than children did.

Along with a larger brain — about two - thirds the size of ours — came a reduction in the size and projection of the face, including much smaller teeth and jaws than those of Paranthropus (H. erectus's contemporary in Africa) and loss of the skull crest.

«The reason we have more neurons than any other animal alive is that cooking allowed this qualitative change — this step increase in brain size,» she says.

The size of the otoferlin molecule and its low solubility have made it difficult to study, including how otoferlin works differently than another neuronal calcium sensor in the brain, synaptotagmin.

The new paper «Extinction Reverses Olfactory Fear Conditioned Increases in Neuron Number and Glomerular Size» highlights the results of a first of its kind study in which researchers reveal that the olfactory system in the brain is biologically and structurally more sensitive to trauma cues than previously thought, and that it's possible for fear behaviors associated with emotional learning to be reversed through exposure - based talk therapy.

Although very small (less than the size of a little finger), it plays a vital role in brain function.

«We have shown that species with larger brains relative to their body size experience lower mortality than species with smaller brains, supporting the general importance of the cognitive buffer hypothesis in the evolution of large brains.»

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

This may explain why, for example, birds with small relative brain sizes, such as pheasants, find it harder to avoid a moving car than those with larger brain size, such as magpies.

Here, we use a much larger sample of primates, more recent phylogenies, and updated statistical techniques, to show that brain size is predicted by diet, rather than multiple measures of sociality, after controlling for body size and phylogeny.

The problem is that these probes are typically much larger in size than neurons and capillaries (they usually have a cross-sectional area of 103 μm2) and can thus cause significant damage to brain tissue when implanted.