Sentences with phrase «avian brains»

Having previously found that molecules called cryptochromes embedded in birds» retinas both respond to light and detect magnetic fields, scientists at the University of Oldenburg in Germany recently showed that avian brains incorporate clever mechanisms for processing the geomagnetic information.

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.

That is possible because the neurons in avian brains are much smaller and more densely packed than those in mammalian brains, the study found.

The collection of avian brains that the scientists analyzed.

Herculano - Houzel hopes that the results of the study and the questions it raises will stimulate other neuroscientists to begin exploring the mysteries of the avian brain, especially how their behavior compares to that of mammals of similar numbers of neurons or brain size.

Pepperberg focused her research on how the avian brain works: «How are resources allocated within the avian brain — a brain that is physically smaller and somewhat differently organized from, but that is still evolutionarily similar to, that of primates?»

«This is one of the first papers to show we can use a real - time system to analyze the neurobiology of the avian brain,» she says.

Not exact matches

Killer birds brunch on bats» brains It sounds like the avian equivalent of an Ozzy Osbourne concert.

The preamble read as follows: «This symposium demonstrates that many avian species, despite brain architectures that lack much cortical structure and evolutionary histories and that differ so greatly from those of humans, equal and sometimes surpass humans with respect to various cognitive tasks.»

Scientists built miniature devices to measure avian head movement, brain electrical activity and GPS location, and they attached them — almost like hats and backpacks — to great frigatebirds of the Galapagos Islands in Ecuador.

Bird species with larger than average brains have lower levels of a key stress hormone, an analysis of nearly 200 avian studies has concluded.

Read previous Zoologger columns: Unmasking the Zorro of the avian world, The worm that looks like a tree, The bird that cares for its rival's chicks, Itsy bitsy teeny weeny chameleons, Don't bite — how the zebra got its stripes, The only males with more brain than females, How a blurry - eyed spider pounces on target, Gecko's amputated tail has life of its own, Unique life form is half plant, half animal, Transgender fish perform reverse sex flip, My brain's so big it spills into my legs, Dozy hamsters reverse the ageing process, To kill a mockingbird?

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«Those avian nervous systems are capable of far greater achievements than the pejorative term «bird brain» would suggest.»