Sentences with phrase «smaller animal brain»

Not exact matches

An impressive example of human engineering, no doubt; but according to Mike Hansell, a professor emeritus of animal architecture at the University of Glasgow, even creatures with very small brains create some pretty amazing structures.

In July they reported that the ultrasound was able to pass through the monkeys» skulls and almost instantly loosen small sections of the animals» blood - brain barrier.

The Duke researchers who made this discovery say it may help explain how a relatively small number of genes can create the dazzling array of different cell types found in human brains and the nervous systems in other animals.

The best microscopes currently available can detect light from 3 to 4 millimetres into the brain, enough to see light signals coming from the cortex of a small animal, but not enough to see deep - seated structures such as the hippocampus.

Again and again, animals of various species domesticated at different times in different parts of the world develop the same domestication syndrome characteristics: more extensive breeding periods; smaller brains, hearts and teeth; small or floppy ears; spotted coats; curly hair and tails; variable numbers of vertebrae in the spine; and juvenile faces with shorter snouts.

For instance, domesticated animals have smaller brains than their wild counterparts probably because they do not require the extra brainpower that could help them evade predators or hunt for food.

The small numbers and large sizes of brain cells in sea slugs make the animals ideal for brain research.

This supports a recent proposal that such cells may be the master control switches of domestication, explaining why domestic animals share common traits, such as smaller brains and certain pigmentation patterns — a mystery first noted by Charles Darwin.

This was perhaps the most complex social arrangement ever attributed to animals considered (erroneously) so small - brained.

Co-author James Makinson said: «Understanding how small - brained animals like bees find efficient rules - of - thumb to accomplish complex and flexible behaviours has great potential to inform the development of artificial intelligence and advanced robots.

For instance, the brain will naturally assume an animal in the 2D image is in the foreground if it is large, and far away if it is small.

In a novel animal study design that mimicked human clinical trials, researchers at University of California, San Diego School of Medicine report that long - term treatment using a small molecule drug that reduces activity of the brain's stress circuitry significantly reduces Alzheimer's disease (AD) neuropathology and prevents onset of cognitive impairment in a mouse model of the neurodegenerative condition.

Neuropeptides are small proteins in the brains of all animals that bind to receptor proteins and cause activity in cells.

They discovered a pattern: Small - brained animals with fewer neurons in the wrinkly outer layer of the brain, called the cortex, had shorter yawns than large - brained animals with more cortical neurons.

«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.

Darwin also was the first to discover that selective breeding for tameness produced similar side effects in different animals, including smaller brains.

After they injected a small amount of minced brain tissue into the brains of gerbils, however — which are very prone to BDV infection — the virus started multiplying, and they could isolate and culture live virus from the animals» brains.

WIKIMEDIA, BRUNO BASTOSIn a small study of animals whose yawn durations were tabulated from YouTube videos, researchers found that the longer the yawn, the bigger the brain.

«This study provides proof - of - concept experiments, in large animal models, that a small, miniaturized device can be safely implanted in the brain and provide miniaturized control of the electrical activity and function of single neurons or small groups of neurons.

The core facility is a two - photon in vivo imaging platform developed at the Nonlinear bioimaging laboratory, a technique that allows for non-invasive structural and functional measurements in small animal models at different scales: from macroscopic imaging of the brain morphology to highly resolved microscopy of neuron populations, single neurons, and even subcellular structures.

«Compared to normal animals, these mice have very small brains, and multiple behavioral abnormalities,» says Ferris.

The reptiles were mainly synapsids (Pelycosaurs and Therapsids) that appeared in the Upper Carboniferous, and were bulky, cold - blooded animals with small brains Towards the very end of the Permian the first archosaurs appear, the ancestors of the soon to follow Triassic dinosaurs.

Among these achievements are the development of new techniques for classifying different types of neurons; automated methods for creating wiring diagrams of the connections between cells in the mammalian brain; new ways of recording and manipulating the electrical activity of hundreds, even thousands, of cells simultaneously; and, advanced microscopes that allow researchers to visualize the activity of all the cells in the brains of small animals.

After introducing meat into our diet, we went from having a much larger gut that was good for fermenting rough cellulose and carbohydrate to a much smaller gut and a bigger brain better adapted to the digestion of animal protein.

When pregnant women eat lots of animal products, because of these pollutants in animal fats, they risk having babies with smaller brains, lower intelligence, poorer attention span, other cognitive impairments, and more pediatric respiratory infections.

The brain like every other human tissue is made up of and utilizes protein, so we do have to eat enough protein while the brain is growing and a small amount for daily operation, but the major metabolic price of our larger brains is the large increase in the percentage of total calories used by our brains compared to animals with smaller brain to body weight ratio.

Those pillows and their cases keep this large and small animal veterinarian in peaceful dreams, while my brain deals with the demands of my job during the day.

The Neurology and Neurosurgery Service in the Bailey Small Animal Teaching Hospital at Auburn University's College of Veterinary Medicine is offering stereotactic surgery to treat animals with brain disease, one of the few veterinary teaching hospitals to do so.

You've got the litter and the cage, picked out the toys to stimulate their little brains, found a water bottle and grabbed a handy bag of small animal chow... You must be all set to go home and settle in with your little one, right?

Studies have shown that animals that live alone have smaller brains than their streetwise counterparts.

Although her main emphasis throughout her career as a veterinarian has been small animal general medicine and surgery, prior to veterinary school she spent three years as a research associate in the department of (human) neurosurgery at th Hospital of the University of Pennsylvania and Children's Hospital of Philadelphia investigating the biochemical changes that occur in the brain after severe head injury.

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Like other animals that have been domesticated, dogs have a reduced cranial capacity — a smaller brain size — compared to their wild counterparts.

It's been another rough year for the animal kingdom — all that rarefied air at the top of the food chain must be leaving us brain - addled — but a few small victories for our furred, feathered, finned, hooved, and scaled cohorts

Animals actually see the world much more rationally than we do, in spite of their smaller and less complex brains.