Sentences with phrase «developing brains of rats»

Because they can't ethically subject youth to alcohol to study its effects, researchers use the developing brains of rats to understand the effects of «intermittent alcohol exposure» — the equivalent of drinking to a blood - alcohol level of.08 (the legal limit for driving while impaired) three or four nights a week.

Not exact matches

But none of the control rats developed brain tumors as would have been expected, and the male rats exposed to radiation actually outlived their non-exposed counterparts.

Another study of degu rats discovered that babies» brains developed normally if the father rat stayed in the nest, but broke down at the level of synapses — in areas of the brain that influence decision - making and emotions — when the father was removed.

But I think I took a couple of things away: One was really that in infancy... attachment - promoting behavior — that helping him manage stress the way that those mother rats helped their pups manage stress — was a hugely important thing, and that was going to make a big difference in terms of how his brain develops, how his stress response system develops, and that that was going to help him a lot going forward.

Rats with brain plaques develop further symptoms of Alzheimer's when given nicotine.

In the 1960s, researchers showed that lab rats provided with wooden blocks and a rotating assortment of mazes developed larger sensory regions of their brains.

At a neuroscience meeting, two teams of researchers will report implanting human brain organoids into the brains of lab rats and mice, raising the prospect that the organized, functional human tissue could develop further within a rodent.

Rats with Alzheimer's brain plaques go on to develop additional signs of the disease when they are given nicotine

This involves killing substantia nigra neurons on one side of the brains of rats, which then develop a movement imbalance that causes them to turn in circles, as well as exhibiting other symptoms.

Over time, «significant and persistent» MRI abnormalities (called T1 - weighted signal hyperintensities) developed in the brains of rats receiving the linear GBCA, gadodiamide.

In past studies to develop a new animal model for the brain events that support motor development, neurophysiologist Martin Garwicz of Lund University in Sweden and his colleagues discovered that the schedules by which ferrets and rats acquire various motor skills, such as crawling and walking, are strikingly similar to each other; the progress simply happens faster for rats.

In research that builds upon the Nobel Prize - winning science, UC San Diego scientists have developed a micro-surgical procedure that makes it possible to remove the area of the rat's brain that contains grid cells and show what happens to this hard - wired navigational system when these grid cells are wiped out.

The rats all developed two separate fears, one for each tone, which showed up in brain scans as increased neural activity in the amygdala, a part of the brain directly related to fear.

Scientists at the US Military HIV Research Program at the Walter Reed Army Institute of Research (WRAIR) recently developed a vaccine that blocks the opioids in heroin from reaching the brain in mice and rats, offering a potential breakthrough in treating opioid addiction.

They found that the exposed rats were more likely to develop cancers, specifically malignant gliomas — a tumor of glial cells in the brain — and tumors in the heart.