Sentences with phrase «brains of affected animals»

We have mouse models for many of these diseases, says Zeng, so we can treat the brains of affected animals with the same dye - and - dice approach.

Not exact matches

He has achieved fame by experiments in which, after removing the amygdalae from the brains of cats, he observed that the cats veered «helplessly from one inappropriate affect to another, boredom where there should be fear... sexual arousal where there was nothing that would stimulate an intact animal.»

There we learn that when Dr. Starling removed the amygdala from the brains of laboratory cats, he observed them «to veer helplessly from one inappropriate affect to another, boredom where there should be fear, cringing where there should be preening, sexual arousal where there was nothing that would stimulate an intact animal.»

«In animal studies, exercise has been shown to specifically affect the hippocampus, significantly increasing the growth of new neurons and cell survival, enhancing memory and learning, and increasing molecules that are involved in the plasticity of the brain,» Chaddock said.

Animal studies show that low levels of BPA affect the hormones that control the development of the brain, the reproductive system, and the immune system.

But depression does not affect everyone, and the molecular biology of resilience for psychiatric disorders can be clearly seen by inspecting the brains of lab animals.

Arnold Kriegstein, a neuroscientist at the University of California, San Francisco, also argues that though the scientists found inhibitory interneurons strikingly depleted in the brains of the oxygen - deprived piglets, this alone can not account for the dramatic shrinking of the animals» overall brain size and the diminished number of cortical folds «The interneurons are part of the story but not the entire story of how the brain is affected by this kind of [lack of oxygen].»

The cognitive impairments — which affected a large subset, but far from all, of the animals — appear to be linked to protein changes in the brain, the scientists say.

He added that the existence of episodic memory in lower animals has implications for research on human diseases that affect memory, including Alzheimer's, Parkinson's and Huntington's diseases, since the majority of research on the brain — and the drugs used to treat memory diseases and dementia — start out based on insights into how the brain works in rats.

To investigate just how this change affects an animal's sense of novelty, Burwell and her colleagues infected brain cells in rats» perirhinal cortex with a virus containing a light - activated channel.

Ketamine affects the brain's opioid system, which can naturally become active even without drugs when animals are under attack, suggesting trauma might set off this aspect of near - death experiences, Mobbs explains.

Using an animal model of this syndrome, scientists from the Florida campus of The Scripps Research Institute (TSRI) have discovered that mutations in PTEN affect the assembly of connections between two brain areas important for the processing of social cues: the prefrontal cortex, an area of the brain associated with complex cognitive processes such as moderating social behavior, and the amygdala, which plays a role in emotional processing.

Transmissible spongiform encephalopathies (TSEs, also known as prion diseases) are a group of progressive conditions that affect the brain and nervous system of humans and animals and are transmitted by prions.

Prion diseases are a group of rare, fatal brain diseases that affect animals and humans.

Malnutrition, on the other hand, negatively affects brain growth (both in utero and during infancy) and can have potentially irreversible implications for intellectual development.21 Animal sources of vitamin A play a particularly crucial role in fetal development.

Other animal studies have shown that supplementing with melatonin causes a decrease in the amount of brain tissue affected by stroke, thereby leading to improved outcomes — and more rapid recovery.

In the absence of disease affecting the brain, animals are typically normal in between the epileptic seizures.

«We used to see this giggle factor around the pot for pets topic, people thinking about blowing smoke in their pets ear or nose and getting them high and laughing at the animal's discoordination, which is really because of how the THC is affecting their brain,» Silver says.

Neurology services treat conditions affecting the brain, spinal cord, muscles, and nerves of animals including: intervertebral disc disease, lumbosacral disease, seizures, cancer of the nervous system, strokes, and vestibular disease.

«Rabies is a very serious virus that results in a fatal brain disease in people or animals affected,» said Dr. Bonnie J. Sorensen, director of the Volusia County Health Department.

AAHA, AVMA, AAFP, the Companion Animal Parasite Council (CAPC) and the Center for Disease Control (CDC) strongly recommend parasite control for companion animals for many reasons, including prevention of visceral larva migrans, a condition in which parasites within a human «release larvae that migrate anywhere in the body... Organs commonly affected are the eye, brain, liver and lung, where infections can cause permanent visual, neurologic, or other tissue damage.

A veterinary behaviorist has also demonstrated their academic skills in graduate school classes such as ethology, evolution of social behavior, developmental biology, neurobiology of behavior, learning theory, animal cognition, psychopharmacology (study of medications that affect the brain and emotions), and statistical analysis.

Animal studies have shown that direct glucocorticoid exposure results in a loss of pyramidal neurons and dendritic branching in the hippocampus, meaning that the organic structure of this brain area was affected by this hormone, likely resulting in a decrease neuronal synapses that would facilitate integration.