Credit: University of Iowa With a finding that will “rewrite neuroanatomy textbooks,” University of Iowa neurologist Aaron Boes, MD, Ph.D., and his colleagues show that the thalamus is not a critical part of the brain pathway involved in keeping humans awake and conscious. The finding upends decades of medical dogma that placed the thalamus as […]Continue Reading ...
People with epilepsy living in high crime neighborhoods in Chicago had three times as many seizures as those living in neighborhoods with lower crime rates according to new research from the University of Illinois at Chicago presented at the American Epilepsy Society 2018 conference in New Orleans. Epilepsy is a chronic neurological disorder characterized by […]Continue Reading ...
Effects of post-encoding sleep vs. wakefulness on memory in the NOR and OPR tasks. a) During the encoding phase of the two tasks rats explored two identical objects in the arena for 10 minutes. Encoding was followed by a two-hour interval in which the rat either slept or remained awake. Retrieval was tested immediately after […]Continue Reading ...
Image of pyramidal neurons in mouse cerebral cortex expressing green fluorescent protein. The red staining indicates GABAergic interneurons. (Source PLoS Biology). Image via Wikimedia Commons. Unlike old dogs, old adults can indeed learn new tricks thanks to a protein molecule called netrin. Netrin is known to help set up the healthy nervous system in an […]Continue Reading ...
Credit: Australian National University Australian researchers have developed ground-breaking new technology which could prove crucial in treating brain injuries and have multiple other applications, including testing the success of cancer therapies. Associate Professor David Nisbet from The Australian National University (ANU) and Dr. Richard Williams from RMIT have developed a 3-D tool to model brain […]Continue Reading ...
Credit: CC0 Public Domain Recent studies of complex brain disorders such as schizophrenia and autism spectrum disorder (ASD) have identified a few “master keys,” risk genes that sit at the center of a network of genes important for brain function. Researchers at Emory and the Chinese Academy of Sciences have now created mice partially lacking […]Continue Reading ...
3D reconstruction of electron microscopy images showing a perinodal astrocyte (blue), node of Ranvier (gray), compact myelin (purple), and layers of myelin detaching from the axon (tan). Credit: Fields Laboratory, NICHD/NIH The transmission speed of neurons fluctuates in the brain to achieve an optimal flow of information required for day-to-day activities, according to a National […]Continue Reading ...
Credit: CC0 Public Domain Eating leafy greens, dark orange and red vegetables and berry fruits, and drinking orange juice may be associated with a lower risk of memory loss over time in men, according to a study published in the November 21, 2018, online issue of Neurology, the medical journal of the American Academy of […]Continue Reading ...
Demyelination by MS. The CD68 colored tissue shows several macrophages in the area of the lesion. Original scale 1:100. Credit: Marvin 101/Wikipedia Mapping of a certain group of cells, known as oligodendrocytes, in the central nervous system of a mouse model of multiple sclerosis (MS), shows that they might have a significant role in the […]Continue Reading ...
Credit: Wikimedia Commons Cognitive flexibility—the brain’s ability to switch between different rules or action plans depending on the context—is key to many of our everyday activities. For example, imagine you’re driving on a highway at 65 miles per hour. When you exit onto a local street, you realize that the situation has changed and you […]Continue Reading ...
Credit: Ravi Kant et al. A class of cells that defends the body against invaders also triggers obsessive-compulsive behaviour that appears in autoimmune disorders such as multiple sclerosis (MS), a new study from the Indian Institute of Science (IISc) has found. Autoimmune disorders, in which the body’s immune system goes rogue and attacks healthy cells, […]Continue Reading ...
Ball-and-stick model of the dopamine molecule, a neurotransmitter that affects the brain’s reward and pleasure centers. Credit: Jynto/Wikipedia Scientists have made a major advance in untangling the brain circuits that lead to the powerful addictive effects of heroin, a study in the open-access journal eLife reports. The discovery could lead to more effective treatments for […]Continue Reading ...
An experimental drug is showing some promise in stopping mood abnormalities and cognitive disorders similar to those seen in people with Gulf War illness, an animal study suggests. The research was presented Nov. 7 in San Diego at the annual Society for Neuroscience meeting. “Our results in mice indicate that this small experimental molecule is […]Continue Reading ...
“We’re trying to identify early brain processes that will impact behaviors in children when they are older,” said Anubhuti Goel, a postdoctoral researcher in neurology at UCLA and first author of the study. Credit: University of California, Los Angeles Using a genetic technique that allows certain neurons in the brain to be switched on or […]Continue Reading ...
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