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Brain rewires itself after damage or injury, life scientists discover
When the brain's primary "learning center" is damaged, complex new neural circuits arise to compensate for the lost function, say life scientists from UCLA and Australia who have pinpointed the regions of the brain involved in creating those alternate pathways — often far from the damaged site.   The research, conducted by UCLA's Michael Fanselow and Moriel Zelikowsky in collaboration with Bryce Vissel, a group leader of the neuroscience research program at Sydney's Garvan Institute of Medical Research, appears this week in the early online edition of the journal Proceedings of the National Academy of Sciences. ...
Source: UCLA Newsroom: Health Sciences - May 15, 2013 Category: Universities & Medical Training Source Type: news

Head injuries can alter hundreds of genes and lead to serious brain diseases, UCLA biologists report
Head injuries can harm hundreds of genes in the brain in a way that increases people ’s risk for a wide range of neurological and psychiatric disorders, UCLA life scientists report.The researchers identified for the first time master genes that they believe control hundreds of other genes which are linked to Alzheimer ’s disease, Parkinson’s disease, post-traumatic stress disorder, stroke, attention deficit hyperactivity disorder, autism, depression, schizophrenia and other disorders.Knowing what the master genes are could give scientists targets for new pharmaceuticals to treat brain diseases. Eventually, scientists...
Source: UCLA Newsroom: Health Sciences - March 6, 2017 Category: Universities & Medical Training Source Type: news

UCLA neuroscientists use weak electrical signal to stimulate human brain and improve memory
FINDINGSNeuroscientists at the  David Geffen School of Medicine at UCLA have discovered precisely where and how to electrically stimulate the human brain to enhance people’s recollection of distinct memories. People with epilepsy who received low-current electrical pulses showed a significant improvement in their ability to recognize specific faces and ignore simila r ones.Eight of nine patients ’ ability to recognize the faces of specific people improved after receiving electrical pulses to the right side of the brain’s entorhinal area, which is critical to learning and memory. However, electrical stimulation deli...
Source: UCLA Newsroom: Health Sciences - October 24, 2017 Category: Universities & Medical Training Source Type: news

Neuroscientists show deep brain waves occur more often during navigation and memory formation
FINDINGSUCLA neuroscientists are the first to show that rhythmic waves in the brain called theta oscillations happen more often when someone is navigating an unfamiliar environment, and that the more quickly a person moves, the more theta oscillations take place — presumably to process incoming information faster.In an unexpected finding, theta oscillations were most prominent in a blind person who relied on a cane to move. The scientists hypothesized that a sightless person explores a strange environment through multiple senses, which would require more brain activity to process the extra sensory input.BACKGROUNDTheta o...
Source: UCLA Newsroom: Health Sciences - December 11, 2017 Category: Universities & Medical Training Source Type: news

UCLA biologists ‘transfer’ a memory
UCLA biologists report they have transferred a memory from one marine snail to another, creating an artificial memory, by injecting RNA from one to another. This research could lead to new ways to lessen the trauma of painful memories with RNA and to restore lost memories.“I think in the not-too-distant future, we could potentially use RNA to ameliorate the effects of Alzheimer’s disease or post-traumatic stress disorder,” said David Glanzman, senior author of the study and a UCLA professor of integrative biology and physiology and of neurobiology. The team’sresearch is published May 14 in eNeuro, the online journa...
Source: UCLA Newsroom: Health Sciences - May 15, 2018 Category: Universities & Medical Training Source Type: news