Neuroscience News
July 7, 2015

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updated 3:36pm EDT

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July 7, 2015

Age-Related Cognitive Decline Tied to Immune-System Molecule

July 6, 2015 — A blood-borne molecule that increases in abundance as we age blocks regeneration of brain cells and promotes cognitive decline, new research shows. The molecule in question, known as beta-2 ... read more

July 6, 2015 — Studying brain scans and cerebrospinal fluid of healthy adults, scientists have shown that changes in key biomarkers of Alzheimer's disease during midlife may help identify those who will ... read more

REM Sleep Critical for Young Brain Development; Medication Interferes

July 3, 2015 — Rapid eye movement or REM sleep actively converts waking experiences into lasting memories and abilities in young brains, reports a new study. The finding broadens the understanding of ... read more

July 3, 2015 — The DNA molecule is chemically unstable giving rise to DNA lesions of different nature. That is why DNA damage detection, signaling and repair, collectively known as the DNA damage response, are ... read more

Rapid Response to Kids' Stroke Symptoms May Speed Diagnosis

July 2, 2015 — A rapid response plan for children at a hospital quickly identified stroke and other neurological problems. One in four children with stroke-like symptoms were diagnosed with stroke and 14 percent ... read more

July 2, 2015 — Prions are fascinating, enigmatic, and might teach us not only about rare prion diseases like Creutzfeld-Jakob disease, mad cow disease, or scrapie, but also about other more common neurodgenerative ... read more

July 2, 2015 — Researchers have uncovered further evidence of a system in the brain that persistently maintains memories for long periods of ... read more

Water to Understand the Brain

July 2, 2015 — To observe the brain in action, scientists and physicians use imaging techniques, among which functional magnetic resonance imaging (fMRI) is the best known. These techniques are not based on direct ... read more

July 2, 2015 — Researchers report that the deletion of the PTEN gene would enhance compensatory sprouting of uninjured CST axons. Furthermore, the deletion up-regulated the activity of another gene, the mammalian ... read more

Intrusiveness of Old Emotional Memories Can Be Reduced by Computer Game Play Procedure

July 2, 2015 — Unwanted, intrusive visual memories are a core feature of stress- and trauma-related clinical disorders such as posttraumatic stress disorder (PTSD), but they can also crop up in everyday life. New ... read more

July 2, 2015 — When remembering something from our past, we often vividly re-experience the whole episode in which it occurred. New research has now revealed how this might happen in the brain. The study shows that ... read more

New Light Switches for Neurons Advance Brain Research

July 1, 2015 — Light switches for neurons have made enormous contributions to brain research by giving investigators access to “on switches” for brain cells. But, finding “off switches” has been much more ... read more

Benefits of Vitamin B12 Supplements for Older People Questioned

July 1, 2015 — Taking vitamin B12 supplements does not benefit neurological or cognitive function in older people with moderate deficiency of vitamin B12, research has shown for the first ... read more

Immune Response to a Flu Protein Yields New Insights Into Narcolepsy

July 1, 2015 — Some of the first solid evidence that narcolepsy may be a so-called 'hit-and-run' autoimmune disease has been uncovered by an international team of researchers. Autoimmune diseases, such as ... read more

New Epigenetic Mechanism Revealed in Brain Cells

July 1, 2015 — For decades, researchers in the genetics field have theorized that the protein spools around which DNA is wound, histones, remain constant in the brain, never changing after development in the womb. ... read more

July 1, 2015 — A new pair of brain-imaging studies suggest that researchers may be able to predict how likely young adults are to develop problem drinking or risky sexual behavior in response to stress. The ... read more

Decoding the Statistical Language of the Brain

July 1, 2015 — Researchers have developed ways to measure both the objective probability density functions for a simple motor task and the corresponding subjective probability density ... read more

Lifelong Learning Is Made Possible by Recycling of Histones, Study Says

July 1, 2015 — A new mechanism that makes neuronal plasticity and, as a result, learning possible has been discovered by researchers. This discovery centers on a specific type of histone, proteins that support DNA ... read more

July 1, 2015 — Researchers have uncovered key principles about the way vision-neurons work, explaining how the brain uses sensory information to guide the decisions that drive ... read more

July 1, 2015 — Scientists report the discovery of a neural circuit in the mouse olfactory bulb that explains how our mammalian cousins (and by extension, we) are able to dial down powerful odor signals sampled from ... read more

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