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ScienceDaily: Mind & Brain News |
| Study highlights worldwide disparities in treatment rates for major depressive disorder Posted: 15 Feb 2022 11:07 AM PST A combined analysis of results from 149 earlier studies finds that treatment rates for major depressive disorder remain low worldwide, particularly for people living in low and lower-middle income countries. |
| A new atlas of cells that carry blood to the brain Posted: 15 Feb 2022 09:55 AM PST Researchers created a comprehensive atlas of the types of cells found in the brain cerebrovasculature, which provides oxygen and nutrients to the brain and helps form the blood-brain barrier. They also found significant differences between healthy cells and those from Huntington's disease patients. |
| COVID-19 vaccination boosts mental health along with immunity, study finds Posted: 15 Feb 2022 09:54 AM PST Receiving at least one vaccine dose was associated with statistically significant declines in multiple psychological distress factors, researchers report in a new study. |
| How a protein controls the production of nerve cells in the brain Posted: 15 Feb 2022 08:34 AM PST Researchers have discovered that the protein YME1L regulates the production of new nerve cells and the maintenance of neural stem cells in the adult brain. This holds great potential for regenerative treatments after brain injuries and other diseases. |
| Memory formation influenced by how brain networks develop during youth Posted: 15 Feb 2022 08:33 AM PST In a new, rare study of direct brain recordings in children and adolescents, scientists have discovered as brains mature, the precise ways by which two key memory regions in the brain communicate make us better at forming lasting memories. The findings also suggest how brains learn to multitask with age. Historically, a lack of high-resolution data from children's brains have led to gaps in our understanding of how the developing brain forms memories. The study innovated the use of intracranial electroencephalogram (iEEG) on pediatric patients to examine how brain development supports memory development. |
| Human olfactory mucosa cell model opens a new perspective on Alzheimer’s disease Posted: 15 Feb 2022 06:25 AM PST Researchers have developed and characterized a new cell model for Alzheimer's disease that has wide utility for research and could prove useful in early diagnosis and testing of new therapies. |
| High-resolution probe may help unlock secrets of brain function and neurological diseases Posted: 14 Feb 2022 12:48 PM PST A novel probe developed in 2017 allowed unprecedented recording of brain activity but only in small lab animals. MGH researchers and colleagues have successfully used a modified version of the probe to measure brain activity in humans. Insights gleaned from data acquired by this modified tool could have profound implications for the understanding of how the brain functions in good health and in disease. |
| Highly responsive immune cells seem to be beneficial for the brain Posted: 14 Feb 2022 11:40 AM PST New findings support the view that hyperactive immune cells in the brain can have a protective effect in the course of neurodegenerative diseases. |
| Behind a good mutation: How a gene variant protects against Alzheimer’s Posted: 14 Feb 2022 11:40 AM PST While the word 'mutation' may conjure up alarming notions, a mutation in brain immune cells serves a positive role in protecting people against Alzheimer's disease. Now biologists have discovered the mechanisms behind this crucial process. |
| New study reveals potential target for alcohol-associated liver disease Posted: 14 Feb 2022 11:40 AM PST Researchers have uncovered a new pathway that helps explain how consuming too much alcohol causes damage to the liver, specifically mitochondrial dysfunction in alcohol-associated liver disease. |
| Studies compare best ways to treat wide-neck aneurysms Posted: 14 Feb 2022 11:40 AM PST Coils and stents less invasively repair brain aneurysms, but are they superior to clips implanted during surgery? A study compares the treatments. |
| A microbial compound in the gut leads to anxious behaviors in mice Posted: 14 Feb 2022 09:12 AM PST A new study shows how a particular molecule, produced by gut bacteria, affects brain function and promotes anxiety-like behaviors in mice. |
| 'Math neurons' identified in the brain Posted: 14 Feb 2022 09:12 AM PST The brain has neurons that fire specifically during certain mathematical operations. The findings indicate that some of the neurons detected are active exclusively during additions, while others are active during subtractions. They respond in the same manner whether the calculation instruction is written down as a word or a symbol. |
| Transient BP spikes coupled to learning in brain Posted: 14 Feb 2022 08:18 AM PST Minor everyday rises in blood pressure due to short-term stressors can be linked to a brain area that controls conscious and learned motor skills. This discovery paves the way for a chance to influence the rises in blood pressure and, in the long run, prevent hypertension. |
| Study reveals likely link between mitochondrial dysfunction and age-dependent cognitive disorders Posted: 14 Feb 2022 06:58 AM PST Increased oxidative damage is linked to neurodegenerative disorders such as Alzheimer's disease (AD). Even though the pathophysiology of AD has been widely investigated, the likely relationship between mitochondrial dysfunction and the disease remains largely unknown. A research team has now confirmed that AD progression is linked to oxidative brain damage, which impairs cognitive function in AD transgenic mice in an age-dependent manner. |
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