Uncategorized Risk of cognitive impairment increased by progressive cerebral small vessel disease

Risk of cognitive impairment increased by progressive cerebral small vessel disease

High blood pressure has been linked to an increased risk for dementia, but what’s unclear is what kinds of subtle negative changes take place in the brain that may affect cognitive function. Finding new ways to detect minor types of cognitive impairment may help determine who is at risk for early-stage dementia. In this study, …

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Uncategorized Generating new neurons in the adult brain

Generating new neurons in the adult brain

Using mice deficient in nestin, a protein that is a component of the part of the cytoskeleton known as intermediate filaments or nanofilaments, the research team led by Prof. Milos Pekny showed that nestin produced in astrocytes has an important role in inhibiting neuronal differentiation. They linked this regulatory function of nestin to the Notch …

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Uncategorized Fountain of youth?

Fountain of youth?

If only we could keep our bodies young, healthy and energetic, even as we attain the wisdom of our years. New research at the Weizmann Institute of Science suggests this dream could be at least partly obtainable in the future. The results of this research, led by Prof. Valery Krizhanovsky and Dr. Yossi Ovadya in …

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Uncategorized WAND could offer new treatment for neurological disorders

WAND could offer new treatment for neurological disorders

A new neurostimulator developed by engineers at the University of California, Berkeley, can listen to and stimulate electric current in the brain at the same time, potentially delivering fine-tuned treatments to patients with diseases like epilepsy and Parkinson’s. The device, named the WAND, works like a “pacemaker for the brain,” monitoring the brain’s electrical activity …

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Uncategorized Tilting towards better social engagement

Tilting towards better social engagement

Every time we look at a face, we take in a flood of information effortlessly: age, gender, race, expression, the direction of our subject’s gaze, perhaps even their mood. Faces draw us in and help us navigate relationships and the world around us. How the brain does this is a mystery. Understanding how facial recognition …

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Uncategorized How we rapidly focus attention

How we rapidly focus attention

Our brains are continuously bombarded with information from the senses, yet our level of vigilance to such input varies, allowing us to selectively focus on one conversation and not another. Professor Stephen Williams of the Queensland Brain Institute at UQ explains, “If we want to give our full concentration, something happens in the brain to …

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Uncategorized Insights on memory

Insights on memory

Drs. Christine N. Smith and Larry R. Squire, both with the VA San Diego Healthcare System and the University of California, San Diego, found that declarative memory–recalling facts and events–depends on conscious knowledge of what has been learned. The finding helps explain how the hippocampus controls the process of memory. They also showed that conscious …

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Uncategorized Socioeconomic status and the developing brain

Socioeconomic status and the developing brain

Cassidy McDermott, Armin Raznahan, and colleagues analyzed brain scans of the same individuals collected over time between five and 25 years of age. Comparing this data to parental education and occupation and each participants’ intelligence quotient (IQ) allowed the researchers to demonstrate positive associations between SES and the size and surface area of brain regions …

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Uncategorized Primary drivers for hospitalizations of homeless individuals

Primary drivers for hospitalizations of homeless individuals

A homeless individual is one who lacks fixed and reliable housing, and approximately 553,000 people fit that description on any given night in the United States. A new retrospective cohort study led by investigators from Beth Israel Deaconess Medical Center (BIDMC) and Brigham and Women’s Hospital examines patterns, causes and outcomes of acute hospitalizations between …

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Uncategorized Declining life expectancies in the US include Gen X and Y 

Declining life expectancies in the US include Gen X and Y 

“We identified late-Gen X (38- to 45-year-olds) and early-Gen Y (27- to 37-year-olds) as age cohorts with elevated mortality patterns, particularly for non-Hispanic whites, said study co-author Emma Zang, a Ph.D. candidate at the Sanford School of Public Policy. “That is in addition to the rise among the already much-discussed Baby Boomer generation.” To study …

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