News tagged with cognitive defects
Researchers discover that errors in RNA splicing lead to a class of neurological disorders
(Medical Xpress)—Researchers have found that missteps in a basic cellular process, RNA splicing, is the culprit behind a class of rare neurological disorders manifested by intellectual disability and stunted development.
Genetics
Mar 29, 2013 |
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Researchers unravel molecular roots of Down syndrome
Sanford-Burnham researchers discover that the extra chromosome inherited in Down syndrome impairs learning and memory because it leads to low levels of SNX27 protein in the brain.
Medical research
Mar 24, 2013 |
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Study shows how insulin-like molecules play critical role in learning and memory
Though it's most often associated with disorders like diabetes, Harvard researchers have shown how the signaling pathway of insulin and insulin-like peptides plays another critical role in the body – helping ...
Neuroscience
Feb 26, 2013 |
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Cell loss in the brain relates to variations in individual symptoms in Huntington's disease
Scientists have wrestled to understand why Huntington's disease, which is caused by a single gene mutation, can produce such variable symptoms. An authoritative review by a group of leading experts summarizes the progress ...
Neuroscience
Jan 07, 2013 |
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Study finds long-term anabolic-androgenic steroid use may impact visuospatial memory
The long-term use of anabolic-androgenic steroids (AAS) may severely impact the user's ability to accurately recall the shapes and spatial relationships of objects, according to a recent study conducted by McLean Hospital ...
Neuroscience
Dec 14, 2012 |
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Discovery of molecular pathway of Alzheimer's disease reveals new drug targets
The discovery of the molecular pathway that drives the changes seen in the brains of Alzheimer's patients is reported today, revealing new targets for drug discovery that could be exploited to combat the disease. The study ...
Alzheimer's disease & dementia
Nov 20, 2012 |
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Boosting natural marijuana-like brain chemicals treats fragile X syndrome symptoms
American and European scientists have found that increasing natural marijuana-like chemicals in the brain can help correct behavioral issues related to fragile X syndrome, the most common known genetic cause of autism.
Autism spectrum disorders
Sep 25, 2012 |
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Protein inhibitor points to potential medical treatments for skull and skin birth defects
Researchers at Mount Sinai School of Medicine in New York have found new clues in the pathogenesis of skull and skin birth defects associated with a rare genetic disorder, Beare-Stevenson cutis gyrata syndrome (BSS). Using ...
Pediatrics
May 15, 2012 |
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Evolution's gift may also be at the root of a form of autism
A recently evolved pattern of gene activity in the language and decision-making centers of the human brain is missing in a disorder associated with autism and learning disabilities, a new study by Yale University researchers ...
Genetics
May 10, 2012 |
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Study finds two genes affect anxiety, behavior in mice with too much MeCP2
The anxiety and behavioral issues associated with excess MeCP2 protein result from overexpression of two genes (Crh [corticotropin-releasing hormone] and Oprm 1 [mu-opioid receptor MOR 1]), which may point the way to treating ...
Genetics
Jan 08, 2012 |
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Biologists use flies, mice to study Down syndrome
A novel study involving fruit flies and mice has allowed biologists to identify two critical genes responsible for congenital heart defects in individuals with Down syndrome, a major cause of infant mortality ...
Genetics
Nov 04, 2011 |
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