557 Articles with the topic: Neuroscience
Study Dispels Link Between Autism and Measles Vaccine
jerry submitted, created time 2 days 51 minutes (www.washingtonpost.com)
Hoping to dispel long-running concerns that autism is linked to the measles-mumps-rubella vaccine (MMR), researchers now say a new study shows the childhood vaccine does not raise that risk. 
Fatal protein interactions may explain neurological diseases
sea-maid submitted, created time 3 days 35 minutes (esciencenews.com)
In a collaborative study at the University of California, San Diego, investigators from neurosciences, chemistry and medicine, as well as the San Diego Supercomputer Center (SDSC) have investigated how proteins involved in neurodegenerative diseases such as Alzheimer's and Parkinson's disease interact to form unique complexes. Their findings explain why Alzheimer's patients might develop Parkinson's, and vice versa. The new and unique molecular structures they discovered can now be used to model and develop new drugs for these devastating neurological diseases
First-ever trial proves exercise helps memory
sea-maid submitted, created time 4 days 4 hours (esciencenews.com)
West Australian health experts are urging older people to get active after proving for the first time that just twenty minutes of activity each day can prevent memory deterioration. In a world-first, a team from the WA Centre for Health and Ageing (WACHA) based at the Western Australian Institute for Medical Research (WAIMR) has shown that regular physical activity can lead to a lasting improvement in memory function.
Alzheimer's Protein Tracked in Injured Brains
jerry submitted, created time 5 days 33 minutes (www.time.com)
Scientists for the first time have peered into people's brains to directly measure the ebb and flow of a substance notorious for its role in Alzheimer's disease...
Secret of Newborn's First Words Revealed
kavin submitted, created time 1 week 20 minutes (www.sciencedaily.com)
A new study could explain why "daddy" and "mommy" are often a baby's first words – the human brain may be hard-wired to recognize certain repetition patterns. Using the latest optical brain imaging techniques, University of British Columbia post-doctoral fellow Judit Gervain and a team of researchers from Italy and Chile documented brain activities of twenty-two newborns (two to three days old) when exposed to recordings of made-up words
Animal Intelligence and the Evolution of the Human Mind
jerry submitted, created time 1 week 1 day (www.sciam.com)
The human brain lacks conspicuous characteristics—such as relative or absolute size—that might account for humans’ superior intellect. This article in Scientific American is a smoothly written and interesting discussion of how scientists have found ways to measure intelligence in non-human species--especially primates--and of the speculation on the reasons behind human intelligence.
sea-maid submitted, created time 1 week 4 days (sciencenow.sciencemag.org)
If you hide your real hand under a cloth and place a rubber or plastic hand where your real hand ought to be and then have someone touch both real and false hands in the same way, you will begin to feel as if the sensation is coming from the false hand. Scientists have used this technique for years to figure out how people perceive body boundaries.
The spooky part? The body temperature of the real hand will decrease. So will sensation.
FDA Approves First Drug for Treatment of Chorea in Huntington’s Disease
kavin submitted, created time 3 weeks 3 hours (www.fda.gov)
The U.S. Food and Drug Administration has approved Xenazine (tetrabenazine) for the treatment of chorea in people with Huntington’s disease. Chorea is the jerky, involuntary movement that occurs in people with this disease.
Xenazine is a new drug and is the first treatment of any kind approved in the United States for any symptom of Huntington’s disease. Currently there are no other drugs that are FDA-approved to treat chorea.
Serious side effects reported with use of Xenazine include depression and suicidal thoughts and actions
Induced stem cell lines may soon be available from Harvard
Darkfrog submitted, created time 4 weeks 2 days (sciencenow.sciencemag.org)
A few weeks ago, we talked about how researchers had been able to take a cell from an ALS patient and develop a working, research-quality pluripotent cell line. Well the next step has been taken.
I've been saying that induced pluripotent stem cells might become the preferred research model (over embryonic stem cells), but only if they became easier to obtain than embryonic stem cells. It looks as though that might happen soon. The Harvard Stem Cell Institute is dedicating an iPS core lab
Missing DNA Boosts Risk of Schizophrenia
sea-maid submitted, created time 1 month 3 days (sciencenow.sciencemag.org)
Two large studies of schizophrenia patients have yielded the most convincing evidence yet that the disease can be caused by mistakes in genes. The researchers linked a much higher risk for schizophrenia to three chromosomal regions that are missing chunks of DNA. Although only a tiny fraction of patients carried these particular glitches, similar errors may help explain other cases of the disease.
Induced stem cells become research model for ALS
Darkfrog submitted, created time 1 month 6 days (sciencenow.sciencemag.org)
Induced stem cells are coming into their own as a research model. Scientists at Harvard and Columbia have created a culture of motor cells from the skin of a patient known to be afflicted with amyotropic lateral sclerosis, also known as Lou Gherig's disease.
The patient has a rare form of ALS that is known to be caused by an inherited mutation. This represents only 2% of ALS patients. This may be significant because critics claim that partial replicants of the patient's nerve cells will be of little use as research models
Gene surveys identify schizophrenia triggers
sea-maid submitted, created time 1 month 6 days (www.nature.com)
Rare genetic changes associated with a heightened risk of schizophrenia have been revealed by two independent studies.
The surveys have identified sections of the human genome that, when deleted, can elevate the risk of developing schizophrenia by up to fifteen times compared with the general population.
sea-maid submitted, created time 1 month 1 week (sciencenow.sciencemag.org)
A new study has found that older rats seem to replay previous events less and, as a result, have more trouble remembering than younger animals.
Could those memory problems be due to a decline in the brain's replay during sleep? How can these results be extrapolated to humans?
Brain electrodes tackle severe depression
sea-maid submitted, created time 1 month 1 week (www.nature.com)
Severely depressed patients who do not respond to conventional therapy may be helped by deep brain stimulation (DBS), according to the most-extensive study to date of the experimental procedure
Oxytocin may inhibit social phobia
kavin submitted, created time 1 month 1 week (www.news-medical.net)
Swedish and British scientists have shown using functional magnetic resonance imaging (fMRI) that the hormone oxytocin can inhibit feelings of anxiety in specific individuals. Their discovery might lead to a better understanding and the improved treatment of psychiatric affections in which people feel distressed when meeting others, such as in cases of autism and social phobia.
Oxytocin is a neuropeptide that is secreted by the body during massage, childbirth and breastfeeding to induce a calming, analgesic effect
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