Weekly Neuroscience Update

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Researchers have demonstrated a universal decoding system in humans that determines how we perceive vibrations of different frequencies through touch.

A new study by researchers at the University of Eastern Finland is the first to observe that dietary intake of phosphatidylcholine is associated with a reduced risk of dementia. Phosphatidylcholine was also linked to enhanced cognitive performance. The main dietary sources of phosphatidylcholine were eggs and meat. The findings were published in the American Journal of Clinical Nutrition.

Scientists have identified a group of proteins that help to regenerate damaged nerve cells. Their findings are reported in the journal Neuron.

Difficulty sleeping in a new environment is so common that neuroscientists have a name for it: the ”first-night effect” (FNE). New research shows FNE is basically the neurological equivalent of sleeping with one eye open. When you go to sleep for the first time in a new environment only half of your brain really rests, according to a study recently published in Current Biology.

Rhythms in gene expression in the brain are highly disrupted in people with schizophrenia, according to a new study.

Moderate exercise is not only good for memory as people age, it also appears to help prevent the development of physical signs of Alzheimer’s, known as biomarkers, in those who are at risk for the disease, according to research presented at the annual convention of the American Psychological Association.

Finally this week, a new study identifies 69 genes linked to increased autism risk, including 16 new genes previously not believed to be associated with ASD.

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