Health News

Nerve cells in the human brain can ‘count’

How do we know if we’re looking at three apples or four? Researchers at the Universities of Bonn and Tübingen are now one step closer to answering this question. They were able to demonstrate that some brain cells fire mainly for quantities of three, others for quantities of four and others for other quantities. A […]

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Misfolded proteins serve as ‘inherited memory’ of toxic insults

Protein aggregates have a bad reputation in conditions such as Alzheimer’s disease and Parkinson’s disease, but in bacteria, inheritance of aggregates by daughter cells may help protect against the same toxic stresses that triggered them in parental cells, according to a new study publishing 28 August in the open access journal PLOS Biology, by Sander […]

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Effects of deep brain stimulation in patients with Parkinson’s disease: Improved effects on motor function and fewer side effects possible

Researchers from Charité — Universitätsmedizin Berlin have studied motor and cognitive effects of deep brain stimulation in patients with Parkinson’s disease. Their results show that the adverse cognitive effects of deep brain stimulation are linked to a different neural pathway than that responsible for the treatment’s desired motor effects. This finding will help optimize treatments […]

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Traumatic brain injury recovery via petri dish: Synchronized brain-like activity created, recorded and influenced by electrical stimulation

Researchers in the University of Georgia’s Regenerative Bioscience Center have succeeded in reproducing the effects of traumatic brain injury and stimulating recovery in neuron cells grown in a petri dish. This makes them the first known scientific team in the country to do so using stem cell-derived neurons. The procedure, detailed in a new paper […]

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How the brain biases beliefs: Proposed neural circuit may underlie motivation to cling to desirable notions about the future

People’s motivation to cling to desirable notions about future outlooks results from interactions between prefrontal cortex regions, according to a human neuroimaging study published in JNeurosci. Bojana Kuzmanovic and colleagues uncovered circuits in the brain that support belief updating by asking participants to estimate their own and a peer’s likelihood of experiencing an adverse life […]

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Discovery presents treatment hope for Alzheimer’s and other neurodegenerative diseases

There is new hope for the treatment of Alzheimer’s and other neurological diseases following a ground-breaking discovery made by an Australian-Chinese research collaboration. Researchers from the University of South Australia and the Third Military Medical University in China have discovered a signal pathway within cells, and also invented a potential drug that could stop degeneration […]

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Brain iron levels may predict multiple sclerosis disabilities

A new, highly accurate MRI technique can monitor iron levels in the brains of multiple sclerosis (MS) patients and help identify those at a higher risk for developing physical disability, according to a study published in the journal Radiology. MS is a disease that attacks three critical components of the central nervous system: the neurons […]