Neuroscience

Neurotransmitter orexin influences pupil size, research shows

The way the brain regulates pupil size is different from previously thought: fundamentally responsible is the neurotransmitter orexin, as researchers at ETH Zurich have now shown. This discovery could well alter our understanding ...

Alzheimer's disease & dementia

New study reveals how blood triggers brain disease

In patients with neurological diseases like Alzheimer's disease and multiple sclerosis, immune cells in the brain known as microglia that normally fulfill beneficial functions become harmful to neurons, leading to cognitive ...

Neuroscience

How a highly unstable protein may lead to neurodegeneration

EPFL scientists have reproduced key features of pathological protein aggregates found in the brain of patients with Lou Gehrig's disease and other neurological diseases, providing insight into the underlying mechanism and ...

Neuroscience

Exploring the mechanisms behind swallowing

Sensory cells in the vagus nerve can detect and locate food in the esophagus. Their signals help transport the food onward to the stomach. Signal failure leads to swallowing disorders, say a team led by Carmen Birchmeier ...

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