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Instability of brain activity during sleep and anesthesia underlies the pathobiology of Alzheimer’s disease, study finds

A new study revealed a pathological brain activity that precedes the onset of Alzheimer’s first symptoms by many years: increased activity in the hippocampus during anesthesia and sleep, resulting from failure in the mechanism that stabilizes the neura…

Growth charts for the brain help to explain mental illness

Researchers have developed a set of growth charts for the brain. These ‘brain charts’ provide reference models for brain development and ageing across the entire human lifespan, based on a very large data set. These models can be used to make personali…

Finding structure in the brain’s static

Researchers found that a monkey’s state of attentiveness may be encoded in the shapes and speeds of slow electrical waves that course over the surface of the brain. Like a surfer that avoids smooth water and favors more active waves, the brain uses fas…

A neuron that tracks landmarks helps rats know where they are

Visual landmarks enable an animal to know where it is oriented in relation to its environment. Researchers have identified a new type of neuron in the rat brain, which appears to help facilitate this type of visual and spatial processing.

New imaging method reveals causes of cerebral oedema

Cerebral oedema is a dangerous complication in many brain-related conditions such as strokes. Researchers have now developed a new measurement method that enables a better understanding of the cellular causes of cerebral oedema. According to a new stud…

‘Traveling’ nature of brain waves may help working memory work

The act of holding information in mind is accompanied by coordination of rotating brain waves in the prefrontal cortex, a phenomenon which might confer specific advantages, a new study suggests.

Researchers discover new way to target secondary breast cancer that has spread to the brain

A study has revealed a potential new way to treat secondary breast cancer that has spread to the brain, using existing drugs.

Why the human brain is more vulnerable to disease

With the help of cerebral organoids, scientists were able to ascertain that tuberous sclerosis, a rare neurodevelopmental genetic disorder, arises developmentally rather than only genetically. With these patient-derived laboratory models of the human b…

Another pandemic challenge for nurses: Sleep problems

More than half of nurses had difficulty sleeping during the first six months of the COVID-19 pandemic — and getting less sleep increased their odds of experiencing anxiety and depression, according to a new study.

Research reveals new links between brain over-activity and schizophrenia symptoms

New research has shown that over-activity in a specific area of the brain is linked to certain symptoms of Schizophrenia, opening up possibilities for the development of more targeted treatments.