Medical research

Novel insight into chromosome 21 and its effect on Down syndrome

A UCL-led research team has, for the first time, identified specific regions of chromosome 21, which cause memory and decision-making problems in mice with Down syndrome, a finding that provides valuable new insight into ...

Alzheimer's disease & dementia

Brain stimulation shows promise for Alzheimer's disease in early trial

Scientists in the US have found that electrically stimulating regions of the brain in three people with Alzheimer's disease was safe and appeared to show an effect on thinking skills and day-to-day tasks in two of the volunteers. ...

Psychology & Psychiatry

Study: Pupil size shows reliability of decisions

Te precision with which people make decisions can be predicted by measuring pupil size before they are presented with any information about the decision, according to a new study published in PLOS Computational Biology this ...

Psychology & Psychiatry

Explore or exploit: How our brains make choices

People make countless choices every day. It may be a difficult, complex choice—whether to take the job in a new city or stay in a current position—or be as simple as choosing between visiting a new restaurant or going ...

Health

Research shows sleep loss impedes decision making in crisis

The difference between life and death in the operating room, on the battlefield or during a police shootout often comes down to the ability to adapt to the unexpected. Sleep deprivation may make it difficult to do so, according ...

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