Alzheimer's disease & dementia

Decreased deep sleep linked to early signs of Alzheimer's disease

Poor sleep is a hallmark of Alzheimer's disease. People with the disease tend to wake up tired, and their nights become even less refreshing as memory loss and other symptoms worsen. But how and why restless nights are linked ...

Medical research

Sleep shows how risk-seeking people may be

Each person has their own individual sleep profile which can be identified by the electrical brain activity during sleep. Researchers at the University of Bern have now demonstrated that the brain waves during periods of ...

Medications

Study shows hydroxychloroquine's harmful effects on heart rhythm

The malaria drug hydroxychloroquine, which has been promoted as a potential treatment for COVID-19, is known to have potentially serious effects on heart rhythms. Now, a team of researchers has used an optical mapping system ...

Neuroscience

Synchronized brain waves enable rapid learning

The human mind can rapidly absorb and analyze new information as it flits from thought to thought. These quickly changing brain states may be encoded by synchronization of brain waves across different brain regions, according ...

Neuroscience

Memory accuracy and strength can be manipulated during sleep

The sense of smell might seem intuitive, almost something you take for granted. But researchers from NYU Langone Medical Center have found that memory of specific odors depends on the ability of the brain to learn, process ...

Neuroscience

Rhythmic control of 'brain waves' can boost memory: study

Controlling the frequency of 'brain waves' could help to improve people's recall of memories and potentially provide a key to unlock conditions such as Alzheimer's disease, according to a new article.

page 7 from 40