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A recently-recognized pathologic protein in the brain may play a larger role in the development of clinical Alzheimer’s disease dementia than previously recognized, according to a new study of nearly 1,000 older adults.

Researchers report they have identified a protein that enables a toxic natural aggregate to spread from cell to cell in a mammal’s brain — and a way to block that protein’s action. Their study in mice and cultured cells suggests that an immunotherapy …

Our brains hold on to memories via physical changes in synapses, the tiny connections between neurons. Unexpected molecular mechanisms by which these changes take place have now been revealed by new research.

A mouse study reveals that hunger may be a stronger motivating force than a number of other driving states, including fear, anxiety, and social needs.

A study using a new imaging method has revealed that, surprisingly, cocaine accumulates in the eyes of zebrafish. The findings indicate that chemicals – especially psychoactive drugs – need to be assessed quite differently with waterborne exposure …

Lethal interpersonal violence is a particular feature of primates and is likely to have been inherited by humans during the course of evolution, finds a new study published in Nature.

Guidelines previously updated once a decade now will be modified as discoveries are made, experts report. The most recently updated guidelines provide recommendations for 18 monitoring and treatment topics for patients with severe traumatic brain injur…

Doctors are testing a new drug that aims to improve surgical outcomes by acting as a molecular flashlight that allows surgeons to visibly distinguish a tumor from normal brain tissue.

Doctors are testing a new drug that aims to improve surgical outcomes by acting as a molecular flashlight that allows surgeons to visibly distinguish a tumor from normal brain tissue.

In a new study, researchers investigated what parts of the brain may be involved in deciding if something is worth the effort. The team found a relevant pattern of activity in three areas of the brain, the supplementary motor area (SMA), dorsal anterio…