Neuroscience

Seeing the brain's electrical activity

Neurons in the brain communicate via rapid electrical impulses that allow the brain to coordinate behavior, sensation, thoughts, and emotion. Scientists who want to study this electrical activity usually measure these signals ...

Alzheimer's disease & dementia

Imaging technique shows Alzheimer's disease progress

Using 'Raman' optical technology, scientists of the University of Twente, can now produce images of brain tissue that is affected by Alzheimer's disease. The images also include the surrounding areas, already showing changes.

Neuroscience

Mechanism explains how seizures may lead to memory loss

Although it's been clear that seizures are linked to memory loss and other cognitive deficits in patients with Alzheimer's disease, how this happens has been puzzling. In a study published in the journal Nature Medicine, ...

Genetics

Unexpected findings uncover new understanding of gene expression

Northwestern Medicine scientists have discovered that the catalytic activity of the fly enzyme Trr and mammalian MLL3/MLL4—members of the COMPASS family of proteins central to gene expression—is not required for proper ...

Health

How much water do you really need?

(HealthDay)—You might have heard that drinking 8 glasses of water a day has health benefits that range from weight loss to brighter skin. You might also have heard that's a myth. In fact, there are no national health guidelines ...

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