Neuroscience

Astrocytes eat connections to maintain plasticity in adult brains

Developing brains constantly sprout new neuronal connections called synapses as they learn and remember. Important connections—the ones that are repeatedly introduced, such as how to avoid danger—are nurtured and reinforced, ...

Neuroscience

Noninvasive way to explore traumatic brain injuries

A noninvasive method to measure the stiffness parameters along fibrous pathways within the brain is helping researchers explore traumatic brain injuries. The stiffness of these tissues can reveal clues about changes and pathologies ...

Cardiology

Maintaining heart health may protect against cognitive decline

People with a higher risk of developing cardiovascular disease have increased cognitive decline, including an increase in typical markers of Alzheimer's disease, suggesting that monitoring and controlling for heart disease ...

Alzheimer's disease & dementia

Sleep-disordered breathing tied to brain changes

(HealthDay)—Sleep-disordered breathing (SDB) is associated with changes in the brain, including amyloid deposition in brain regions typically involved in Alzheimer disease, according to a study published online March 23 ...

Neuroscience

How brain networks change with age

As we age, our bodies change, and these changes extend into our brains and cognition. Although research has identified many changes to the brain with age, like decreases in gray matter volume or delayed recall from memory, ...

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