Neuroscience

Structural dynamics underlying memory in aging brains

(Medical Xpress)—When the brains of those who have succumbed to age-related neurodegeneration are analyzed post-mortem, they typically show significant atrophy on all scales. Not only is the cortex thinner and sparser, ...

Neuroscience

How cognition changes before dementia hits

Individuals with mild cognitive impairment, especially of the "amnestic subtype" (aMCI), are at increased risk for dementia due to Alzheimer's disease relative to cognitively healthy older adults. Now, a study co-authored ...

Neuroscience

Baby neurons in adult brains are needed to maintain memory: Study

A quarter-century ago, researchers discovered that adults, not just developing infants, can generate new brain cells, a process called neurogenesis. But it's still not clear what role these new neurons play in health or disease.

page 1 from 12