This article examines cognitive functioning, how the brain works, typical function versus cognitive decline, mild impairment, dementia, and ways to improve cognitive function.

WASHINGTON :Neuroscientists have produced the largest wiring diagram and functional map of a mammalian brain to date using tissue from a part of a mouse's cerebral cortex involved in vision, an ...

The blood-brain barrier is like a gatekeeper for your brain. Tightly packed endothelial cells lining the inside of the brain’s blood vessels work as a filter to keep harmful things out and hold ...

Krakencoder: a unified brain connectome translation and fusion tool. Nature Methods, 2025; DOI: 10.1038/s41592-025-02706-2 ...

To better understand these effects on the brain, Mehta and her colleagues used MRI to measure brain volume in 208 individuals and fMRI to measure brain function in 174 individuals. Participants either ...

The team's next step is to treat patients with drugs which specifically stimulates the 5HT 4 receptor to see the effect on cognitive function; interestingly, serotonin is also found in the gut ...