Researchers Want to Restore ‘Good Noise’ in Older Brains

Aging people lose variation in brain oxygen levels—a sign of declining cognitive flexibility. A new drug study probes whether that loss can be reversed.

Researchers Want to Restore ‘Good Noise’ in Older Brains
Aging people lose variation in brain oxygen levels—a sign of declining cognitive flexibility. A new drug study probes whether that loss can be reversed.