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neurofibrillary tangles

Researcher Annabelle Singer models an experimental visor and earphones that play 40 Hertz light and sound. The current study was performed on mice. The pictured device is in human testing as a possible Alzheimer's treatment. Results from those tests are to be published in later studies separate from the current study in mice. Credit: Georgia Tech / Allison Carter
Flickering Light Mobilizes Brain Chemistry That May Fight Alzheimer’s

The hope of flickering light to treat Alzheimer's takes another step forward in this new study, which reveals stark biochemical mechanisms.
The brain of an Alzheimer's sufferer can dramatically lose mass and shrink. In particular, center structures of the brain usually diminish early on. One such region susceptible to early and severe damage is the hippocampus, which can lead to memory loss and disorientation. Illustration credit: National Institute on Aging, National Institutes of Health
Data Detectives Shift Suspicions in Alzheimer's from Usual Suspect to Inside Villain

It may be high time to refocus Alzheimer's research, as a new study strongly points to a biochemical culprit traditionally less pursued.