Neurons in the memory-associated entorhinal cortex of super-agers are significantly larger than their cognitively average peers, those with MCI, and even in people up to 30 years younger. Additionally, these neurons contained no signs of Tau, a hallmark of Alzheimer's disease.
Behavioral changes in men later in life including apathy and having false beliefs was associated with a risk of faster cognitive decline.
Researchers describe using low current electrical stimulation on specific areas of the brain to enhance distinct memories.