Tag Archives: amyloid

Is Sleep Loss an Early Sign of Alzheimer’s?

By: Dr. Pascale Michelon

Disrupted sleep could be an early indicator of  Alzheimer’s disease, even before any memory loss or other symptoms appear. Although sleep problems are common for people diagnosed with the disease, a new study is among the first to link early dementia and sleep problems in humans. Continue reading

Diagnosing Alzheimer’s with a Brain Scan

By: Dr. Pascale Michelon

Most of you have heard that Alzheimer’s Disease can only really be diagnosed after death. What does that mean? And is it still the case?

Diagnosis after Death
The hallmark of Alzheimer’s Disease is the accumulation of beta-amyloid and tau protein in the brain that forms plaques and tangles respectively. These prevent neurons from communicating and functioning normally, which results in connection and neuronal loss. Until very recently, amyloid plaques could be determined only after death, by examining the brain during an autopsy. Continue reading