Silent strokes occur without symptoms, yet have the potential to severely impair memory and brain health. A silent stroke is usually the result of a clot forming in a tiny artery supplying blood to a “silent” part of the brain. These areas don’t control vital functions, such as speech or walking, which is why the interruption of blood flow doesn’t result in obvious symptoms. But a person can experience multiple silent strokes, which can start to reveal themselves through memory lapses and mood changes.
To continue reading this article, you must login
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.