What Happens to the Brain in Alzheimer's Disease?
In people with Alzheimer’s, there is some evidence suggesting decreased neurogenesis in areas of the brain involved in memory and learning. Neurons are a major player in the central nervous system, but other cell types are also key to healthy brain function.
Normal Brain vs. Brain With Dementia | US News - US News Health
2019年8月2日 · Protein plaques and tangles infiltrate the brain in Alzheimer's. For more than a century, scientists have been staining brain sections with silver to visualize the amyloid plaques and tau...
Inside the Brain - Brain Basics | Alzheimer's Association
Brain parts and functions in an interactive tour – learn about the effects of Alzheimer's and dementia on memory and other human brain functions. Get information and resources for Alzheimer's and other dementias from the Alzheimer's Association.
Dementia - Symptoms and causes - Mayo Clinic
Dementia is caused by damage to or loss of nerve cells and their connections in the brain. The symptoms depend on the area of the brain that's damaged. Dementia can affect people differently. Dementias are often grouped by what they have in common.
Dementia: Symptoms, Types, Causes, Treatment & Risk Factors
Dementia develops when the parts of your brain involved with learning, memory, decision-making or language are affected by infections or diseases. The most common cause of dementia is Alzheimer’s disease. But other known causes of dementia include: Vascular dementia. Dementia with Lewy bodies. Frontotemporal dementia. Mixed dementia.
What is Dementia? Symptoms, Causes & Treatment | alz.org
Diseases grouped under the general term "dementia" are caused by abnormal brain changes. Dementia symptoms trigger a decline in thinking skills, also known as cognitive abilities, severe enough to impair daily life and independent function. They also affect behavior, feelings and relationships. Alzheimer's disease accounts for 60-80% of cases.
What Is Dementia? Symptoms, Types, and Diagnosis
Signs and symptoms of dementia result when once-healthy neurons (nerve cells) in the brain stop working, lose connections with other brain cells, and die. While everyone loses some neurons as they age, people with dementia experience far greater loss.