Dementia - Symptoms and causes - Mayo Clinic
WEBDementia 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.
What Is Dementia? Symptoms, Types, and Diagnosis
WEBSigns 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.
What Happens to the Brain in Alzheimer's Disease?
WEBAlzheimer’s disrupts processes vital to neurons and their networks, including communication, metabolism, and repair. At first, Alzheimer’s usually damages the connections among neurons in parts of the brain involved in memory, including the entorhinal cortex and hippocampus.
Alzheimer's disease - Symptoms and causes - Mayo Clinic
WEBJul 10, 2024 · Alzheimer's disease causes the brain to shrink and brain cells to eventually die. Alzheimer's disease is the most common cause of dementia — a gradual decline in memory, thinking, behavior and social skills. These changes affect …
Dementia: Symptoms, Types, Causes, Treatment & Risk Factors
WEBMar 12, 2022 · Dementia affects your brain’s nerve cells, which destroys your brain’s ability to communicate with its various areas. Dementia can also result from blocked blood flow to your brain, depriving it of needed oxygen and nutrients.
What is Dementia? Symptoms, Causes & Treatment | alz.org
WEBDiseases 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.
Dementia: Stages, Causes, Symptoms, and Treatments - WebMD
WEBJul 4, 2024 · Delirium is a sudden severe change in your brain function. Much like dementia, it causes confusion, disorientation, and problems with thinking and memory. Delirium typically comes on quickly,...
Dementia - Diagnosis and treatment - Mayo Clinic
WEBDiagnosis. To diagnose the cause of dementia, a health care professional must recognize the pattern of loss of skills and function. The care professional also determines what the person is still able to do. More recently, biomarkers have become available to make a more accurate diagnosis of Alzheimer's disease.
Understanding Different Types of Dementia - National Institute on Aging
WEBSep 25, 2023 · Dementia is an umbrella term used to describe a range of neurological conditions affecting the brain that get worse over time. To share the image, right-click on it and select "save image as" to save the file to your computer.
Dementia - World Health Organization (WHO)
WEBMar 15, 2023 · Dementia is a syndrome that can be caused by a number of diseases which over time destroy nerve cells and damage the brain, typically leading to deterioration in cognitive function (i.e. the ability to process thought) beyond what might be expected from the usual consequences of biological ageing.