Medical Definition of dementia. : a usually progressive condition (as Alzheimer's disease) marked by the development of multiple cognitive deficits (as memory impairment, aphasia, and inability to plan and initiate complex behavior)
https://www.merriam-webster.com/dictionary/dementia
People with dementia may have problems with short-term memory, keeping track of a purse or wallet, paying bills, planning and preparing meals, remembering appointments or traveling out of the neighborhood. Many dementias are progressive, meaning symptoms start out slowly and gradually get worse.
http://www.alz.org/what-is-dementia.asp
Paying for care in Northern Ireland. Many people with dementia will need care and support as their condition progresses. This is often a mix of care from family, friends and professionals. Paid care can take a number of different forms, including providing personal care at home, helping someone get dressed or at meal-times, and supporting them to get to work or go shopping.
https://www.alzheimers.org.uk/site/scripts/documents_info.php?documentID=100
or Alzheimer disease. noun, Pathology. 1. a common form of dementia, believed to be caused by changes in the brain, usually beginning in late middle age, characterized by memory lapses, confusion, emotional instability, and progressive loss of mental ability. Also called Alzheimer’s.
http://www.dictionary.com/browse/alzheimer-s
Alzheimer's and dementia basics. Alzheimer's is the most common form of dementia, a general term for memory loss and other cognitive abilities serious enough to interfere with daily life. Alzheimer's disease accounts for 60 to 80 percent of dementia cases. Learn more: What We Know Today and Understanding Dementia.
https://www.alz.org/alzheimers_disease_what_is_alzheimers.asp
Alzheimers - a progressive form of presenile dementia that is similar to senile dementia except that it usually starts in the 40s or 50s; first symptoms are impaired memory which is followed by impaired thought and speech and finally complete helplessness. Alzheimer's, Alzheimer's disease.
http://www.thefreedictionary.com/Alzheimers
1 : a usually progressive condition (such as Alzheimer's disease) marked by the development of multiple cognitive deficits (such as memory impairment, aphasia, and the inability to plan and initiate complex behavior) … dementia is diagnosed only when both memory and another cognitive function are each affected severely enough to interfere with a ...
https://www.merriam-webster.com/dictionary/dementia
Dementia is not a specific disease. It's an overall term that describes a wide range of symptoms associated with a decline in memory or other thinking skills severe enough to reduce a person's ability to perform everyday activities. Alzheimer's disease accounts for 60 to 80 percent of cases.
http://www.alz.org/what-is-dementia.asp
Medical Definition of Dementia. Dementia: Significant loss of intellectual abilities, such as memory capacity, that is severe enough to interfere with social or occupational functioning. Criteria for the diagnosis of dementia include impairment of attention, orientation, memory, judgment, language, motor and spatial skills, and function. By definition, dementia is not due to major depression or schizophrenia. Alzheimer's disease is the most common cause of dementia.
http://www.medicinenet.com/script/main/art.asp?articlekey=2940
Alzheimer's disease (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time. It is the cause of 60% to 70% of cases of dementia. The most common early symptom is difficulty in remembering recent events (short-term memory loss).
https://en.wikipedia.org/wiki/Alzheimer%27s_disease
alzheimer's meaning
Alzheimer's is a chronic neurodegenerative disease that usually starts slowly and worsens over time. An alzheimer is a chronic neurodegenerative disease that usually starts slowly and worsens over time.