Definition of dementia
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 person's ability to carry out routine daily activities. — The Journal of the American Medical Association
dementialplay \-shəl\ adjective
Examples of dementia in a Sentence
This patient suffers from dementia.
a new study on age-related dementias
Recent Examples of dementia from the Web
Most of the women — in their late 70s at the youngest — are suffering from severe dementia, but the reminders from bygone days trigger memories and skills once thought lost, and produce surprising levels of happiness and comfort.
While there’s no cure yet, research institutions worldwide are trying to find better ways to treat the disease, delay its onset and improve the quality of life for dementia patients.
Evergreen Health Care Center will soon be opening a brand new 30-resident dementia unit.
The two groups were matched for age and overall typing speed and excluded people with dementia.
Herbert Michael Sr., a Navy veteran and insurance agent who found his passion in retirement volunteering with Howard County police, died of dementia May 22 in hospice care in Southern Maryland.
About 5.5 million people 65 years and older have the disease - a wretched and fatal form of dementia that erases memories and ultimately can destroy mental and physical capacity.
Michael Sloss’ mother was diagnosed with dementia about five years ago, and his father a year after that.
But, rather surprisingly, few past studies had examined whether exercise might also improve brain function in people with vascular dementia.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dementia'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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)
Seen and Heard
What made you want to look up dementia? Please tell us where you read or heard it (including the quote, if possible).