• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index


Dementia, or major neurocognitive impairment as it is now referred to in the Diagnostic and Statistical Manual, Fifth Edition (DSM-5), is a broad term that refers to a class of acquired neurocognitive disorders in which there is a decline in cognitive functioning from an individual’s baseline level. To be considered dementia, the level of impairment must be significant enough to interfere with the individual’s ability to independently manage activities of daily living. Dementia is a disorder that develops over time, with known prodromal or preclinical stages that precede this diagnosis. A disorder in which individuals have an increased risk for dementia diagnosis is mild cognitive impairment (MCI), or what is now referred to as minor neurocognitive disorder in the DSM-5. This entry first discusses the ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles