Chapter 15 - Disorders of Aging and Cognition Flashcards
age range when memory or attention issues seems to increase
60-70 years old
age-related cognitive decline
the normal instances of memory difficulties and lapses of attention that the DSM-5-TR considers normal
memory issues that do not have biological causes fall under this category
dissociative disorders
the typical cause of cognitive problems late in life
biological causes
delirium
a major disturbance in attention and orientation to the environment
what can the confusion caused by delirium sometimes lead to?
misinterpretations, illusions, and sometimes hallucinations
how long does it take delirium to develop?
hours or days
percent of non-elderly population that experiences delirium
0.5%
percent of people over 50 years old that experience delirum
1%, 14% over 85 years old
percent of elderly people that enter the hospital with symptoms of delirium
10%
percent range of people who develop delirium during their hospital stay
10-20%
percent of elderly who are admitted to surgery that develop delirium
17%
percent of elderly that are admitted suddenly for acute surgery
23%
percent range of nursing home residents with some delirium
18-50%
what can cause delirium?
fever, certain diseases and infections, poor nutrition, head injuries, strokes, stress (including the trauma of surgery), and intoxication by certain substances
why can delirium often be difficult to treat?
it is hard to detect
the cognitive functions that are affected in a person with a neurocognitive disorder
planning, memory, attention, visual perception, decision-making, language ability, or social awareness
when is a diagnosis of major neurocognitive disorder needed?
when a person’s cognitive decline is substantial and significantly interferes in their ability to live independently
when is a diagnosis of minor neurocognitive disorder needed?
when a person’s cognitive decline is modest and does not interfere with independent functioning
number of people in the world with a neurocognitive disorder
50 million
number of new cases of neurocognitive disorders
10 million
expected number of people with neurocognitive disorders by 2050
150 million
percent of people 65 years old with a neurocognitive disorder
1-2%
percent of people 85 years old with a neurocognitive disorder
50%