What are the characteristics of cognitive health in the elderly?

From the frontline perspective of cognitive screening for the elderly in the community, the core characteristics of cognitive health for the elderly that are currently generally recognized in the industry are to maintain cognitive functions that match one's own age, maintain complete autonomy in life, and have no pathological cognitive decline beyond the scope of normal aging. This is by no means "healthy only if you are not forgetful at all" as everyone mistakenly believes.

The 78-year-old Aunt Zhang who met at a community free clinic last week is a typical example. She occasionally forgets to bring her access card when going out, and she can't remember the full name of her new square dance teammate. However, she can clearly calculate the expenses of AA activities for more than 20 people in the team at a glance. She can also check the route and take the bus to pick wild vegetables in the suburbs. She can even follow short videos to learn new dishes to send to her granddaughter. The cognitive score measured by the scale is completely within the excellent range for the same age group, and she is not considered to have cognitive problems at all.

Of course, there are different voices in the academic community now. A group of scholars who are doing cognitive aging research believe that emotional regulation ability should also be included in the judgment criteria of cognitive health. After all, we have encountered many elderly people in clinical practice. The core indicators such as memory and orientation are all normal, but they often fail to do so. Being trapped in anxiety and depression, and even stubbornly quarreling with family members over trivial matters, is essentially a slight abnormality in the cognitive control module of the brain. However, there is currently not enough large-sample data to support this view, and it has not yet been included in a universal judgment standard.

Through daily contact, you will find that most cognitively healthy elderly people have a common characteristic, that is, the ability to accept new things is online. Even if they are slower in learning to use smartphones and self-service payment machines, they can figure out the way after following the prompts two or three times. They will not be taught ten or eight times and still be completely confused. This is actually a manifestation of the brain's executive function and learning ability being maintained in good condition. Oh, yes, another point that is easily confused by everyone is the slight decline in episodic memory caused by normal aging. For example, you can't remember whether you went to the supermarket last week or what you ate the day before. As long as you are not confused about important things, can distinguish time and place, recognize relatives and friends, and can turn around and realize that you just forgot something, it all falls into the category of cognitive health. There is no need to worry about getting Alzheimer's disease every time you forget something.

Some scholars also proposed that active social willingness should be included in the reference dimension of cognitive health. They said that if an elderly person used to go out to play chess and square dance, but suddenly does not like to go out for several months, and even refuses to go when invited by his old friends, even if the cognitive test score is qualified, it may be an early signal of cognitive decline. However, current clinical and community screening still uses "whether you can complete daily life independently and whether social functions are impaired" as the core judgment basis. These newly proposed dimensions are still being verified in long-term cohort studies and will not be used as a standard to determine cognitive health for the time being.