Your mind is central to your identity. The sharpness of your thinking, your ability to communicate and connect with others, and the rich trove of memories you’ve collected over a lifetime all have enormous value.
As you get older, you may notice changes in some of your thinking skills, including cognitive decline. Cognitive decline is the gradual loss of thinking abilities such as:
- paying attention
This article explores how your cognitive abilities can change later in life. It also provides some practical guidance to help you keep your brain healthy as you age.
Cognitive decline looks different from person to person. That may be because people vary in their health profiles, life circumstances, and capabilities. Still, some patterns have emerged from the research.
People with mild cognitive decline might:
- have trouble finding the right words to express themselves, especially when compared with others of the same age
- lose or misplace things
- forget appointments and scheduled events
- become overwhelmed by complex tasks and projects
Keep in mind that typical forgetfulness is
When to see a doctor
If you notice any of these signs, it may be time to visit a healthcare professional:
- You get lost in once-familiar areas.
- You become frustrated with communication difficulties.
- You experience mood or personality changes, such as more anxiety or aggression.
- You ask the same questions over and over.
- You have trouble recognizing friends and family members.
A doctor can help you determine whether you’re experiencing typical signs of aging or symptoms of cognitive decline. They may assign you a brief self-screening test to check for symptoms of cognitive decline.
Self-Administered Gerocognitive Examination (SAGE) and other screening tests
There are several screen tests that you can use to check for signs of cognitive decline. These tests usually take about 3 to 15 minutes. They include:
- Self-Administered Gerocognitive Examination (SAGE)
- AD8 Dementia Screening Interview
- Quick Dementia Rating System (QDRS)
SAGE is one of the most common screening tests. You can download the test online and complete it at home. You can also take it to a doctor’s office to complete.
SAGE differs from the other tests in that it is slightly more complex. A
Note that these quick tests are not enough to diagnose cognitive decline or dementia on their own. If your score shows some decline, it may be a sign for a doctor to do a more thorough evaluation.
In an evaluation, doctors often use neuropsychological tests to see whether your thinking and memory skills are changing. Some of the most common tests are:
- Mini-Mental State Examination (MMSE)
- Montreal Cognitive Assessment (MoCA)
- Sahlgrenska Academy Self-Reposed Cognitive Impairment Questionnaire (SASCI-Q)
- Subjective Cognitive Decline Questionnaire (SCD-Q)
- Memory Complaint Questionnaire (MCQ)
- Everyday Cognition (ECog)
- Clinical Dementia Rating (CDR) Scale
- 6-Item Cognitive Impairment Test (6-CIT)
- Hong Kong Brief Cognitive Test (HKBC)
Some of these tests are relatively new. More research is needed to understand how well they predict or measure cognitive decline.
A doctor might order a blood test to see if something else — like hypothyroidism or a B12 deficiency — may be causing a change in your thinking abilities.
Brain imaging, such as magnetic resonance imaging (MRI), may help a doctor determine whether something like a stroke or brain tumor is at the root of your symptoms.
Researchers are also looking into
The above tests may be able to detect changes in your brain up to
There are many reasons you may experience age-related changes in thinking and memory. Sometimes, another health condition may be the cause. Examples include:
- high blood pressure
- vascular (blood vessel) disease
- sleep deprivation
Sometimes, a neurological condition such as Alzheimer’s Disease or frontotemporal dementia is the underlying cause.
Your genes and family history also play a role in whether you will experience cognitive decline as you get older. Genes may be responsible for up to
Each person is different. Your health behaviors have some influence on your brain function as you age.
It’s important to know that not everyone with cognitive decline will later have dementia.
The study also found that race and education level affect the age of onset.
For many Black and Latinx people in the United States, cognitive decline may begin
People with higher education levels tend to experience cognitive decline at a later age. This may be because they stay active mentally and have more social connections later in life, researchers said. They may also have greater access to healthcare and earlier treatment of medical problems.
Genes and family history are major risk factors for cognitive decline. But other factors may also lead to faster or more noticeable decline. These include:
Some of these factors you can control, and some you can’t. Try working with a healthcare team to create a plan to stay healthy — mentally and physically.
Some age-related cognitive changes are tied to your genetics. There may not be much you can do to change that risk factor. But there are many other ways to keep your brain healthy and preserve your ability to think.
Here are a few
If you experience cognitive decline, will you develop Alzheimer’s Disease (AD)?
Not necessarily. The National Institute on Aging estimates that just
Can you reverse cognitive decline?
It depends on what’s causing the changes. If your symptoms are related to an underlying health condition, such as sleep deprivation, treating the cause may reduce your symptoms.
How is depression related to cognitive decline?
It may be a two-way street.
There isn’t yet enough research to suggest a causal link. But researchers do suggest that treating depression might help prevent dementia. Still, more research is needed.
Is there a link between hearing loss and cognitive decline?
Hearing loss is a
It’s also a modifiable risk factor. That means that treating hearing loss could help to slow cognitive decline.
As you get older, you may notice changes in your ability to remember, communicate, and reason. For many people, these changes are mild and are a regular part of aging. For others, forgetfulness, language difficulties, and confusion can disrupt day-to-day living.
If you think cognitive decline may be affecting your mood, personality, or ability to function, a healthcare professional can help you determine whether you’re at risk for more significant brain changes. Self-assessment tests like SAGE can help you and your doctor track your cognition over time.
To keep your brain healthy as you age, eat a healthy diet, exercise regularly, and stay active mentally and physically. You can’t control risk factors like your genetics, but taking good care of your mind and body can make a big difference to healthy aging.
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