You’ve been commuting home from work along the same route for five years. But recently, while stopped at a traffic light, you find yourself struggling to remember whether to turn left or right.
Such moments make you wonder: are memory lapses a normal occurrence, a sign of declining cognitive function, or the early stages of dementia?
Some Forgetfulness is Normal
When this happens repeatedly, it’s easy to think that age-related decline is to blame. Just like the rest of our bodies, brain cells “shrink” as we get older. They form fewer connections with other neurons and produce fewer of the chemicals necessary to send messages to other neurons.
However, not all memory lapses are linked to aging. In many cases, the reasons are more trivial, such as fatigue, anxiety, or distraction.
Memory experts Oliver Baumann and Cindy Jones from Bond University (Australia) say that a certain level of forgetfulness is perfectly normal.
Our memory system is designed so that some forgetting is completely natural. It’s not a flaw but a feature. Retaining a vast array of information consumes metabolic resources, and an overload of information can make it harder to retrieve memories from the depths of our minds.
Unfortunately, we don’t always get to decide what’s important to remember. Our brains do that for us. Typically, they prioritize social information (political news, the latest gossip) while easily discarding abstract information (like numbers).
Memory becomes a problem when lapses start to interfere with everyday life.
If you can’t remember where to turn on the road, that’s not a big deal. However, if you forget why you’re driving, where you need to go, or even how to drive, those aren’t normal. These are signs of something serious that warrants further examination, according to ScienceAlert.
Mild Cognitive Impairment
The stage between age-related memory loss and more serious decline is called mild cognitive impairment. The degree of impairment can remain stable, improve, or worsen.
This condition indicates an increased risk of future neurodegenerative diseases, such as dementia. Each year, about 10-15 percent of people with mild cognitive impairment develop dementia.
Those on this transitional threshold may gradually lose the ability to handle everyday tasks. The situation can worsen over time. The process of memory loss can sometimes be accompanied by difficulties with speech, thinking, and decision-making. Such a diagnosis is a reason to consult a specialist.
Early Marker of Alzheimer’s
Memory issues that cause navigation problems are considered an early marker of Alzheimer’s — the most common type of dementia. Magnetic resonance imaging (MRI) often shows that the areas of the brain crucial for recalling our spatial environment are among the first to be affected by this degenerative disease.
Thus, increasingly frequent memory lapses may serve as a warning sign of more pronounced difficulties in the future.
Experts emphasize that if memory lapses are persistent, it’s essential to seek help from a doctor. Early detection of the problem will enable specialists to more effectively address the disorder.
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