Timely detection of possible symptoms of cognitive decline can help to better understand what is happening and make decisions more calmly, especially when changes are repeated or begin to generate doubts in the person or their environment.
Cognitive decline can manifest in different ways. Although memory is often one of the most visible areas, other abilities can also be affected, such as attention, language, orientation, planning, or decision-making.
In this article, we explain what the main symptoms of cognitive decline are, what the first signs can be, and how to detect cognitive decline in daily life.
What are the symptoms of cognitive decline?
The symptoms of cognitive decline are changes in one or several mental functions compared to the person's usual functioning. They can affect memory, attention, communication, reasoning, orientation, or the ability to perform daily tasks.
Cognitive decline should not be associated only with "forgetting things." The NHS, the UK's public health system, includes among the early symptoms related to cognitive problems memory loss, difficulty concentrating, problems performing routine tasks, difficulty following conversations or finding words, confusion with time or place, and mood swings.
In some cases, these symptoms are subtle and appear gradually. The person may need more time to do routine tasks, have more difficulty following a conversation, or rely more on notes and reminders. In other cases, the close environment may detect changes before the person themselves.
The key is to observe if these symptoms are new, if they are repeated frequently, if they increase over time, or if they begin to interfere with autonomy.
First signs of cognitive decline
The first signs of cognitive decline can vary from person to person. Not all of them always appear, nor with the same intensity. However, there are some changes that should be monitored, especially when they represent a clear difference from the person's usual functioning.
Changes in recent memory
One of the most common signs is difficulty remembering recent information. It can appear as repeating questions, forgetting conversations, appointments or tasks, frequent loss of objects, or an increasing need for reminders.
The National Institute on Aging explains that some older adults may have more memory or thinking problems than others their age, even if they continue to perform their daily activities. It also reminds us that more serious memory problems can be due to mild cognitive impairment, dementia, or other factors different from normal aging.
When the main concern is forgetfulness or difficulty remembering recent information, it may be useful to expand the information in our article on memory loss, causes, symptoms, and warning signs, where we explain what factors can influence memory and what signs should be monitored.
Difficulty maintaining attention
Cognitive decline can also affect attention. The person may be easily distracted, lose the thread of an activity, have more difficulty concentrating on reading, or need more effort to follow a long conversation.
This type of change can be confused with fatigue, stress, or lack of interest. Therefore, it is important to assess whether it occurs occasionally or if it persists over time and affects different situations in daily life.
Problems finding words or following conversations
Another sign can be difficulty finding words, naming objects, expressing an idea clearly, or keeping up with a conversation. The person may get stuck, use imprecise words, or lose the thread of what they were saying.
It is not about forgetting a word in isolation, which can happen at any age, but about observing if these problems appear frequently, hinder communication, or represent a change from the usual way of expressing oneself.
Disorientation in familiar situations
Disorientation can appear when a person gets confused with dates, times, familiar places, or usual routines. They may also have more difficulty finding their way in a familiar environment or remembering how to get to a place they have been to before.
This type of sign should be carefully considered when it appears in contexts that were previously familiar or when it is accompanied by other changes in memory, language, or organizational ability.
Difficulty organizing daily tasks
Another possible sign is difficulty planning, organizing, or completing routine tasks. It can be noticed when preparing a meal, managing payments, following instructions, organizing medication, shopping, or solving small daily problems.
What is relevant is not that a person has an isolated oversight, but that these difficulties appear repeatedly or represent a clear change from how they used to perform these activities. When they begin to interfere with autonomy, it is advisable to discuss it with a healthcare professional to assess the situation.
Changes in mood or behavior
Cognitive decline does not always manifest only through memory. Changes in mood, behavior, or the way of relating can also appear. The person may become more irritable, insecure, apathetic, anxious, distrustful, or withdrawn.
These changes can have many causes and do not always indicate cognitive decline, but they should be taken into account if they appear alongside other symptoms, if they are persistent, or if they represent a clear change from usual behavior.
How to detect cognitive decline
To know how to detect cognitive decline, the most useful thing is to observe the evolution of the changes and their impact on daily life. It is not just about identifying an isolated forgetfulness, but about assessing whether there is a pattern: if the episodes are repeated, if they increase over time, or if they affect tasks that the person previously performed without difficulty.
It is also important to compare the changes with the person's usual functioning. Not all people have the same memory, the same ease of organization, or the same mental speed. Therefore, what is relevant is to detect if there is a clear difference from their previous level.
It can help to write down what changes appear, since when they occur, in what situations they occur, and if they affect activities such as conversations, appointments, medication, shopping, errands, orientation, or household chores. This information can be very useful if a healthcare professional is subsequently consulted.
In a professional assessment, detection is not based on a single isolated sign. The process may include a clinical interview, review of medical history, assessment of daily functioning, cognitive tests, and, when necessary, other complementary tests. According to the NHS, the assessment process may include memory tests, blood tests, and imaging tests, although no single test alone confirms dementia.
What to do if signs of cognitive decline appear
If signs of cognitive decline appear, the most important thing is not to jump to conclusions. Some changes may be related to fatigue, stress, insufficient sleep, medications, nutritional deficiencies, or other causes that should be assessed.
When the signs are persistent, progressive, or begin to interfere with daily life, it is advisable to consult a healthcare professional. An adequate assessment allows for reviewing the medical history, medications, general state of health, the evolution of the changes, and, if necessary, performing cognitive or complementary tests.
The Ministry of Health, in its document on the approach to Alzheimer's and other dementias, highlights the importance of comprehensive and coordinated care within the National Health System. In this sense, going to a healthcare professional allows for better guidance in each case, establishing adequate follow-up and adapting support measures to the needs of each person.
Based on this assessment, cognitive care should be adapted to each person. It may include medical follow-up, review of habits, family support, cognitive stimulation, control of health factors and, when it fits within a global strategy, the support of food supplements such as FontUp®, formulated with EGCG from green tea extract to support daily cognitive care.
