Remembering a phone number, finding your way without GPS, memorizing an important date, or mentally retaining information heard a few hours earlier: these actions once seemed perfectly ordinary. Today, some of them have become optional. Our smartphones, search engines, digital calendars, and navigation apps can remember for us.

This transformation does not necessarily mean that our memory is disappearing. Rather, it suggests that the way we remember is evolving. Sometimes we know a piece of information less precisely, but we know much better where and how to find it. This digital memory, which relies on constant interaction between our cognitive abilities and external tools, is therefore changing our relationship with knowledge.

The real question is probably not whether we should accept or reject technology. Rather, it is about determining which abilities we want to continue exercising ourselves and which ones can safely be entrusted to our devices.

It is precisely this search for balance that allows us to view digital technology not as the enemy of memory, but as a tool capable of complementing it.

When Our Smartphone Becomes an External Memory

Human beings have always used external media to preserve information. Writing, books, notebooks, calendars, and libraries have all, in their time, considerably expanded the possibilities of individual memory.

The smartphone continues this history, but with one major difference: it concentrates an enormous amount of information into a single object that is accessible almost instantly.

Why memorize a route when GPS can guide us? Why remember an appointment when our calendar will automatically remind us? Why learn a specific piece of information if a search engine can retrieve it in seconds?

This cognitive delegation is sometimes associated with what is known as digital amnesia: we tend to remember certain information less well when we know that it will remain easily accessible through a device or the Internet.

However, this phenomenon deserves to be viewed with nuance. Externalizing information is not automatically synonymous with cognitive loss. Freeing our memory from certain pieces of information can also allow us to devote more mental resources to reflection, problem-solving, or creativity.

After all, we have never tried to memorize everything. The brain constantly selects the information it considers important. Digital technology simply adds a new possibility: deciding that a piece of information can be stored elsewhere.

The problem arises more when this delegation becomes automatic. If every piece of information is immediately entrusted to a device, our brain has fewer opportunities to encode it, consolidate it, and then retrieve it.

The issue of memory and technology therefore lies less in the use of tools than in the way we use them.

Attention and Memory: The Real Challenge of Screens

To create a lasting memory, we must first have paid sufficient attention to the information.

Yet our digital environment is particularly effective at fragmenting that attention. Notifications, messages, videos, news, and work-related demands can follow one another within minutes. We then move rapidly from one task to another with the impression that we can handle several activities simultaneously.

For memory, this fragmentation can become problematic.

Information processed only superficially is less likely to be properly encoded. It therefore becomes more difficult to retrieve later. When we constantly check our smartphone while reading, attending a class, or having a conversation, it is not necessarily the screen itself that weakens our long-term memory: it is also the interruptions it causes.

Imagine two people reading the same text for twenty minutes. The first remains focused on the reading. The second regularly checks messages, responds to a notification, and then looks up information online before returning to the text.

Both have technically spent twenty minutes with the document. Yet their learning conditions are very different.

The second person must repeatedly reconstruct the mental context of what they were reading. This succession of interruptions can make assimilation more difficult.

Protecting our memory in the digital age therefore also means protecting our attention.

This can involve extremely simple decisions: disabling non-essential notifications, keeping your phone away during a period of work, setting aside a specific time for messages, or completing one task before opening another application.

The goal is not to eliminate digital technology, but to regain control over when it demands our attention.

GPS, Search Engines, and AI: What Should We Still Memorize?

Digital tools also force us to reconsider what is truly worth memorizing.

Take GPS. It is a tremendous aid: it reduces the risk of getting lost, makes it easier to travel through unfamiliar places, and allows us to immediately adapt a route to traffic conditions.

But systematically following instructions without observing our surroundings does not engage the same mechanisms as mentally constructing a route.

The same reasoning can be applied to search engines and digital assistants. Getting an answer in a few seconds is extraordinarily convenient. But finding information is not always the same as understanding it, and understanding an idea once does not necessarily mean that we will be able to recall it tomorrow.

This is where an essential distinction emerges: accessing knowledge and possessing knowledge are two different things.

We need information that is immediately available in our memory in order to reason. Someone who already masters the fundamental concepts of a field can make connections, evaluate a new idea, or identify an inconsistency much more easily than someone who has to search for each element separately.

Conversely, memorizing every piece of information we might be able to access would be unnecessary and unrealistic.

An intelligent use of digital memory therefore involves distinguishing between fundamental knowledge, frequently used information, and occasional data.

Knowledge that is essential to our work, studies, or understanding of the world benefits from being assimilated and memorized. Frequently used information can gradually become automatic. As for occasional data, such as an address, a timetable, or a rarely consulted reference, it can perfectly well be entrusted to a digital tool.

This approach transforms technology into an extension of our memory rather than a permanent substitute for it.

Can Digital Technology Also Protect Our Cognitive Abilities?

The relationship between technology and cognitive decline is often presented in a very negative way. Yet the scientific reality is more complex.

Recent research examining the relationship between digital technology use and the cognitive abilities of middle-aged and older adults notably invites us to reconsider the idea that digital tools mechanically lead to cognitive deterioration.

This nuance is fundamental.

Using a computer, learning how to use a new application, communicating with other people, or actively searching for information can engage different abilities: attention, problem-solving, learning, and adaptation.

In other words, not all digital uses are equal.

Passively scrolling through a stream of content for an hour does not necessarily engage the same cognitive processes as writing a text, learning a language, conducting research, creating a presentation, or solving a problem with the help of a computer.

This is why it is more relevant to consider the quality of digital use than simply the number of hours spent in front of a screen.

Technology can become a stimulating environment when it leads us to learn, create, communicate, and solve problems. It becomes more problematic when it imposes a constant succession of interruptions or systematically replaces every effort to retrieve information from memory.

How to Build an Augmented Memory in Everyday Life

There is no need to give up your smartphone or memorize your entire schedule in order to exercise your brain. A few habits can help maintain a more active relationship with information.

Write certain information by hand. Taking handwritten notes generally requires us to select, reformulate, and organize what we want to retain. Instead of simply recording information, we already begin to process it.

Try to remember before searching. Before immediately turning to a search engine, give yourself a few seconds to retrieve the information mentally. This effort of recall is itself a useful exercise.

Use spaced retrieval. Rereading information several times can easily create an impression of mastery. Trying to recall it without looking, then repeating the exercise after increasingly longer intervals, engages memory more actively.

Create interruption-free periods. When learning a complex subject, thirty minutes of genuine concentration can be more useful than a much longer period interrupted by notifications and switching between applications.

Occasionally use GPS as a way to check your route. In a familiar environment, try to plan your route before starting navigation. GPS can then serve as a safety net rather than completely replacing your spatial representation.

Turn consumption into production. After watching a video, reading an article, or listening to a podcast, try to summarize its three main ideas without consulting the source. This small constraint transforms passive consumption into active retrieval.

Choose what you externalize. A digital calendar is excellent for keeping track of appointments. A notes application is ideal for archiving references. But the fundamental ideas required for your work, studies, or projects benefit from becoming genuine knowledge that is mentally available.

All these habits are based on the same principle: use digital technology after or alongside cognitive effort, rather than systematically in its place.

A smartphone can record information; we can decide to understand it. GPS can indicate a direction; we can continue to observe our surroundings. A search engine can provide an answer; we can take the time to integrate it into our knowledge.

This distinction could become even more important as digital assistants and artificial intelligence make access to information increasingly fast.

The question “Where can I find this information?” is gradually becoming less important. On the other hand, knowing how to analyze an answer, place it in context, compare it with what we already know, and assess its reliability is becoming essential.

Human memory should therefore not compete with machines. It should retain precisely what enables us to use them effectively.

This is the whole point of augmented memory: entrusting tools with the tasks they perform efficiently while continuing to exercise attention, reasoning, orientation, and the retrieval of important knowledge.

To explore this reflection on digital amnesia, smartphones and memory, and ways of reconciling technological tools with cognitive abilities in greater depth, How Our Memories Are Modified by Digital Technology by Léwis Verdun offers a nuanced approach, informed by recent research and accompanied by practical strategies.

Rather than fighting technology, the book encourages us to learn how to consciously decide what we want to delegate to it. It is a particularly timely reflection at a time when smartphones, search engines, and artificial intelligence are playing an increasingly important role in our relationship with knowledge.

Discover How Our Memories Are Modified by Digital Technology by Léwis Verdun now on FIVE MINUTES and learn how to make digital technology an ally of your memory rather than a substitute for it.