How Memory Works

Memory is the complex mental process that allows us to encode, store and retrieve information, experiences and skills.

Memory is one of the most fascinating abilities of the human brain. It allows us to learn from experience, recognise people and places, and build a sense of who we are. However, memory is not a perfect recording of the past. Instead, scientists believe that remembering is an active process in which the brain stores, changes and reconstructs information.

Memory is the process of storing experiences in the brain and recalling them later. People use their memories during every moment of their lives. They must remember words and ideas to speak or to write. Even to walk or to eat, people remember the movements they learned as children.

Many scientists believe that there are two levels of memory. One level is short-term memory, or working memory. The other level is long-term memory, or permanent memory.

Scientists also think that there are different types of memory. These include motor-skill, factual, and emotional memory.

Our memories begin to develop very early in life, although most people have few memories from their first years. My earliest memory, for example, may be connected with a particular person, place or event, but it is difficult to know whether every detail is accurate. We may have a clear memory of an event while some of the smaller details have actually been changed over time. In other cases, we may have a vague memory of something without being able to remember exactly what happened.

Interestingly, memories can vary greatly in their intensity. People often have a vivid memory of important or emotional experiences, such as their first day at school or a memorable journey. At the same time, they may have a distant memory of ordinary events from the same period. Strong emotions can make certain experiences easier to remember, which is one reason why some memories remain with us for many years.

There are also significant differences between individuals. Some people have a good memory for names, faces or numbers, while others have a terrible memory for this type of information. A person who constantly forgets where they have left their keys might jokingly say that they have a memory like a sieve. At the other end of the scale, some people appear to have a photographic memory and can remember an unusually large amount of visual information.

Fortunately, memory is not completely fixed. There are ways to improve your memory, particularly when learning new information. Repetition is useful, but scientists also recommend connecting new information with things we already know. Another useful technique is to visualise information by creating a mental picture of it. Students, for example, can memorise vocabulary more effectively if they associate new words with images, situations or personal experiences.

Sometimes, however, the information is already in our memory but we simply cannot access it immediately. We may know that we have met someone before but be unable to remember their name. A photograph, a familiar smell or a few words from another person can jog your memory and help bring the information back.

Memory can also change throughout our lives. As people grow older, some may gradually lose their memory, particularly their ability to remember new information. However, forgetting a name or misplacing something does not necessarily mean that there is a serious problem. The brain naturally forgets information that it considers less important.

Perhaps the most important lesson from memory research is that forgetting is not always a weakness. The human brain has to select what is worth keeping and what can be allowed to disappear. In this sense, memory is not simply a storehouse of information. It is a complex system that helps us understand the past, learn from experience and prepare for the future.

Task 1. Read the text and choose the correct answer.

What is the main idea of the text?
a) People should try to remember everything that happens to them.
b) Memory is a complex process that can change and can be improved.
c) Scientists have discovered exactly how human memory works.
d) Older people always have serious problems with their memory.
Why is it difficult to know whether our earliest memories are completely accurate?
a) We usually forget the people involved.
b) Memories from childhood are always unpleasant.
c) Some details may have changed over time.
d) Children cannot remember emotional experiences.
What can make a memory particularly strong?
a) Repetition
b) Strong emotions
c) Old photographs
d) Learning new vocabulary
What does “have a memory like a sieve” mean?
a) To remember visual information very well
b) To remember only important events
c) To forget things easily
d) To have a very unusual memory
Which technique does the text recommend for learning new information?
a) Avoiding repetition
b) Learning everything at once
c) Creating mental pictures
d) Ignoring information that seems difficult
What can “jog your memory”?
a) Only written information
b) A photograph, a smell or another person’s words
c) A difficult examination
d) Forgetting someone’s name
According to the text, what happens as some people grow older?
a) They automatically lose all their memories.
b) They may find it more difficult to remember new information.
c) They develop a photographic memory.
d) They stop learning new things.
What does the final paragraph suggest?
a) Forgetting can be a normal and useful part of memory.
b) The brain should remember everything.
c) Memory becomes unnecessary as we get older.
d) Scientists have found a way to prevent forgetting.

Task 2. Answer the questions

Why is memory described as an active process?
Why might two people remember the same event differently?
What is the difference between a vivid memory and a vague memory?
What are two ways of improving your memory mentioned in the text?
Why can a smell or photograph help someone remember something?
Why isn’t forgetting necessarily a sign of a serious problem?
Why does the writer compare memory to a system rather than a storehouse?

Task 3. Find words or expressions in the text that mean:

the ability to remember people’s names, faces, etc. well
to remember something extremely clearly
to remember something from a long time ago only slightly
to forget things very easily
to remember something almost exactly as you saw it
to make an effort to remember information
to help someone remember something
to create a picture of something in your mind
to learn something so that you can remember it
to gradually stop being able to remember things

Task 5. Complete each sentence with one of the expressions from the box. Use each expression once.

earliest memory • have a clear memory of • have a distant memory of • have a good memory for • have a memory like a sieve • have a photographic memory • have a terrible memory for • have a vague memory of • have a vivid memory of • improve your memory • jog your memory • lose your memory • memorise • visualise

My __________ is of sitting in my grandmother’s kitchen when I was about three.
I __________ my first day at school because I remember exactly what my classroom looked like.
I __________ my primary school, but I cannot remember many details about my teachers.
My brother __________ faces, but he is hopeless at remembering people’s names.
Don’t ask me to remember dates. I __________ them!
Tom never remembers where he puts his phone. He __________.
Some people seem to __________ and can remember pages of information after looking at them once.
I __________ seeing a strange building somewhere, but I can’t remember where it was.
I still __________ of my first trip abroad. I can remember the sights, sounds and even the smell of the sea.
There are several simple techniques you can use to __________, such as repetition and making connections between ideas.
Looking at old photographs can sometimes __________ and help you remember details from your childhood.
If you want to learn a long list of words, you may need to __________ them.
One useful learning technique is to __________ the information as a picture in your mind.
Some medical conditions can cause people to __________, particularly information they have recently learned.