What Is Working Memory? A Simple Guide With Examples

Working memory is one of the most important parts of everyday thinking.

You use it when you follow instructions, solve a problem, read a sentence, remember directions, do mental maths, or hold a thought in your head while deciding what to do next.

It is not the same as having a “good memory” in general. Working memory is more specific. It is your brain’s ability to hold information in mind and use it at the same time.

In this guide, we’ll explain what working memory is, how it works, simple examples, why it matters, and how to support it.

What is working memory?

Working memory is your brain’s short-term mental workspace.

It helps you temporarily hold information in mind while doing something with it.

For example, working memory helps you:

remember a phone number long enough to type it in
follow a set of instructions
keep track of steps in a maths problem
understand a sentence while reading
compare two options before making a decision
remember what someone just said while planning your reply
hold a question in mind while searching for the answer

A simple way to think about it is:

Short-term memory stores information for a moment. Working memory works with that information.

So if someone says, “Turn left at the library, then take the second right,” short-term memory helps you hold the words. Working memory helps you use them to navigate.

Working memory examples

Working memory is involved in many everyday tasks. You may not notice it when it is working well, but you often feel it when it becomes overloaded.

Example 1: Mental maths

Imagine someone asks you to calculate:

27 + 48

To solve this in your head, you might:

hold 27 in mind
split 48 into 40 and 8
add 27 + 40
remember 67
add the final 8
reach 75

That process uses working memory because you are not just storing numbers. You are actively manipulating them.

Example 2: Reading comprehension

When you read a sentence, your brain has to remember the beginning of the sentence while making sense of the end.

For example:

The student who had revised every evening for two weeks felt calm when the exam finally started.

To understand the sentence, you need to keep track of who the sentence is about, what they did, and what happened next.

Working memory helps you connect those pieces into meaning.

Example 3: Following instructions

If someone says:

Open the app, go to settings, tap notifications, and turn off email alerts.

You need to hold each step in mind while completing the previous one. If you get distracted halfway through, you may forget what came next.

That is a working memory challenge.

Example 4: Learning something new

Working memory is heavily involved when you are learning because new information has not yet become automatic.

For example, when learning a new language, you may need to remember:

a new word
its pronunciation
its meaning
where it fits in a sentence

That can quickly fill up your mental workspace.

As you practise, some parts become easier and require less conscious effort.

Example 5: Conversations

In conversation, working memory helps you remember what the other person just said, connect it to what you know, and plan your response.

This is one reason conversations can feel harder when you are tired, stressed, distracted, or trying to multitask.

Working memory vs short-term memory

Working memory and short-term memory are closely related, but they are not exactly the same.

Type of memory	What it does	Example
Short-term memory	Holds information briefly	Remembering a code for a few seconds
Working memory	Holds and uses information	Remembering the code while comparing it with another code

Short-term memory is more like a temporary notepad.

Working memory is more like a temporary notepad plus a mental editor, calculator, and organiser.

That is why working memory is so important for learning, reasoning, problem-solving, and focus.

How does working memory work?

One influential model of working memory describes it as having several parts that work together.

You do not need to memorise these terms, but they can help make the idea clearer.

1. The phonological loop

The phonological loop deals with sounds, words, and verbal information.

You use it when you repeat a phone number in your head, remember someone’s name, or silently rehearse a sentence before saying it.

Example:

Repeating “7-2-9-4” in your head long enough to type it into a form.

2. The visuospatial sketchpad

The visuospatial sketchpad deals with images, patterns, locations, and visual information.

You use it when you picture a route, remember where something is on a screen, or imagine how objects fit together.

Example:

Remembering where the matching cards are in a memory game.

3. The central executive

The central executive is like the manager of working memory.

It helps direct attention, switch between tasks, ignore distractions, and decide what information matters.

Example:

Solving a problem while ignoring background noise.

4. The episodic buffer

The episodic buffer helps combine information from different sources into a single meaningful picture.

For example, if you are listening to a story, you need to combine words, meaning, context, memory, and imagination. The episodic buffer helps bring those pieces together.

Why is working memory important?

Working memory matters because it supports many of the mental skills we use every day.

It helps with:

learning
reading comprehension
mental arithmetic
problem-solving
decision-making
attention
planning
following instructions
conversation
self-control

When working memory is under pressure, even simple tasks can feel harder.

For example, trying to follow directions while checking your phone, listening to music, and worrying about being late can overload your working memory. The information may be simple, but there is too much competing for your attention.

What affects working memory?

Working memory is limited. Everyone has a maximum amount they can hold and use at once.

That limit can change depending on the task and your current state.

Common things that can affect working memory include:

Distraction

Notifications, background conversations, open tabs, and multitasking all compete for attention. The more distractions you have, the less space is available for the task.

Stress

Stress can make it harder to hold information in mind, especially when you feel rushed or under pressure.

Tiredness

Poor sleep can make working memory feel weaker. You may lose your train of thought, reread the same paragraph, or forget what you were about to do.

Task difficulty

The harder or less familiar a task is, the more working memory it usually needs.

When something becomes automatic through practice, it usually takes up less working memory.

Information overload

Long instructions, dense paragraphs, complex problems, and cluttered screens can all overwhelm working memory.

This is why breaking information into smaller steps can make a task feel easier almost immediately.

Signs your working memory may be overloaded

Working memory overload does not always mean you have a poor memory. Often, it means the task is asking your brain to hold too much at once.

Signs of working memory overload include:

forgetting the next step in a task
losing your place while reading
needing instructions repeated
making careless mistakes
struggling to do mental maths
forgetting why you opened a tab or walked into a room
feeling mentally “full”
finding multitasking unusually difficult

These experiences are common, especially when you are tired, stressed, or distracted.

If memory problems are sudden, severe, worsening, or disrupting daily life, it is a good idea to speak with a qualified health professional.

Can you improve working memory?

You can support working memory in two main ways:

reduce unnecessary mental load
practise using your mental workspace more effectively

Working memory has limits, so the goal is not to force your brain to hold everything at once. Often, the best approach is to make tasks easier for your brain to manage.

1. Break information into chunks

Chunking means grouping information into meaningful units.

For example, this is hard to remember:

149217761945

This is easier:

1492 – 1776 – 1945

The information is the same, but the second version is grouped into chunks.

Chunking reduces the number of separate pieces your working memory has to manage.

2. Write things down

Writing things down frees up working memory.

Instead of trying to hold every step in your head, use a checklist, note, calendar, or study plan.

This is not cheating. It is smart cognitive support.

3. Remove distractions

Before a demanding task, close extra tabs, silence notifications, and clear your workspace.

Working memory depends heavily on attention. Protecting your attention protects your working memory.

4. Use active recall

Active recall means trying to retrieve information from memory instead of only rereading it.

For example, after reading a section of notes, close the page and ask:

What were the three main points?

This makes your brain practise finding and using information.

5. Use spaced repetition

Spaced repetition means reviewing information over increasing time intervals.

Instead of cramming everything in one session, you review after a day, then a few days, then a week.

This helps move information into long-term memory, which can reduce pressure on working memory later.

6. Practise focused memory tasks

Memory games and working memory exercises can help you practise attention, recall, sequencing, and pattern recognition.

However, it is important to be realistic. Getting better at a specific memory game does not automatically mean every part of memory or intelligence will improve. The most useful approach is to combine brain training with sleep, exercise, active recall, spaced repetition, and real-world learning.

Working memory and studying

Working memory is especially important for students because studying often requires you to hold and use several pieces of information at once.

For example, when studying biology, you might need to remember:

a term
its definition
how it connects to a process
how to apply it to an exam question

That is a lot of mental work.

To make studying easier on working memory:

study in short, focused sessions
test yourself instead of only rereading
use diagrams for complex ideas
break big topics into smaller chunks
explain ideas out loud
review information over time
avoid multitasking while studying

A useful rule:

If a topic feels overwhelming, make the information smaller, clearer, and more active.

Working memory and focus

Working memory and focus are closely linked.

Focus helps decide what enters working memory. Working memory helps you keep that information active long enough to use it.

When your attention keeps switching, working memory has to reload the task again and again. This is why multitasking can make you feel slower, even if you are technically doing more than one thing.

For tasks that require memory, learning, or problem-solving, single-tasking is usually better.

Working memory and long-term memory

Working memory and long-term memory work together.

Working memory handles what you are thinking about right now. Long-term memory stores knowledge, skills, facts, and experiences over time.

The more knowledge you have stored in long-term memory, the easier many tasks become.

For example, a beginner chess player may struggle to remember the position of many pieces. An experienced player can recognise familiar patterns, which reduces the load on working memory.

This is one reason practice matters. Practice helps move patterns into long-term memory, freeing up working memory for higher-level thinking.

Simple working memory exercises

Here are a few simple exercises that use working memory.

Number recall

Read a sequence of numbers, look away, and repeat them back.

Start with four digits:

6 – 2 – 9 – 1

Then try five, six, or seven digits.

Backward recall

Read a short sequence and repeat it backwards.

Example:

4 – 8 – 2

Answer:

2 – 8 – 4

This is harder because you have to hold and manipulate the information.

Mental updating

Start with a number, then do small calculations in your head.

Example:

Start at 10. Add 3. Subtract 2. Add 7. What is the answer?

This trains you to keep track of changing information.

Visual pattern recall

Look at a simple pattern, cover it, then recreate it.

This uses visual working memory.

Direction recall

Read a short set of directions and repeat them back.

Example:

Go left, then right, then straight, then second left.

This uses verbal and spatial working memory together.

How to support working memory every day

You can make working memory easier to use by improving the conditions around it.

Try this:

sleep well
take short breaks during demanding work
exercise regularly
reduce unnecessary distractions
use checklists
organise information visually
practise retrieval
avoid cramming
do one demanding task at a time

The goal is not to hold more and more in your head. The goal is to build systems that help your brain use information better.

FAQ

What is working memory in simple terms?

Working memory is your ability to hold information in mind and use it at the same time. It helps you follow instructions, solve problems, read, learn, and make decisions.

What is an example of working memory?

A simple example is doing mental maths. If you calculate 34 + 18 in your head, you need to hold the numbers, break them apart, remember intermediate steps, and produce the answer.

Is working memory the same as short-term memory?

No. Short-term memory holds information briefly. Working memory holds information and actively uses it. They are related, but working memory is more active.

Why is working memory important for learning?

Working memory helps you connect new information, follow explanations, solve problems, and remember what you are doing. If working memory is overloaded, learning feels harder.

Can working memory be improved?

You can support working memory by reducing distractions, breaking information into chunks, using active recall, spacing out revision, sleeping well, and practising focused memory tasks.

Some training may improve performance on similar tasks, but broad real-world benefits should not be overstated.

What affects working memory?

Working memory can be affected by distraction, stress, tiredness, task difficulty, information overload, poor sleep, and multitasking.

How is working memory used in daily life?

You use working memory when following directions, remembering what someone just said, reading, studying, solving problems, cooking from a recipe, comparing options, or doing mental maths.

Final thoughts

Working memory is one of the most important parts of everyday thinking. It helps you hold information in mind, work with it, and use it to understand, decide, solve, and learn.

Because working memory is limited, the best strategy is not to overload it. Use notes, chunks, routines, active recall, spaced repetition, and focused practice to make information easier to handle.

If you want to train your memory in a simple, focused way, try a short NeuroLifts memory session and see how well you can hold, update, and recall information under gentle pressure.

Start brain training for free

References

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https://pmc.ncbi.nlm.nih.gov/articles/PMC4207727/
Cowan, N. The magical number 4 in short-term memory: A reconsideration of mental storage capacity.
https://pubmed.ncbi.nlm.nih.gov/11515286/
Baddeley, A. Working memory: theories, models, and controversies.
https://pubmed.ncbi.nlm.nih.gov/21961947/
Baddeley, A. The episodic buffer: a new component of working memory.
https://pubmed.ncbi.nlm.nih.gov/11058819/
Buschkuehl, M., Jaeggi, S. M., & Jonides, J. Neuronal effects following working memory training.
https://pmc.ncbi.nlm.nih.gov/articles/PMC6987667/
NeuroLifts: How to Improve Memory: 8 Science-Backed Ways to Remember More.
https://neurolifts.com/learn/memory/how-to-improve-memory-8-science-backed-ways-to-remember-more/
NeuroLifts: Do Brain Training Games Actually Improve Memory?
https://neurolifts.com/learn/memory/do-brain-training-games-actually-improve-memory/
NeuroLifts: Active Recall to Remember More While Studying.
https://neurolifts.com/learn/memory/how-to-use-active-recall-to-remember-more-of-what-you-study/
NeuroLifts: Spaced Repetition to Remember More While Studying.
https://neurolifts.com/learn/memory/spaced-repetition-to-remember-more-while-studying/
NeuroLifts: The Best Memory Techniques to Remember More of What You Study.
https://neurolifts.com/learn/memory/best-memory-techniques-to-remember-more-of-what-you-study/
NeuroLifts: Mindfulness for Memory.
https://neurolifts.com/learn/memory/mindfulness-for-memory/
NeuroLifts: Can’t Focus While Studying? 7 Brain-Based Fixes That Work.
https://neurolifts.com/learn/focus/cant-focus-while-studying-7-brain-based-fixes-that-work/