Ideas from Darren

Can Learning a New Language Help Keep Your Brain Healthy? The Science of Neuroplasticity and Language Learning

Learn a Language, Brighten Your Brain

What if learning just a few words in another language could do more than help you communicate when travelling?

What if the experience could also challenge your memory, attention, concentration and ability to learn?

Many people associate learning a foreign language with school.

They remember vocabulary tests, grammar exercises and the embarrassment of trying to pronounce unfamiliar words in front of classmates.

For some, those memories are enough to discourage them from ever trying again.

But language learning is not simply an academic subject.

It is an activity that involves several different cognitive processes working together.

When you learn a new language, you are listening to unfamiliar sounds, remembering new vocabulary, recognising patterns and developing ways to express yourself.

And because the human brain retains the capacity to learn throughout life, learning a new language can be a meaningful way to engage your brain at any age.

But can language learning actually improve brain health?

Could it support neuroplasticity?

And is there any truth to the suggestion that speaking more than one language might help protect against cognitive decline?

Let’s explore what neuroscience tells us, what remains uncertain and why it is never too late to begin.

1. What Happens to Your Brain When You Learn a New Language?

Learning a new language is a complex activity.

It involves more than remembering a list of words.

You must learn to recognise unfamiliar sounds, connect words with meanings, understand sentence structures and retrieve information when you want to communicate.

Several brain networks contribute to these processes.

Regions in the temporal lobes are involved in aspects of language comprehension and auditory processing.

Frontal regions contribute to speech production, language control and other cognitive functions.

Memory systems also play important roles in learning and retaining new vocabulary.

As you practise, these systems work together to process unfamiliar information.

For example, imagine learning the Italian word grazie, meaning thank you.

You hear the word.

You attempt to pronounce it.

You connect it with its meaning.

And later, you try to remember it without looking at your notes.

This involves attention, auditory processing, memory and speech-related processes.

With repeated practice, you may become quicker and more confident at recognising and using the word.

Learning a language gives your brain opportunities to practise processing and retrieving unfamiliar information.

That is one reason language learning is so interesting from a neuroscience perspective.

2. The Connection Between Language Learning and Neuroplasticity

Neuroplasticity is the brain’s ability to change its structure, connections and functions in response to experience, learning and other influences.

It is one of the biological foundations of learning.

When we repeatedly practise unfamiliar skills, neural networks involved in those activities can adapt.

Research examining second-language learning has identified changes in aspects of brain structure and function associated with language experience.

These findings support the idea that language learning engages neuroplastic processes.

However, the nature and extent of these changes vary depending on factors such as age, proficiency, learning intensity and previous language experience.

It would be misleading to suggest that learning ten words automatically creates a measurable improvement in overall brain health.

But learning a language provides a structured opportunity to engage in sustained learning.

You encounter unfamiliar information.

You practise retrieving it.

You receive feedback.

And you gradually develop new abilities.

This is closely connected to how experience-dependent neuroplasticity works.

Your brain does not need you to become fluent overnight. It needs meaningful opportunities to learn.

3. Can Learning a Language Improve Memory?

Memory plays a central role in language learning.

When learning vocabulary, you need to associate unfamiliar words with their meanings.

You may also need to remember pronunciation, grammatical rules and the context in which particular expressions are used.

Different forms of memory contribute to these activities.

Working memory helps us temporarily hold and manipulate information.

Long-term memory allows us to retain knowledge and retrieve it later.

Repeated practice can help strengthen our ability to remember particular words and phrases.

For example, if you learn five Spanish words today and revisit them over the following week, you are practising retrieval.

This is an important learning strategy.

Research on spaced practice and retrieval practice suggests that revisiting information over time and actively recalling it can improve retention.

But does learning a language improve memory in every area of life?

The evidence is less clear.

Becoming better at remembering vocabulary does not necessarily mean you will become better at remembering shopping lists, appointments or people’s names.

Researchers continue to investigate whether language learning produces broader cognitive benefits beyond the skills being practised.

The safest conclusion is that language learning provides meaningful opportunities to exercise memory-related processes, even though wider benefits are not guaranteed.

4. Can Learning a New Language Improve Concentration?

Language learning requires attention.

When listening to someone speaking an unfamiliar language, you may need to concentrate carefully to identify words and understand their meaning.

You must distinguish between similar sounds.

You may need to ignore distractions.

And you often have to hold information in mind while processing what comes next.

These activities engage attention and other cognitive processes.

For example, imagine listening to a short conversation in French.

At first, you might recognise only one or two words.

With practice, you begin identifying familiar expressions.

Eventually, you may understand the general meaning of the conversation.

Your improvement reflects growing language knowledge and listening skills.

However, the question of whether language learning produces broad improvements in concentration outside language-related tasks remains an active area of research.

Some studies report cognitive benefits associated with bilingual experience, while others find smaller or inconsistent effects.

This is an important distinction.

Language learning challenges attention, but it should not be advertised as a guaranteed way to improve every aspect of concentration.

5. Does Speaking Two Languages Make Your Brain Healthier?

The relationship between bilingualism and brain health has attracted considerable scientific interest.

Researchers have investigated whether speaking more than one language is associated with differences in cognitive performance, brain organisation and ageing.

Some studies have suggested that lifelong bilingual experience may contribute to what researchers call cognitive reserve.

Cognitive reserve refers to the brain’s ability to cope with age-related changes or neurological damage while maintaining aspects of cognitive functioning.

Researchers have explored whether experiences such as education, occupational complexity, social engagement and multilingualism contribute to this reserve.

Some observational studies have reported associations between bilingualism and later presentation of dementia symptoms.

However, findings are mixed.

Other studies have not identified consistent protective effects.

Differences in education, immigration history, socioeconomic circumstances, language proficiency and other factors can complicate interpretation.

Most importantly, learning a language has not been proven to prevent dementia.

It would therefore be inaccurate to promise that becoming bilingual will protect someone from Alzheimer’s disease or other neurological conditions.

Nevertheless, language learning remains a stimulating and potentially rewarding activity.

And maintaining opportunities for learning and social engagement is consistent with broader approaches to healthy ageing.

6. Is It Too Late to Learn a Language After 50?

Absolutely not.

Adults can learn new languages throughout life.

It is true that age can influence aspects of language acquisition.

For example, acquiring native-like pronunciation may be more difficult for some people who begin learning later in life.

Children and adults also differ in how they learn.

But adults have advantages of their own.

They often possess extensive knowledge, established learning strategies and a better understanding of their personal goals.

An adult learning Italian for a holiday may be highly motivated to remember useful expressions.

Someone learning German for work may already understand the professional situations in which they will use the language.

Another person may simply enjoy discovering unfamiliar words and cultures.

You do not need to speak five languages fluently to benefit from the experience of learning.

Even developing a basic conversational ability can be personally rewarding.

I started learning piano at 54.

That experience reinforced something I believe strongly: age should not automatically become the reason we stop exploring new possibilities.

The same applies to language learning.

You may learn differently at 60 than you did at 16.

But that does not mean learning has stopped being possible.

7. Why Learning a Language Is About More Than Brain Health

One of the most important things about language learning is that it offers benefits beyond cognitive activity.

It can open doors to different cultures.

It can make travel more enjoyable.

It can create opportunities for friendship.

And it can help us feel more connected to people whose experiences differ from our own.

Imagine arriving in a small café in Italy.

You greet the person behind the counter with buongiorno.

You order a coffee in Italian.

You thank them with grazie.

You may not be fluent.

You may make a mistake.

But you have made an effort to communicate.

And that small interaction can make the experience more meaningful.

Learning a language can also provide a sense of achievement.

Every new word represents something you did not know before.

Every successful conversation can help build confidence.

These benefits matter even when measurable improvements in general cognitive performance are uncertain.

Sometimes, the value of learning lies in how it enriches everyday life.

8. Why Making Mistakes Is Part of Language Learning

One of the biggest obstacles to learning a language is the fear of making mistakes.

People worry about pronouncing words incorrectly.

They fear using the wrong grammar.

They imagine someone laughing at their attempts.

But mistakes are a normal part of developing unfamiliar skills.

When you use an incorrect word and receive constructive feedback, you have an opportunity to improve.

When someone repeats a phrase more slowly, you can listen again.

When you forget vocabulary, you can practise retrieving it.

Learning involves repeated attempts, adjustments and feedback.

Of course, simply making mistakes does not guarantee improvement.

The quality of practice matters.

But avoiding conversation because you are afraid of getting something wrong can limit opportunities to learn.

A useful goal is not immediate perfection.

It is gradual improvement.

You don’t have to speak a language perfectly to begin communicating.

Sometimes, a few imperfect words can be the beginning of a wonderful conversation.

9. Why Small Daily Language Lessons Can Be Effective

Many people believe they need to spend hours studying to make progress.

But shorter, regular learning sessions can be useful.

Research on spaced learning suggests that distributing practice across time often improves long-term retention compared with concentrating the same amount of practice into a single session.

For example, practising vocabulary for ten or fifteen minutes on several days may be more manageable than attempting to memorise everything in one long session.

Short sessions can also help people develop a sustainable routine.

You might practise while having your morning coffee.

Review vocabulary during a lunch break.

Or listen to a short language lesson before dinner.

The important thing is to make learning realistic.

If your goal is too demanding, you may struggle to maintain it.

If the activity feels achievable and enjoyable, you may be more likely to continue.

Consistency is not a guarantee of fluency, but regular practice provides repeated opportunities to strengthen your knowledge.

10. Why Listening and Speaking Are Both Important

Language learning involves several related skills.

Reading helps us recognise written words.

Listening helps us process spoken language.

Speaking involves retrieving vocabulary and producing speech.

Writing provides opportunities to construct sentences and express ideas.

Each skill presents different challenges.

For example, you might recognise a Spanish word when you read it but struggle to remember it during conversation.

Or you may understand someone speaking slowly but find natural conversation difficult to follow.

This is normal.

Recognising information and producing it independently are not identical tasks.

A balanced approach to language learning can involve listening, speaking, reading and writing.

You might begin by hearing a word.

Then repeat it.

Next, read it in a sentence.

Finally, attempt to use it without looking at your notes.

These different activities provide varied opportunities to practise.

11. Can Learning a Language Help With Confidence and Resilience?

Learning a language can be challenging.

There will be words you forget.

Sounds you struggle to pronounce.

And conversations that move too quickly.

But these experiences can also provide opportunities to develop patience and confidence.

When you begin learning something unfamiliar, you are accepting that you will not immediately be good at it.

You are giving yourself permission to become a beginner.

That can be a valuable experience, particularly for adults who are accustomed to feeling competent in their professional and personal lives.

Each small achievement can provide encouragement.

You remember a phrase that previously seemed impossible.

You recognise a word in a film.

You successfully ask for directions while travelling.

These experiences may help you feel more confident about continuing.

Resilience does not mean forcing yourself through overwhelming difficulty.

It means developing constructive ways to respond to challenges.

And language learning offers many opportunities to practise patience, flexibility and persistence.

12. What About Language Learning After Brain Injury?

Following a brain injury, some people experience difficulties involving memory, attention, communication or fatigue.

The effects vary considerably.

For some individuals, learning unfamiliar information may become more demanding.

Others may experience specific language difficulties that require specialist assessment and rehabilitation.

Language learning should not be presented as a proven treatment for acquired brain injury.

Nor should someone feel pressured to undertake challenging activities that worsen fatigue or distress.

However, appropriately adapted learning activities may be enjoyable for some people.

The important considerations include individual abilities, personal goals and professional guidance where necessary.

Someone may prefer learning one word at a time.

Another person might benefit from audio instructions.

Others may need shorter sessions, additional repetition or simplified interfaces.

This is one reason accessibility is so important in digital learning.

The best learning experience is not necessarily the most difficult one. It is one that is appropriate, engaging and meaningful for the individual.

13. Why I Created Speak & Rewire

My interest in neuroplasticity, lifelong learning and technology has encouraged me to explore ways of making learning more accessible and enjoyable.

One of those projects is Speak & Rewire.

The idea behind Speak & Rewire is simple.

Learning a language should feel welcoming.

You should be able to begin with useful words and phrases without feeling overwhelmed by complicated instructions.

I wanted to explore a learning experience that encourages curiosity, practice and confidence.

Language learning is a particularly interesting activity because it involves listening, memory, pronunciation and communication.

It also has a practical purpose.

You can use what you learn when travelling, meeting new people or exploring another culture.

Speak & Rewire is an educational language-learning project, not a clinically validated cognitive rehabilitation treatment.

But it reflects my belief that learning should remain part of our lives, whatever our age.

And that discovering something new can be enjoyable in its own right.

14. Seven Practical Ways to Start Learning a Language

If you have been thinking about learning another language, here are seven ways to begin.

1. Choose a language that interests you

Motivation matters.

Perhaps you love travelling to Spain.

Maybe you have family connections with Italy.

Or perhaps you simply enjoy the sound of French.

Choose something that gives you a reason to continue.

2. Begin with useful everyday words

Start with greetings, numbers, polite expressions and common questions.

You don’t need an enormous vocabulary on your first day.

3. Practise pronunciation aloud

Listening is valuable, but speaking gives you another opportunity to practise.

Don’t worry about sounding perfect immediately.

4. Use spaced repetition

Revisit vocabulary over several days rather than trying to remember everything in one session.

5. Connect learning with everyday activities

Practise naming objects around your home.

Use simple phrases while preparing food.

Or listen to familiar words when travelling.

6. Make the experience enjoyable

Try music, short videos, language games or conversations.

Choose activities that encourage you to return.

7. Celebrate small achievements

Remembering five new words is progress.

Understanding a short sentence is progress.

Having your first simple conversation is progress.

You don’t need to wait until you are fluent to recognise what you have achieved.

15. A Seven-Day Language Learning Challenge

Would you like to give your brain something new to explore?

Try this simple seven-day challenge.

Day 1: Learn how to say hello, goodbye and thank you.

Day 2: Learn five everyday words.

Day 3: Practise introducing yourself.

Day 4: Learn how to count from one to ten.

Day 5: Listen to a short conversation and identify familiar words.

Day 6: Practise asking a simple question.

Day 7: Review everything you have learned and try using a few phrases without looking at your notes.

This challenge will not make you fluent in a week.

But it can help you experience what learning a language feels like.

You may discover that you enjoy it.

And perhaps those first seven days will become the beginning of a longer journey.

16. The Bigger Picture: Lifelong Learning and a Healthy Brain

Language learning is just one of many activities that can provide opportunities for mental engagement.

Playing a musical instrument, reading, cooking unfamiliar recipes, developing digital skills and participating in creative activities can also involve learning.

Research into healthy ageing suggests that cognitive health is influenced by many factors.

These include physical activity, cardiovascular health, sleep, social engagement, education and other aspects of lifestyle.

No single activity guarantees protection against cognitive decline.

And brain health should not be reduced to completing a particular number of puzzles or language lessons.

But continuing to learn can contribute to a stimulating and fulfilling life.

That is an important reason to remain curious.

We do not need to treat every new hobby as a medical intervention.

Sometimes, the enjoyment of learning is reason enough.

Final Thoughts: A New Language Could Open More Than One Door

Learning a new language can introduce us to unfamiliar sounds, cultures and experiences.

It can challenge our memory, attention and communication skills.

It can provide opportunities for practice, feedback and learning-related neuroplasticity.

And it can remind us that being a beginner is not something to fear.

The scientific evidence does not justify claiming that language learning will prevent dementia or guarantee improvements in overall cognitive performance.

But it does support the idea that adults retain the ability to learn and that language acquisition engages complex brain processes.

For me, that is encouraging.

We spend so much of our lives becoming comfortable with what we already know.

Sometimes, it is worth stepping outside that familiarity.

Learning a few words in another language might seem like a small achievement.

But those words could lead to a conversation.

That conversation could lead to a friendship.

And that friendship could introduce you to experiences you might never otherwise have enjoyed.

Your brain doesn’t need you to know every language in the world.

It simply needs opportunities to keep learning.

So perhaps the next time you plan a holiday, instead of only packing your suitcase, you could also learn a few words in the language of the place you’re visiting.

You never know where those words might take you.


About Darren Jewell

Darren Jewell is a neuroresilience coach, inspirational speaker and founder of Regain the Brain.

Drawing on his lived experience of brain injury and his passion for neuroplasticity, Darren encourages people to embrace lifelong learning, develop resilience and explore new possibilities.

He is also developing educational projects including Speak & Rewire, designed to make language learning engaging and accessible, and Regain Arcade, a collection of interactive games involving different cognitive skills.

Through inspirational speaking and coaching, Darren shares the message that learning and personal development can remain meaningful throughout life.

It’s never too late to learn something new. And sometimes, all it takes is one word to begin.

Discover more at www.regainthebrain.com.

This article is for general educational purposes. Language learning should not be considered a substitute for medical treatment or neurological rehabilitation.

Continue your journey

Ready to discover what could become possible?

Explore Regain the Brain coaching or invite Darren to share his lived story with your audience.

Start a conversation