How Speaking Enhances Memory: What Cognitive Science Reveals

Dec 1, 2025

1. Why does speaking strengthen learning?

Speaking is not just an expression skill—it is a powerful memory enhancer.

When children speak, their brains activate:

  • phonological systems

  • auditory feedback loops

  • motor regions for articulation

  • working memory for organising thoughts

This multi-system activation leads to deeper encoding and more durable memory traces.

2. The Production Effect: Saying it out loud boosts memory

What is the Production Effect?

The Production Effect states:

Words spoken aloud are remembered better than words read silently.

Studies at the University of Waterloo show that reading aloud produces higher recall scores because:

  • speaking creates multisensory encoding

  • spoken items become more distinctive in memory

Neuroscience behind it

Speaking activates:

  • Broca’s area

  • auditory cortex

  • motor cortex

  • hippocampus

This creates stronger memory consolidation compared to silent reading or listening.

3. Uniqueness & Retrieval: Why spoken information becomes hard to forget

1. Spoken moments feel “unique” to the brain

When a child says something out loud:

  • the sound of their voice

  • the movement of their tongue

  • the emotional tone they use

all form a personal, unique memory trace.

2. Retrieval Practice strengthens memory

Retrieving information through speaking—such as answering questions or retelling a story—acts as a memory booster.

Each retrieval:

  • deepens memory

  • increases long-term retention

  • improves flexible use of knowledge

4. Applying speaking-based memory strategies in language learning

1. Reading aloud vs playing audio

Children remember more when they:

  • speak words

  • repeat sentences

  • hear themselves talk

The combined effect strengthens vocabulary and grammar retention.

2. Speech-enabled learning apps

These apps encourage:

  • describing pictures

  • answering questions

  • restating sentences

  • using voice to complete challenges

All of which leverage the Production Effect.

3. Especially effective for auditory learners

Auditory learners benefit greatly from hearing their own voice, showing up to 20% improvement in recall.

5. Practical tips for parents & educators

1. Ask children to retell stories

Examples:

  • “What surprised you the most?”

  • “Tell me what happened in your own words.”

  • “How would you change the ending?”

This uses retrieval practice to deepen memory.

2. Let them become the “mini teacher”

Teach-back methods help solidify:

  • vocabulary

  • concepts

  • story structures

3. Use speech-based apps

Apps that require speaking to progress help children practise without fear of judgment.

6. Conclusion: Children remember what they say

In short:

  • Heard once = may remember

  • Read once = might remember

  • Said once = far more likely to remember

Speaking transforms passive input into active, long-lasting memory, making it a powerful tool in children’s language development.

References

  1. MacLeod & Bodner – The Production Effect in Memory
    https://uwaterloo.ca/memory-attention-cognition-lab/sites/default/files/uploads/files/macleodbodner_cdps17_0.pdf

  2. Frontiers in Psychology – The Production Effect in Memory
    https://www.frontiersin.org/articles/10.3389/fpsyg.2014.00886

  3. VARK Learning Guide – Auditory learning
    https://vark-learn.com/introduction-to-vark/

  4. Retrieval Practice Research (Agarwal & Bain)
    https://www.retrievalpractice.org/research

  5. Learning Scientists – Six Strategies for Effective Learning (Retrieval Practice)
    https://www.learningscientists.org/effective-learning-strategies

  6. Wikipedia – Production Effect overview
    https://en.wikipedia.org/wiki/Production_effect