Game Guide

Word N-Back Explained: Train Your Verbal Working Memory [2026]

Learn about Word N-Back, a cognitive task that trains verbal working memory. Understand the science behind the phonological loop and practice for free.

Reading time: ~8 min

What is Word N-Back?

Word N-Back is a cognitive training task that targets verbal working memory. Words appear one at a time on the screen, and your task is to press "Match" when the current word is the same as the word shown N steps back in the sequence.

This task engages the phonological loop, a component of working memory described in Baddeley's model that processes verbal and acoustic information. By training with Word N-Back, you challenge your brain's ability to maintain and manipulate verbal information.

Scientific Background

The Phonological Loop

The phonological loop, proposed by Alan Baddeley and Graham Hitch in 1974, is a key component of working memory that handles verbal information. It consists of two parts:

  1. Phonological Store: Holds verbal information for 1-2 seconds
  2. Articulatory Rehearsal Process: Refreshes information through subvocal rehearsal (inner speech)

When you perform Word N-Back, you engage both components. The phonological store temporarily holds the words you've seen, while articulatory rehearsal helps maintain them in memory as new words appear.

Verbal Working Memory Research

Research has shown that verbal working memory capacity is related to:

  • Reading comprehension and language learning
  • Vocabulary acquisition
  • Following complex instructions
  • Mental arithmetic with verbal problems

Training verbal working memory through tasks like Word N-Back may help strengthen these related cognitive skills, though individual results vary.

Research Note

While N-Back training has shown effects on working memory in controlled studies, the extent of transfer to everyday tasks varies. Effects are most robust for tasks similar to the training itself.

Cognitive Abilities Trained

Verbal Working Memory

The ability to hold and manipulate words and verbal information for short periods.

Phonological Processing

Processing the sounds and patterns of language, essential for reading and speech.

Sustained Attention

Maintaining focus over time as words continue to appear in sequence.

Response Inhibition

Resisting the urge to respond when similar (but not matching) words appear.

How to Play

  1. Select Your N-Level

    Choose your difficulty level: 1-Back (beginner), 2-Back (intermediate), or 3-Back (advanced). Start with 1-Back if you're new to N-Back tasks.

  2. Watch the Words

    A word appears on the screen for 1.5 seconds, followed by a brief pause. A new word appears every 2.5 seconds. The game uses 16 simple English words: CAT, DOG, SUN, MOON, TREE, FISH, BIRD, STAR, BOOK, DOOR, HAND, FIRE, RAIN, SNOW, WIND, LAKE.

  3. Press Match When Appropriate

    If the current word matches the word from N steps back, press the "Match" button or spacebar. For 2-Back, you compare the current word to the word from 2 words ago.

  4. Complete the Level

    Each level lasts 60 seconds. Achieve 70% accuracy or higher to unlock the next N-level.

Score Guide

AccuracyRatingDescription
90%+ExcellentOutstanding verbal working memory
70-89%GreatSolid performance, ready for higher N-level
60-69%GoodMaking progress, keep practicing
Below 60%Keep PracticingTry a lower N-level or practice more

Performance Metrics

  • Accuracy: Overall percentage of correct responses (hits + correct rejections)
  • Hit Rate: Percentage of matches you correctly identified
  • False Alarm Rate: Percentage of non-matches you incorrectly called as matches
  • Trial Count: Total number of words presented

Training Benefits

Regular Word N-Back practice may provide the following benefits:

  • Improved Verbal Working Memory: Enhanced ability to hold and manipulate verbal information
  • Better Language Processing: Strengthened phonological loop may support reading and listening comprehension
  • Increased Focus: Training sustained attention through continuous word monitoring
  • Foundation for Dual N-Back: Word N-Back can serve as a stepping stone to the more challenging Dual N-Back

Note: Effects vary between individuals. Not everyone will experience the same benefits.

Tips and Strategies

  1. Verbalize the Words - Silently repeat or subvocalize each word as it appears. This engages your articulatory rehearsal system and helps maintain the words in memory.

  2. Create Simple Associations - Link consecutive words with quick mental images. For example, if "CAT" followed by "SUN" appears, briefly imagine a cat in the sun.

  3. Maintain a Rhythm - The words appear at regular intervals (every 2.5 seconds). Use this rhythm to help track timing and position in the sequence.

  4. Focus on the N-back Position - Don't try to remember every word. Concentrate on the specific position you need to match (N steps back).

  5. Stay Relaxed - Tension can impair memory. Take deep breaths and maintain a calm focus while playing.

  6. Practice Consistently - Short daily sessions (5-15 minutes) are more effective than occasional long sessions.

Comparison with Dual N-Back

Word N-Back and Dual N-Back both train working memory but differ in complexity and modality.

FeatureWord N-BackDual N-Back
ModalityVerbal only (words)Visual + Auditory
StimuliWritten wordsPosition + Sound
Memory SystemPhonological loopMultiple systems
DifficultyModerateHigh
Best ForVerbal memory focusComprehensive training

Word N-Back is an excellent choice if you want to:

  • Focus specifically on verbal working memory
  • Build up to Dual N-Back gradually
  • Practice a less demanding but still effective task

Related Articles:

FAQ

Q:

A:

Conclusion

Word N-Back is a focused cognitive training task that targets verbal working memory through the phonological loop. By presenting words in sequence and requiring you to match them to words N steps back, it challenges your ability to maintain and manipulate verbal information.

Whether you're looking to improve verbal memory, build a foundation for Dual N-Back, or simply exercise your brain with a manageable cognitive task, Word N-Back offers an accessible and effective option.

Related Articles

Start Training Your Brain Today

Experience scientifically-proven cognitive training with our free app