How to improve working memory — honestly
Working memory is the mental scratchpad you use to hold a phone number, follow directions, or do maths in your head. Can you make it bigger? Sort of — and the details matter.
What working memory actually is
Working memory is the system that holds and manipulates information over seconds — not facts you know, but what you're juggling right now. Its capacity is famously small (a handful of items) and it's central to mental arithmetic, reading comprehension and following multi-step instructions.
The uncomfortable research summary
Here's the part most brain-training sites won't tell you. Training on working-memory tasks reliably makes you better at those tasks and close variants — that's called near transfer, and it's real. But large meta-analyses (Melby-Lervåg & Hulme, and the landmark Simons review) found little evidence of far transfer: N-back practice doesn't meaningfully raise IQ or transform everyday memory. We wrote a whole post on the N-back and IQ story.
So why train at all? Because the trained skills themselves are useful and measurable, the practice is genuinely enjoyable, and a rising score is honest motivation. That's our whole pitch — a workout, not a miracle.
What actually helps
1. Strategy beats capacity
You can't easily grow the hardware, but you can use it better. Chunking — grouping digits into pairs or triples — is why memory athletes recall hundreds of digits with the same scratchpad you have. Try it in Number Memory: remember "48-15-16-23" as four chunks, not eight digits.
2. Sleep, exercise and the boring stuff
Working memory is exquisitely sensitive to sleep deprivation, stress and inactivity. One good night's sleep does more for tomorrow's span than a week of any brain game. Aerobic exercise shows small but consistent benefits for executive function across dozens of trials.
3. Reduce the load instead
The most effective "upgrade" is external: write things down, close tabs, do one thing at a time. Every interruption you prevent is worth more than a training session.
4. Practise the specific skill you need
Near transfer is still transfer. If you want to hold directions in mind, practise spatial sequences (Block Path). If you juggle streams of updating information, try Last Three or N-Back. Train the thing itself, not a proxy.
The bottom line
Working memory training improves working-memory task performance; it doesn't rewire your intellect. Use strategy, protect your sleep, offload ruthlessly — and if you enjoy the games along the way, that enjoyment is reason enough. It's why ours are free.
Give your scratchpad a workout
Digit span, spatial span, N-back and more — free, honest scoring.
Play Reverse Recall →