Working memory is the mental workspace where you hold information while you use it — the phone number you're about to dial, the sentence you're mid-way through reading, the three things you need to do next. Working memory training is one of the most-researched forms of cognitive training. This guide covers what actually works, how long to train, and 5 free exercises to start today.
Working memory training is short daily practice on tasks that force you to hold information active while manipulating it — like Dual N-Back, digit span, or complex span tasks. It's the most-studied form of cognitive training.
For the trained task, yes — improvements are robust. For 'far transfer' to unrelated skills, the evidence is mixed. What is well-established: it reliably improves the working-memory skill itself and how it feels during demanding tasks.
Dual N-Back is the gold standard because it demands simultaneous tracking of two streams. If that feels too hard, start with One-Back Letters or Digit Span and level up from there.
10–20 minutes, 4–5 days a week, for at least 3 weeks. Longer sessions cause fatigue and negative returns; consistency is what compounds.