How memory works
From attention to recall
What you learn hereExplain the four steps that build a memory —attend, chunk, sleep and retrieve— and work out, when something won’t stick, which of them is missing.
This page summarises the lesson and cites its sources. The full lesson —animated, narrated, with its practice— opens with the Lifetime Pass, along with the rest of the course and everything to come.
See the Pass — CA$39 →SourcesDresler et al., 2017 · Diekelmann & Born, 2010 · Cowan, 2001 · Chase & Simon, 1973 · Updated 2026-07-25