The library
Learn how focus works.
Guides19
Sections6
States coveredAll five
DateAugust 2026
01
Start here
What Zone is, how in-ear EEG works, and the model behind everything else.
02
The five states
One deep dive per state: what it feels like, what the signals show, and what to do next.
What locked in actually means.The slang, decoded, then made literal.8 minCognitive overload, explained.Running Hot is the warning. Here is how to catch it early.9 minWhere your mind goes when it wanders.Drifting is a signal, not a character flaw.9 minThe afternoon slump, measured.Why your brain fades after 3PM, and what Depleted really means.7 min
03
The signals
The measurements underneath the states, and what measuring attention honestly looks like.
Mental energy is a budget.The battery model: fills overnight, drains with effort, recovers on breaks.7 minAlpha brain waves, without the myths.What alpha actually signals, and why one-band stories oversimplify.9 minThe attention span test, honestly.What online tests measure, what they miss, and what continuous measurement adds.5 minWhat EEG actually measures.Timing, not thoughts: what the signal honestly covers, and what it cannot.10 minEEG at home, explained.What consumer EEG can and cannot measure, and how it compares to a clinic.7 minHow to measure focus, honestly.The real ways to measure focus, from time audits to brain signals, and their limits.10 min
04
When work stalls
Why starting is the hardest part, and what to do when a task will not move.
05
Focus, practiced
The habits that protect attention, grounded in what the signals show.
06
The evidence
An honest look at whether neurofeedback actually works.
Read your own focus.
Zone turns everything in this library into a live reading, from inside your ears.
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