What is actually known, and how well it is known
Short notes with their sources attached and a grade on every claim — including the claims where the honest grade is low. If the evidence for something is thin, that is the note.
Published notes
- Does brainmaxing work? The evidence, graded
It depends entirely on which part of it you mean — and the parts with the best evidence behind them are the cheapest and the least exciting.
- Brainmaxing exercises: what each one trains
Fifteen timed tasks, grouped the way the rest of this site groups them — focus, memory, learning, control. Each is honest about the same thing: the task trains the task.
Not written yet on this subject:
- Adaptive difficulty — why the accuracy band is held near 70–85 %
- Reduced-motion variants are a different exercise, and score separately
- What a validity flag means when your session gets one
- A brainmaxing routine for one week
Seven days, nothing to buy, and the boring parts first. The habits are in the order the evidence supports them, not in the order that makes a good video.
- How to start thinking about a problem
Most of what feels like thinking is rehearsal. Five questions, in order, turn a heavy feeling into something with an answer — and the first one is the one people skip.
- Why training a game trains the game
Practising a task makes you better at that task. The evidence that it makes you better at anything else is, once the comparison group is chosen properly, close to nothing — and that is worth knowing before you spend six weeks on it.
- What the evidence says about creatine and thinking
The trials are small, short and mostly about muscle. The two meta-analyses that pool the cognitive ones do not agree about who benefits, and that disagreement is the useful part.
- Lion's Mane, erinacine A and Erinamax
- Caffeine
- L-theanine with caffeine
- Omega-3 (EPA and DHA) supplements
- Vitamin D
- Brain Diet
The catalogues that are published
- Fuel — what the evidence says
Every claim with its own grade, its population and its preparation — and the ones where the evidence does not support the claim are marked as that rather than hidden under a low letter.
- The reading catalogue
Books, papers and courses with the reason each one earns your time, and two cards that say where the popular version differs from the work.
- Brain Logic — the thinking modes
Named ways of approaching a problem: what each one looks at, the question it asks before anything else, and the Foundation track that is free to work through.
- How a mastery pathway works
Stages, practice and spaced review, the grade on each claim behind it, and the sentence about thinking in general that this product declines to write — plus every written pathway's own primer, published in full.
The term itself, dated and sourced, with a grade on every part of it.
The same standard applied to the product’s own scoring.
Measured, confirmed, inferred, withdrawn — and why the third matters.
Six questions, free, and it will tell you which of these to read first.