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Cognitive design

Designing for cognitive processes, not behaviour change

Designing for cognitive processes, not behaviour change

Most productivity tools share an assumption so common it is invisible: that the problem is you, and the fix is a better habit. Build the routine, push through the resistance, try harder tomorrow. When the system collapses — and it usually does — the tool is fine; you failed it.

jotsum is built on the opposite premise. The mind you have is not a rough draft of a better one. So instead of trying to change how you work, we designed around how minds already work — including on the bad days, under load, when capacity is low. This post is about what that means, because it is the thinking underneath everything else jotsum does.

The cost nobody charges for: organising in order to capture

Open almost any tool to note something down and, before the thought is even out of your head, it asks a question: which project? which folder? which page? You have to decide where the thing lives before you are allowed to keep it. That feels like nothing. It is not.

Choosing a category mid-thought is a mode switch — out of whatever thinking you were doing (writing, designing, talking a decision through) and into administrative, sorting thinking. Switches are not free. The organisational psychologist Sophie Leroy named the cost attention residue: when you switch tasks, part of your attention stays stuck on the last one, so you have less of it for the next — and it is worst when the thing you switched away from was unfinished, which is exactly the state a half-captured thought is in. Gloria Mark's research at UC Irvine puts a number on the return trip: refocusing after an interruption takes around 23 minutes.

So the small tax of "where does this go?" is paid twice — once on the way out of your thought, once on the way back. Pay it often enough and the sensible response is to stop capturing altogether. The thought was easier to lose than to file.

Load is a tax on the work itself

The effort spent deciding where things go is effort not spent on the actual thing — and creative work is the most sensitive to that drain. Experiments that add a small mental load to people doing idea-generation tasks find it reduces both the number and the variety of ideas they produce. The load does not have to be large to cost you; it only has to be there. Most tools add it as a matter of course, and call it organisation.

Working with the grain instead of against it

The alternative is to design so the tool asks almost nothing of you at the moment that matters. In jotsum you type and press enter. There is no folder to choose, no tag, no decision — the entry is dated to a timeline and it is safe. Date-first is the whole structure, because "when" is something memory holds onto anyway: you can search a keyword and a rough "when-ish" — last spring, around the move — and if you wrote it down, it is there.

This is what cognitive scientists call offloading: using something outside your head to carry what your working memory should not have to. Reviewing the research, Risko and Gilbert point out that offloading does not only free up mental space — it "expands the temporal horizon" of what you can think about, letting you track things across weeks instead of holding them in the moment. A dated timeline is exactly that: an external memory that keeps the time attached, so nothing has to live in your head to stay findable.

Built not to punish you

There is a second half to designing around real minds, and it is about emotion as much as cognition. Tools are full of small pressures: overdue flags turning red, streaks you will eventually break, badges counting the things you have not done. For some people — anyone with rejection sensitivity, anyone in a stretch of burnout, anyone having a hard month — those pressures do not motivate. They are the reason the app becomes one more thing you avoid opening.

So jotsum does not have them. No overdue flags, no streaks, no nagging, no notifications. A task stays exactly as calm as it was when you wrote it down. If today is too much, you move things to a day that better matches your capacity, and nothing penalises you for it — because low-capacity days are real, and a tool that punishes them is a tool you will abandon on precisely the days you needed it most. On the days that felt empty, your timeline quietly shows what you actually did, which is usually more than the feeling allowed.

None of this is therapy, and it does not claim to treat anything. It is a tool that declines to make the day heavier than it already is.

Why "for everyone" is honest here

We built jotsum from our own experience of minds the usual tools never fit. But the design that follows from that — capture first, organise if and when you want to, no pressure, time as the index — turns out to be better for almost anyone under load. A relentless week does to working memory roughly what a busy brain does to it the rest of the time. Designing for the people the productivity world tends to leave behind produces something calmer for everybody. That is the curb-cut effect: the kerb ramp cut for wheelchairs that turns out to help the person with a buggy, a suitcase, a sore knee.

The shorthand for all of it: most tools ask you to change to fit them. We would rather build the one that fits you.

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