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How to remember things with ADHD: stop storing, start offloading

ADHD working memory is measurably smaller than the demands a day makes of it — meta-analyses in children and adults agree. The fix is not remembering harder but cognitive offloading: moving the remembering into the world. What the offloading research shows, including its one real catch.

The cruellest ADHD forgetting is not forgetting the past. It is forgetting the present: the thing you walked into the kitchen for, the email you meant to send after this one, the brilliant fix that evaporated between the shower and the towel. People conclude their memory is broken. The testing literature says something more specific and more fixable: the impaired part is mostly working memory — the holding space, not the archive — and a holding space is exactly the thing you can move outside your head.

I build a planning app, so I have an obvious interest here. But the strategy in this post is older than software, and the research behind it was done with pen, paper and alarm clocks as much as with phones.

What the testing actually shows

Working memory is the mental workspace that holds a few items live while you use them — a phone number between hearing and dialling, the errand between remembering and writing it down. In ADHD it is one of the most consistently impaired functions on the test bench. Martinussen and colleagues' meta-analysis (2005) found deficits across working memory domains in children with ADHD, largest for spatial storage and manipulation. In adults, Alderson and colleagues' meta-analytic review (2013) found the same picture persisting past childhood. Kasper and colleagues (2012), across 45 studies, found large differences that held regardless of how the task was dressed up.

Two honest caveats. These are group averages — plenty of individuals with ADHD test fine on working memory, and a diagnosis is not a test score. And "impaired on laboratory tasks" is not the same claim as "explains every forgotten errand"; attention decides what enters memory in the first place, and a thought that never got encoded was never forgettable to begin with. But the practical conclusion survives both caveats: for many ADHD brains, the pipeline between having a thought and acting on it has a narrow, leaky segment, and it is the segment where the thought is held internally.

Barkley's influential model (1997) puts working memory near the centre of ADHD's executive problems for exactly this reason: holding information online is what lets behaviour be guided by plans rather than by whatever is in front of you. It is the same argument that runs through time blindness — the sense of time is partly a working-memory function too, which is why the two failures so often travel together.

The strategy: stop storing, start offloading

Risko and Gilbert (2016) gave the everyday workaround a name and a literature: cognitive offloading, the use of physical action to reduce the informational demands of a task. Tilting your head to read rotated text. Writing the number down. Setting the alarm. Their review makes two points that matter here. People offload more as internal demand rises — it is the natural response to a full workspace. And offloading works: performance on the offloaded material reliably improves.

Gilbert's experiments on delayed intentions (2015) are the closest match to daily ADHD life. Remembering to do a thing later — prospective memory — is fragile in everyone, and participants allowed to set external reminders performed substantially better than those relying on their heads, with the benefit largest for exactly the people whose internal performance was weakest. Read that sentence again if you have ever been told reminders are a crutch: the crutch helps most where the leg is weakest. That is what crutches are for.

There is one genuine catch, and it deserves to be stated rather than hidden. Storm and Stone (2015) showed that saving a file made people remember its contents worse — offloading is not free; the head lets go of what the system holds. For a student memorising anatomy, that is a warning. For remembering to buy stamps, it is the point. The design consequence is the one rule everything else hangs on: the external system must be trusted. Offload into a place you never check and you pay the forgetting cost without collecting the remembering benefit — the worst of both.

What a working offloading system looks like

The research and the lived accounts converge on four properties.

Capture in seconds, not minutes. The window between a thought arriving and a thought being displaced is short — that is the impairment. A capture method that involves finding the right app, the right list and the right phrasing loses the race. This is the argument for capture being one gesture, and for speaking rather than typing when your hands or eyes are busy: say it now, shape it later. The unsorted version of this is a brain dump, and it is the single highest-value offloading habit I know.

One place, not five. A note here, a text-to-self there, a sticky on the monitor: each is an offload, but the checking now has five destinations, and trust — the load-bearing property — divides among them until none is checked. One inbox for everything, however messy, beats five tidy ones.

Cues, not storage. A list remembers that; a reminder remembers when. Prospective memory fails at the retrieval moment, so the system should fire at the moment — an alarm named after the action, a task dated to the day it matters, the object physically in the doorway. Gilbert's reminder results are about cues, not archives.

Small enough to stay trusted. A system that accumulates everything forever becomes a place bad news lives, and checking it starts to cost more than it pays — the same avoidance spiral that kills overwhelming to-do lists. The offload only works while looking at the system is cheap.

Where Stowe fits, and where paper does

This is the part I have an interest in, so plainly: Stowe is an offloading system with the capture race deliberately rigged. The mic is one tap — on the iPhone, on the Watch on your wrist, in the Mac menu bar with Option-Space — and you talk the way you actually talk. On-device AI splits what you said into tasks, routines and things, dates them, and keeps today's set to 3–5 while everything else waits out of sight. The speed is not convenience; against a working-memory leak measured in seconds, capture speed is the whole game. And because everything runs on the device, the thought you offload at a trailhead with no signal lands exactly as safely as one at your desk.

But a pocket notebook and a phone alarm implement the same four properties, and implemented is what matters. The shift that changes things is not any tool. It is the identity shift: from "I should remember this" — a bet against your own test scores — to "I should put this somewhere", a bet you can actually win.

References

Related: Does planning actually help ADHD? · Voice to-do list apps in 2026

Frequently asked questions

Why do I forget everything with ADHD?

Mostly because of working memory, not memory in general. Meta-analyses in both children (Martinussen et al., 2005) and adults (Alderson et al., 2013) find working memory reliably impaired in ADHD — the small mental holding space where "buy stamps" waits while life happens. Long-term memory for things that actually got encoded is far less affected. The thought does not fade over days; it is displaced within seconds by the next thing that grabs attention.

How can I remember things better with ADHD?

The evidence-aligned answer is: arrange to remember less. Cognitive offloading — putting the information into the world within seconds of having it, then letting a cue bring it back at the right time — bypasses the impaired stage entirely. The rules that make it work: capture immediately (a thought that waits for a better moment is usually gone), keep one trusted place rather than five, and attach a time or place cue so the system does the reminding.

Is it bad to rely on reminders and lists instead of my memory?

There is a real finding to take seriously: saving information does reduce your own memory of it (Storm & Stone, 2015). But the same research frame shows offloading freeing capacity for other things, and for a system whose bottleneck is working memory, trading internal storage you do not reliably have for external storage you do is a good trade. The honest requirement is that the external system must actually be trusted and checked — offloading into a place you never look combines the memory cost with none of the benefit.

What is cognitive offloading?

The use of physical action to reduce the informational demands on your head — writing things down, setting alarms, putting the parcel by the door (Risko & Gilbert, 2016). People naturally offload more as tasks exceed their internal capacity, and experiments show it reliably improves performance on the offloaded task. For ADHD it is less a productivity hack than a prosthetic: externalising exactly the function that testing shows is weakest.