ADHD, stimulation and reward: what is known

First, what this article is not

Touchward is a reward button. It is not a treatment for ADHD, not a medical device, and we make no health claims for it. Plenty of people with ADHD tell us it is useful, and we wanted to write down, carefully, why that might be, using research that actually exists. If you are working with a clinician, this sits alongside that, not in place of it.

What the imaging research found

In 2009 Nora Volkow and colleagues published a PET imaging study in JAMA comparing adults with ADHD to controls. They measured two markers of the dopamine system, dopamine transporter availability and D2/D3 receptor availability, and found both were lower in the ADHD group in two regions central to reward and motivation, the nucleus accumbens and the midbrain. The reduction in these markers was associated with symptoms of inattention.¹

The authors' own framing is worth keeping: this is evidence of disruption in the dopamine reward pathway in ADHD, with implications for how motivation works, not a claim that ADHD is simply a shortage of one chemical.¹ We are not neuroscientists and we are not going to overreach past that sentence.

Why immediacy matters more when reward is the problem

Two other pieces of research, neither about ADHD, help explain what a button might be doing. Kaitlin Woolley and Ayelet Fishbach found that immediate rewards, the enjoyment of the activity itself, predict whether people persist at long-term goals, and that delayed rewards do not.² And the classic work by Schultz, Dayan and Montague showed that dopamine neurons respond to reward and, with learning, to the cue that predicts it, so a signal that arrives right after an action gets attached to that action.³

Put those next to Volkow's finding and a reasonable, modest hypothesis appears. If the reward system is running with less signal, then a task that ends with no signal at all is a task that ends with nothing. Finishing feels like nothing, so starting the next thing is harder. Making the end of a task into a small, immediate, physical event is a way of supplying the signal the moment it would matter. That is a hypothesis about why people find it useful, not a finding, and we want to be clear about the difference.

Stimulation is the other half

People with ADHD describe understimulation in a way that is easy to recognise: boredom with an edge, restless hands, a need for something to happen. Touchward gives the hands something. Seven reward modes change how the ripples move and how the haptic feels, five strengths run from Gentle to Max, and the unlock adds a library of over 150 haptic presets. Press and hold for a timer that traces the button and pays out a bigger reward when it completes. It is a fidget that also means something, because you decide what a tap is for.

Novelty, because habituation is fast

Whatever the reason, ADHD brains tend to get bored of a thing quickly. So the button does not have to stay the same. Random builds a whole new look in one press, and you can save the ones you like. When the button feels new, the tap feels new.

How people actually use it

• Task endings. Sent the email, made the call, put the thing away. Tap. The counter turns a scattered day into a visible pile of done.
• Transitions. Calendar nudges, part of the unlock, notice when an event ends and prompt a tap, so the exit from a meeting or a class gets a cue and a reward.
• Urges. Noticed the urge to pick, scroll, snack, and let it pass. Tap. The moment that usually gets nothing gets something.
• Hands. Sometimes it is just something satisfying to do with your thumb while the rest of you catches up.

Touchward is not a medical device and makes no health claims. This article is general information, not advice about your health. If you are working with a clinician, keep doing that.

Sources

1. Volkow ND, Wang GJ, Kollins SH, et al. Evaluating dopamine reward pathway in ADHD: clinical implications. JAMA 302(10):1084-1091, 2009.
2. Woolley K, Fishbach A. Immediate Rewards Predict Adherence to Long-Term Goals. Personality and Social Psychology Bulletin 43(2):151-162, 2017.
3. Schultz W, Dayan P, Montague PR. A Neural Substrate of Prediction and Reward. Science 275(5306):1593-1599, 1997.