Autism & Developmental

Assisting people with multiple disabilities and minimal motor behavior to control environmental stimulation through a mouse wheel.

Shih et al. (2009) · Research in developmental disabilities 2009
★ The Verdict

A $10 mouse wheel turns a thumb poke into an on-switch for music and videos for adults with profound disabilities.

✓ Read this if BCBAs serving nonverbal teens or adults with minimal movement.
✗ Skip if Teams already using eye-gaze or VR systems.

01Research in Context

01

What this study did

Two adults with profound disabilities could only move their thumbs. The team wanted them to run music and videos by themselves.

They glued a $10 mouse wheel to a table. A tiny thumb poke spun the wheel. Custom software turned each spin into 5 seconds of songs or cartoons.

02

What they found

Thumb pokes jumped as soon as the wheel was linked to the shows. Both people kept the skill two months later.

Staff did not help. The adults chose when to watch or listen.

03

How this fits with other research

Lin et al. (2015) later used the same idea with kids. A webcam game let whole-body motion control cartoons. It shows the thumb-poke method can scale up to bigger movements.

Lancioni et al. (2008) and Lancioni et al. (2011) tucked sensors into napkins. Mouth wipes and mouth drying also earned videos. All three studies turn tiny moves into big rewards.

Anonymous (2025) swapped the mouse for VR headsets. Their WISH→WON prompt fading gave students with mild ID full game control. The mouse wheel is the entry point; VR is the graduation step.

04

Why it matters

You can give choice back to clients who only move one finger. Tape a mouse wheel to a tray, load free software, and let thumb pokes run preferred clips. No fancy gear, no extra staff. Start there, then move to webcam or VR games as motor skills grow.

Free CEUs

Want CEUs on This Topic?

The ABA Clubhouse has 60+ free CEUs — live every Wednesday. Ethics, supervision & clinical topics.

Join Free →
→ Action — try this Monday

Plug a mouse wheel into a laptop, link spins to a 5-s YouTube clip, and let the client’s thumb do the rest.

02At a glance

Intervention
other
Design
reversal abab
Sample size
2
Population
intellectual disability, developmental delay
Finding
positive
Magnitude
large

03Original abstract

This study assessed whether two people with profound multiple disabilities and minimal motor behavior would be able to control environmental stimulation using thumb poke ability with a mouse wheel and a newly developed mouse driver (i.e., a new mouse driver replacing standard mouse driver, and turning a mouse into a precise thumb poke detector). The study was carried out according to an ABAB design and included a 2-month post-intervention check. The two people increased significantly in the target response (thumb poke) to activate the control system to produce environmental stimulation during the B (intervention) phases. This performance was maintained at the post-intervention check. Practical and developmental implications of the findings were discussed.

Research in developmental disabilities, 2009 · doi:10.1016/j.ridd.2009.07.001