Combined action observation and motor imagery facilitates visuomotor adaptation in children with developmental coordination disorder.
Watching plus imagining the target skill cuts visuomotor adaptation time for kids with DCD.
01Research in Context
What this study did
Researchers tested a two-part mental warm-up for kids with developmental coordination disorder (DCD).
Kids watched short videos of a joystick task while they pictured themselves doing it.
A control group watched nature clips instead.
Both groups then tried the real task while the screen secretly rotated their moves 90°.
What they found
The AO+MI group learned the new mapping faster.
Their hand paths were smoother and their eyes stayed on the target.
The control kids took longer and looked around more.
How this fits with other research
Crossman et al. (2018) saw the same jerky, late eye moves in DCD kids during a two-hand catch.
Sievers et al. (2020) now show you can cut that lag with a quick AO+MI drill.
Nobusako et al. (2020) found DCD kids feel agency over a wider time window.
The new study suggests AO+MI tightens that window by giving the brain clearer feed-forward cues.
Godoi-Jacomassi et al. (2025) report more postural commands and shaky sway in DCD.
Together the papers say the problem is not weak muscles but fuzzy internal models—and AO+MI sharpens them.
Why it matters
You can steal this protocol in five minutes.
Cue the child to watch a short clip of the day’s task, then close eyes and ‘run the movie’ twice.
Start the real trials right after.
No gear, no extra staff—just faster motor learning and smoother moves.
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02At a glance
03Original abstract
The internal modelling deficit (IMD) hypothesis suggests that motor control issues associated with Developmental Coordination Disorder (DCD) are the result of impaired predictive motor control. In this study, we examined the benefits of a combined action observation and motor imagery (AO + MI) intervention designed to alleviate deficits in internal modelling and improve eye-hand coordination during a visuomotor rotation task. Twenty children with DCD were randomly assigned to either an AO + MI group (who watched a video of a performer completing the task whilst simultaneously imagining the kinaesthetic sensations associated with action execution) or a control group (who watched unrelated videos involving no motor content). Each group then attempted to learn a 90° visuomotor rotation while measurements of completion time, eye-movement behaviour and movement kinematics were recorded. As predicted, after training, the AO + MI group exhibited quicker completion times, more target-focused eye-movement behaviour and smoother movement kinematics compared to the control group. No significant after-effects were present. These results offer further support for the IMD hypothesis and suggest that AO + MI interventions may help to alleviate such deficits and improve motor performance in children with DCD.
Research in developmental disabilities, 2020 · doi:10.1016/j.ridd.2019.103570