Motor abilities in autism: a review using a computational context.
Autistic learners can master new moves, but their planning may wobble and their signals stay noisy.
01Research in Context
What this study did
Gowen et al. (2013) looked at every paper they could find on how autistic people move. They used computer-style thinking to spot the weak links.
They asked: is the problem in learning new moves, in planning them, or in the noisy signals between brain and body?
What they found
Planning and sensorimotor noise are shaky in autism. Motor learning itself is mostly fine.
In plain words: kids can learn to kick a ball, but their brain may trip over the steps or pick up extra noise while doing it.
How this fits with other research
Goulardins et al. (2013) seems to disagree. They watched kids grasp a bar and found planning stayed intact; only the move itself ran slow. The clash fades when you see Emma’s review talks about broad sensorimotor noise, while B et al. zoomed in on one grasp plan.
Sparaci et al. (2015) backs Emma up. Autistic and typical kids learned a tracking task at the same speed, but the paths they took showed hidden planning hiccups.
Izadi-Najafabadi et al. (2015) sharpens the picture. Implicit motor learning (picking things up without knowing) stays strong, while explicit learning (when you have to explain the steps) lags behind.
Why it matters
When you test motor skills, probe how the client plans the move and how much noise creeps in, not just whether they can copy you. Build drills that let them learn by doing, not by talking through rules, and watch the path their hand takes, not only the final score.
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02At a glance
03Original abstract
Altered motor behaviour is commonly reported in Autism Spectrum Disorder, but the aetiology remains unclear. Here, we have taken a computational approach in order to break down motor control into different components and review the functioning of each process. Our findings suggest abnormalities in two areas--poor integration of information for efficient motor planning, and increased variability in basic sensory inputs and motor outputs. In contrast, motor learning processes are relatively intact and there is inconsistent evidence for deficits in predictive control. We suggest future work on motor abilities in autism should focus on sensorimotor noise and on higher level motor planning, as these seem to have a significant role in causing motor difficulties for autistic individuals.
Journal of autism and developmental disorders, 2013 · doi:10.1007/s10803-012-1574-0