Children with a learning disorder show prospective control impairments during visuomanual tracking.

van Roon et al. (2010) watched 8- to young learners kids chase a dot on a screen. The dot sped up and slowed down without warning. Half the kids had a learning disorder; half were typical.

Each child held a stylus and tried to keep the dot inside a moving circle for 30 seconds. The team counted how far the stylus lagged behind the dot and whether the child got better on later tries.

Kids with LD stayed farther from the dot and never improved across trials. Typical kids closed the gap and got smoother by the third run.

The LD group could not predict where the dot would go next. Their hands kept reacting instead of moving ahead.

Razuk et al. (2014) saw the same thing in posture. Dyslexic kids swayed more when wall patterns were dim. Together the studies show LD brains need stronger visual cues to guide any motor action.

Ortiz et al. (2014) pushed the timeline earlier. Preschoolers at risk for dyslexia already struggled with quick visual sequences. The tracking problem starts before reading, not after.

Cicchetti et al. (2014) used a rule-learning game instead of a dot chase and still found the LD group behind. Three different labs, three different tasks, same story: learning disorders blunt the ability to pick up and use visual patterns.

If a child with LD looks clumsy during tablet games, cursor tasks, or even handwriting, the issue may be prediction, not strength. Break the motion into slow, steady steps and give the child a clear visual preview of the next position. Preview cards, guiding arrows, or audible countdowns can replace the missing forward model that typical kids build on their own.