Variable but stable. May improve long term. Problems through adolescence in ~50%-70%. Onset in early childhood. Delayed motor milestones may be the first signs. When skill is achieved, execution appears awkward, slow, or less precise
In middle childhood, difficulties with puzzles, models, handwriting, organizing belongings (motor sequencing and coordination). In early adulthood, difficulty in learning tasks involving complex automatic motor skills (driving, using tools). Inability to take notes and handwrite affect work.
Co-occurrence with other disorders impacts course and outcome.