Research into dyslexia has been characterized by controversy, but the issue of balance and whether or not it should be seen as causal in dyslexia has been one of the most heatedly debated issues in recent years. The consensus of research into balance and dyslexia over a 20-year period has been that balance deficits may be identified in around 50% of a sample of children with dyslexia and around 20% of a sample of adults with dyslexia. It has also been argued that any evidence of balance deficits may be attributed to comorbid attention deficit in the participants with dyslexia studied. However, recent evidence from die Sheffield group has established that deficits may be found in adults if the level of difficulty is manipulated in dual task paradigms1 and has demonstrated that balance difficulties are found in children and adults with dyslexia with age-appropriate tests even when attention-deficit-hyperactivity disorder is controlled for.
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