Getting a diagnosis of dyslexia is often seen as the solution to the problems experienced by those with struggle in areas such as reading, writing an learning.
But now an expert in physiology and education from Durham University says the term 'dyslexia' should be abandoned.
Professor Julian Elliott says some people have learning difficulties but says 'dyslexia' is used to describe many problems which may not need the same treatment.
He has outlined his ideas in a new book which some see as controversial.
Dyslexia is a term used to describe learning difficulties in children and adults, which can affect their ability to read, write and spell, and in some cases speech, memory and ability to learn rhythms or patterns.
It is difficult to know how many people have dyslexia, but it is estimated to affect 5-10% of the population. It is four times more common in boys than girls.
Famous people with dyslexia:**
- Richard Branson
- Leonardo da Vinci
- Thomas Edison
- Albert Einstein
- Steve Jobs
- Sir Steve Redgrave
For more information about dyslexia, including where to find help for yourself or your child, see the charity Dyslexia North East.
An academic at Durham University has said the term 'dyslexia' is unscientific and should be abandoned.
Professor Julian Elliott said many people do experience problems with reading, but that the diagnosis of dyslexia is used to describe too wide a range of problems.
In a book due to be released in March, researchers said the key task for teachers was to identify children struggling to read and intervene at a very early age, rather than spend time testing for a "questionable" diagnosis.