You'll find hundreds of files on cleft lip, cleft palate here on widesmiles.org.
This one is about: Clefting and Mental Retardation
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Clefting and Mental Retardation
A parent asks:
How often is cleft palate associated with mental retardation and how would this be detected in an infant?
Cleft affects the tissues of the obicularis muscle and the palate. Those tissues do not, in any way, affect developmental function (brain). There are occasions, and they are somewhat rare, when the cleft is a part of a larger condition - a syndrome - that also includes, as a part of the syndrome, mental retardation (not all syndromes also include mental retardation, by the way). When that happens - about 5% of all cleft conditions are syndrome-related, and most of those syndromes do not include mental retardation - the syndrome is usually apparent or suspected at birth.
In the past, with very late palate closure (ie, after the 3rd birthday) children with cleft were very difficult to understand, and deemed "retarded" by the schools. Also, before wide spread use of myringotomy tubes, recurring ear infections could compromise hearing to the extent that the child would fall behind in school. However, tubes, early surgeries, and speech therapy have changed all that. These kids do quite well in keeping up with (and often surpassing) their peers.
Mental retardation, in the absence of an identifiable syndrome, is NOT a real concern when it comes to a child with a cleft lip and/or palate.
If you have any further questions, please feel free to email me at firstname.lastname@example.org
Director, Wide Smiles Inc
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