It means that individuals may feel pain or discomfort when they hear sounds that most people are able to tolerate. Hyperacusis is more prevalent in individuals with Down syndrome.
Can Down syndrome people hear?
Children with Down’s syndrome are more likely to have congenital permanent inner ear hearing loss than the general population (which has an incidence of 1:1000). From teenage years onwards they a likely to develop degenerative cochlear changes, and most will have a significant hearing loss by the age of 40 years.
Do people with Down syndrome sound different?
The voice quality of individuals with Down Syndrome (DS) is generally described as husky, monotonous and raucous. On the other hand, the voice of DS children is characterized by breathiness, roughness, and nasality and is typically low pitched.
How many children with Down syndrome have hearing loss?
Study results clearly revealed a high prevalence of hearing loss (36%) in children with Down syndrome. They can experience permanent (conductive, sensorineural, and mixed hearing losses were identified in significant numbers) and transient hearing loss secondary to a middle ear disease.
Why does Down syndrome affect the eyes?
The most common eye findings include: Refractive errors – Children with Down syndrome are more likely to need glasses than are other children. This may be due to myopia (near-sightedness), hyperopia (far-sightedness), and/or astigmatism. Refractive error may develop early in life or later on.
Can a Down syndrome child look normal?
Some of the children with Mosaic Down syndrome that we know do not actually look as if they have Down syndrome – the usual physical features are not obvious. This raises some important and difficult social issues and identity issues for both parents and children, which parents have discussed with us.
What are the 3 types of Down syndrome?
There are three types of Down syndrome:
- Trisomy 21. This is by far the most common type, where every cell in the body has three copies of chromosome 21 instead of two.
- Translocation Down syndrome. In this type, each cell has part of an extra chromosome 21, or an entirely extra one. …
- Mosaic Down syndrome.
What organs are affected by Down syndrome?
Down syndrome is a genetic disorder that can affect many different parts of the body. An extra part or whole Chromosome 21 is the cause of Down syndrome. It is the most common chromosomal abnormality. This syndrome can affect the heart, the brain, the hormone system and the skeleton.
What are the behavioral symptoms of Down syndrome?
Common learning and behavioral symptoms of Down syndrome include:
- Delays in speech and language development.
- Attention problems.
- Sleep difficulties.
- Stubbornness and tantrums.
- Delays in cognition.
- Delayed toilet training.