Showing posts with label children. Show all posts
Showing posts with label children. Show all posts

Monday, 7 October 2013

Tips for Parents About Childhood Hearing Loss

In early childhood, our sense of hearing plays a crucial role, providing the basis for speech and communication skills. If a hearing impairment is not diagnosed and treated at an early stage, this can have a negative impact on a child's personal development as well as educational, social and professional opportunities throughout life. Given this, it's critical that parents are able to recognize the signs of possible hearing loss early and take appropriate action quickly.
For young children, every day is a journey of discovery; using their five senses, they are continuously gaining impressions and constantly learning new things. If one of their sensory organs is damaged, this can have an adverse effect on their development as a whole, as is demonstrated particularly by the loss of the ability to hear.
"Only through hearing and imitating speech can children adapt their articulation, discover the meanings of words and ultimately learn how to construct sentences," explains Christine Jones, Au.D., CCC-A, Director of Pediatric Clinical Research at Phonak. "Generally, a child with normal development will acquire a basic command of language by the age of three or four."
However, children with untreated hearing impairment don't perceive auditory stimuli to a sufficient extent or fail to respond to them at all. This will severely delay their language acquisition and may even prevent them from ever learning to speak. Deficiencies at this stage of development are extremely difficult to overcome later on. Children affected by this often experience problems with interpersonal communication and feel socially isolated.
"That's why it is so important to ensure that hearing loss in young children doesn't go unnoticed for a long period of time," said Dr. Jones. "The goal is to provide appropriate amplification to children with hearing loss by six months of age. This treatment, along with medical and therapeutic care can help children develop at an appropriate rate for their age."
How can parents tell if their child cannot hear very well?If a child responds unusually slowly to acoustic stimuli or fails to react at all – when being spoken to from outside his or her field of vision, for example – or does not seem frightened by sudden loud noises such as a door slamming, this could be an early sign of hearing loss. Parents should also investigate the possibility of hearing impairment if they notice that their child is learning to speak at a much slower rate than other children of the same age or stops uttering any sounds. Another possible indication is monotonous babbling or when a young child produces a more limited variety of sounds than his or her peers.
What can be done to help children with hearing loss?If parents suspect that their child has a hearing impairment, they should consult a pediatrician, an Ear-Nose &Throat specialist or a pediatric audiologist immediately. Hearing loss can be treated in various ways depending on the type and severity of the impairment:
  • In many cases, hearing aids designed especially for children with a diagnosed hearing loss offer significant benefit. The correct hearing aid must be chosen individually for each child and will depend on various factors such as the degree of hearing loss and the needs of the child. Hearing aids are fitted individually by a pediatric audiologist.
  • Wireless radio systems, known as personal FM systems, can also be used to supplement hearing aids. The system includes a microphone worn by the child's parent or teacher and a receiver fitted onto the child's hearing aid. This system enables the child to clearly understand speech even over further distances or in situations with loud background noise.
If a hearing aid does not offer sufficient help, a cochlear implant (CI) may be an effective choice. Generally speaking, children who are one year old and older with the auditory nerve intact may be candidates for this surgical implant device.
"Other support such as speech and/or music therapy should also be considered as means to help young children's speech development at a rate appropriate for their age. This can also enhance the children's verbal and communication skills," explained Dr. Jones.
Useful tips for parents of children with hearing loss
  • Parents should treat their children as normally as possible.
  • Parents should speak as clearly as possible, maintain eye contact with their child when speaking, and teach their child to always look at the person talking to them. If the child does not understand everything they say, they should repeat what they said using different words.
  • Even at a very young age, children should be encouraged to ask if there is anything they have not understood correctly.
  • Parents should make sure that background noise is kept to a minimum when speaking to their child.
  • If parents read picture books to young children, they should bring the pictures to life with sounds as well as reading the text provided (e.g., imitating animal noises). This will enable children to imitate sounds and learn from an early stage how to participate verbally in communal reading.

SOURCE Hear the World Foundation

Tuesday, 17 September 2013

Can iPods cause hearing loss?


Free hearing tests for Canadian students

Students across Canada are being encouraged to test their hearing as part of MED-EL's national "Hearing to Excel" campaign to raise awareness around the growing health issue of hearing loss in Canada.
Timed to coincide with the new academic school year, the Hearing to Excel campaign is being led by MED-EL, a pioneer in the hearing space and provider of hearing implant systems worldwide, in partnership with VOICE for Hearing Impaired Children, one of the largest parent support organizations for families of children with hearing loss.
Canadian students of primary age will receive the opportunity to test their hearing using MED-EL's free online hearing test, an advanced, research-based test developed to assess speech and hearing abilities within minutes. In addition, all participants in the Hearing to Excel program will receive insights and advice from leading Canadian audiologists on how to protect their hearing.
"Hearing loss among young people in particular is a growing concern today amid the dramatic proliferation of mobile and home audio technology and we are thrilled to be bringing hearing health to the forefront and empowering children to take a more active role that will enhance their development and learning," said Lori Nikkel, executive director of VOICE. "Children with undiagnosed hearing loss face a tremendous risk in how well they reach their full potential academically, socially and emotionally. In many cases children are misdiagnosed as having learning disabilities or behavioural problems, so hearing tests are a crucial step in identifying problems that can be missed."
Studies show that hearing loss can impair development and academic achievement. According to Statistics Canada, 13 per cent of children (up to age 14) have some form of hearing disability that can hinder speech and language development and learning.
Noise induced hearing loss has been on the rise and damaging noise exposure has been identified as a major cause in children and teenagers.  One study by Harvard Medical School researchers, for example, found that one in five teenagers now have some degree of hearing loss - an increase of 30% compared to the early 1990s.
"Early testing and detection of hearing impairment is crucial to educational success and we are urging everyone to take part in the Hearing to Excel program," said Nikkel.
The MED-EL online hearing test which will help parents identify potential hearing issues in their children is being made available free of charge at:  http://www.medel.com/ca/hearing-test/.
In addition to the test, VOICE representatives and leading audiologists will be visiting schools in Toronto, Montreal, and Surrey, B.C. throughout September and during October, which is Learning Disabilities Awareness month. They will share an interactive hearing experience with students to demonstrate the impact of hearing loss and reinforce the importance of hearing health.  Children will have the opportunity to understand how hearing works, how they can protect their hearing and why hearing is so important when it comes to learning and excelling in life.
"Hearing loss is tied to many communication and developmental issues that can affect learning. By reaching students and providing them with the resources that they need to protect their health, we are arming our youth for a healthier and more successful future," said MED-EL co-founder Dr. Ingeborg Hochmair. "Our partnership with VOICE provides an excellent opportunity to educate Canadians about the growing issue of hearing loss and how to protect our invaluable sense of hearing."
More information about the MED-EL online hearing test is available at http://www.medel.com/ca/hearing-test/.  For parents with children under seven, MED-EL offers SoundScape to sharpen a child's listening through fun, interactive games at www.medel.com/resources-for-success-soundscape/.

Friday, 2 August 2013

Miley Cyrus in Haiti



We all hear the bad stories about celebrities.
This is a great story featuring pop diva Miley Cyrus who volunteered in Haiti with the Starkey Hearing Foundation in 2011.
 

Saturday, 9 March 2013

Cochlear impants: Are two better than one?


 
Are two cochlear implants in children better than one?

Dr. Karen Gordon thinks so, and she has new evidence to back it up.

Dr. Gordon has and her team at Sick Kids in Toronto have been studying the development of all the children who have gone through the cochlear implant program for the past two decades. This has given her an opportunity to study the brain activity of children from infancy to late teens. The studies have involved children with unilateral cochlear implantation, those who received a second implant at an early or later stage and those who received bilateral cochlear implants.

She says what they found was "amazing".

The brains of children who have had early bilateral cochlear intervention develop normally expected patterns of activity in parts of the brain that determine hearing function.

 
Early intervention is important to take advantage of developmental plasticity. “The newborn brain forms many new synapses,” she explains. “Some of these synapses, or connections between neurons, will become more efficient and others will be pruned away. These changes depend, to a large extent, on the input the brain receives. If we don’t provide the child with access to sound during this important period of brain development, we miss an important chance to promote connections which are important for hearing. “

Dr. Gordon supports her case using well known studies comparing the brain activity of children who have been deaf since birth and those who use sign language to see what happens when the brain develops without sound.

“Without sound, the auditory parts of the brain can be taken over by other senses including vision. The auditory brain becomes responsive to visual stimuli in adults who have been deaf for most of their lives and use sign language.” Is that because they are deaf or because they sign? This question was answered by studying CODAs, children of deaf adults. These are people who use sign language fluently but who have normal hearing. This group does not show the same reorganization in the auditory brain. That means that “The observed reorganization of the auditory brain occurred when it was deprived of hearing and not because sign language was used.”

“What is happening in development that would allow the auditory brain to process visual input? Let’s imagine a neuron sitting in the auditory cortex in a very young child who doesn’t hear well. If that neuron receives input from neurons which should carry auditory information and also from neurons which carry visual information, it will receive most of its information from the visual system. Donald Hebb suggested that, in this case, the target neuron will respond to clear input provided by the visual neurons and, over time, these synapses will become more mature and more efficient. In the meantime, connections from the auditory system provide limited input and can be pruned away.”

“If that happens, and the system matures in this way, this neuron and others like it in the auditory brain may have impaired responses to auditory input. That is not a good basis for re-establishing auditory function with a cochlear implant. We want to avoid this situation by providing children who are deaf with implants while the auditory system is still developing.”
 
 

Dr. Gordon explained that hundreds of children have gained hearing by receiving a unilateral cochlear implant at young ages but, she says, intervention has also meant that doctors have “changed the pathways because hearing is only provided from one cochlear implant”. “Just remember, we stimulated from one ear. The other ear was deprived all that time.”

When considering implantation, she says, doctors and audiologists must consider the importance of binaural hearing during development. “For children, binaural hearing is critical to localize sounds and hear in noise. It is not enough to give children audibility, they also need to be able to use this hearing in their daily lives.”

Audiologists can try to counter noise by using FM systems in classrooms. This technology is useful if the child needs to hear one person better than others.

“Children live beyond the classroom and beyond the sound booth. They need to hear in places where they’re forming social bonds-- on the playground, in school hallways. These are places where they need to communicate and where noise is often a serious problem.”

“In these situations, there are a lot of people talking all at once and they’re all moving, including the child with hearing loss. That child needs to distinguish multiple speakers in space so they need to hear from all directions. In these situations, FM systems and directional microphones are not going to help. This is why I’m focused on binaural hearing in children. Binaural hearing is an important normal process that we need to bring back to children with hearing loss.”

Dr. Gordon’s current research shows that bilateral cochlear implants can restore some binaural hearing when they are provided to young children simultaneously.

 Photos of bilateral implanted children courtesy of Cochlear Americas