Auditory processing disorder (APD), also known as central auditory processing disorder (CAPD), is a hearing problem that affects about 5% of school-aged children.
Kids with this condition can't process what they hear in the same way other kids do because their ears and brain don't fully coordinate. Something interferes with the way the brain recognizes and interprets sounds, especially speech.
With the right therapy, kids with APD can be successful in school and life. Early diagnosis is important, because when the condition isn't caught and treated early, a child can have speech and language delays or problems learning in school.
Kids with APD are thought to hear normally because they can usually hear sounds that are delivered one at a time in a very quiet environment (such as a sound-treated room). The problem is that they usually don't recognize slight differences between sounds in words, even when the sounds are loud and clear enough to be heard.
These kinds of problems usually happen when there is background noise, which is often the case in social situations. So kids with APD can have trouble understanding what is being said to them when they're in noisy places like a playground, sports events, the school cafeteria, and parties.
Symptoms of APD can range from mild to severe and can take many different forms. If you think your child might have a problem processing sounds, ask yourself these questions:
APD is often misunderstood because many of the behaviors noted above also can accompany other problems, like learning disabilities, attention deficit hyperactivity disorder (ADHD), and even depression.
Often, the cause of a child's APD isn't known. Evidence suggests that head trauma, lead poisoning, and chronic ear infections could play a role. Sometimes, there can be multiple causes.
If you think your child is having trouble hearing or understanding when people talk, have an audiologist (hearing specialist) exam your child. Only audiologists can diagnose auditory processing disorder.
Audiologists look for five main problem areas in kids with APD:
Since most of the tests done to check for APD require a child to be at least 7 or 8 years old, many kids aren't diagnosed until then or later.
A child's auditory system isn't fully developed until age 15. So, many kids diagnosed with APD can develop better skills over time as their auditory system matures. While there is no known cure, speech-language therapy and assistive listening devices can help kids make sense of sounds and develop good communication skills.
A frequency modulation (FM) system is a type of assistive listening device that reduces background noise and makes a speaker's voice louder so a child can understand it. The speaker wears a tiny microphone and a transmitter, which sends an electrical signal to a wireless receiver that the child wears either on the ear or elsewhere on the body. It's portable and can be helpful in classroom settings.
A crucial part of making the FM system effective is ongoing therapy with a speech-language pathologist, who will help the child develop speaking and hearing skills. The speech-language pathologist or audiologist also may recommend tutoring programs.
Several computer-assisted programs are geared toward children with APD. They mainly help the brain do a better job of processing sounds in a noisy environment. Some schools offer these programs, so if your child has APD, be sure to ask school officials about what may be available.
Strategies applied at home and school can ease some of the problem behaviors associated with APD.
Kids with APD often have trouble following directions, so these suggestions may help:
Other tips that might help:
It's important for the people caring for your child to know about APD. Be sure to tell teachers and other school officials about the APD and how it may affect learning. Kids with APD aren't typically put in special education programs, but you may find that your child is eligible for a 504 plan through the school district that would outline any special needs for the classroom.
Some things that may help:
Keep in regular contact with school officials about your child's progress. One of the most important things that both parents and teachers can do is to acknowledge that APD is real. Its symptoms and behaviors are not something that a child can control. What the child can control is recognizing the problems associated with APD and using the strategies recommended both at home and school.
A positive, realistic attitude and healthy self-esteem in a child with APD can work wonders. And kids with APD can go on to be just as successful as other classmates. Coping strategies and techniques learned in speech therapy can help them go far.
Reviewed by: Thierry Morlet, PhD
Date reviewed: September 2014
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