Research is ongoing to pinpoint the direct cause of CAS. Studies show that a mutation of the FOXP2 gene leads to a severe form of CAS, along with other neurodevelopmental conditions like autism, attention-deficit/hyperactivity disorder and epilepsy. There is also evidence that genetic conditions can lead to a CAS diagnosis. In some cases, CAS is the result of an acquired brain injury, like a stroke, which causes nerve pathway interruptions in a person’s brain. Weakness or paralysis of the muscles involved in speech, including those of the lips, jaw and tongue, are not a cause of CAS. In children who have CAS, the messages from their brain to the parts of their mouth used for speech are not being sent correctly. These nerve pathways are responsible for planning the movements that are necessary for speech. The exact cause is unknown.Ĭhildren who have CAS may have interruptions in certain nerve pathways in their brains. ![]() ![]() Treatment may also include using supportive techniques such as augmentative communication (the use of voice output devices) or gesture communication, depending on the severity of their diagnosis.Ĭhildhood apraxia of speech occurs because of difficulty programming the movements needed for articulation (speech) to occur. Treatment should address the movement patterns required to produce speech appropriately and help to improve communication. Some children with CAS may have trouble eating, but for many children with CAS, only their speech is affected. Children with CAS have trouble carrying out the movements of their mouth to produce speech accurately even though the child knows what they want to say.Īlthough your child’s inability to speak is the reason for their diagnosis, they may also have trouble coordinating the movement of their mouth, lips and tongue. How will childhood apraxia of speech affect my child?Ĭhildhood apraxia of speech affects how your child communicates verbally. How common is childhood apraxia of speech?Ĭhildhood apraxia of speech is a rare condition that affects an estimated 1-2 out of every 1,000 children in the U.S. For example, the child may have difficulty drawing or picking up small things.
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