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How do the Behaviors Characteristic of Fragile X Syndrome Relate to Language and Communication Disorders?
 With persons who have fragile X syndrome, sensory processing, behavioral characteristics, cognitive
levels, and speech-language skills all seem to interact and affect each other. Speech and language characteristics are unique in this population, compared to other persons with developmental
disabilities, partially because of the behavioral symptoms characteristic of fragile X.
Pragmatic, or conversational, disorders are common to both males and females with fragile X syndrome. Shyness, anxiety, and the tendency toward sensory overload all contribute to pragmatic
disorders. Eye gaze aversion interferes with communication. Anxiety contributes to perseverative
(repetitive) speech and self-talk. Attention deficit disorders interfere with listening comprehension and maintenance of a topic in
conversation. And, crowded, loud, new situations cause behaviors that disrupt normal conversation.
Behavioral intervention, in both the form of medication and behavior management plans, can help language and communication skills
greatly. Once attention and anxiety are somewhat under control, persons with fragile X can better focus on conversation and communication.
Gail Harris-Schmidt, Ph.D., CCC-SLP
Saint Xavier University
Chicago, Illinois
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