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White Noise


Gavi is a well-behaved, precocious third-grader. Gavi’s mother is concerned about Gavi because she does not react to instructions appropriately. Unless Gavi’s mother focuses exclusively on Gavi and gives her specific directions, Gavi appears to shut down and ignore everything she hears. For example, if Gavi’s mother wants everyone to get into the car she will call out instructions to all her children. “Everyone, put on your shoes and go out to the car!” The other kids will comply; Gavi will continue her activity and appear to ignore the instructions or be “spaced out.” Gavi’s teacher similarly reports that Gavi will ignore instructions in the classroom, especially if the classroom is noisy or other distractions are present. This is especially noticeable when the teacher is attempting to settle the class down and begin teaching at the start of the day. Gavi’s classroom includes a window facing the street, and whenever noise from the street filters into the room during class time, Gavi appears to shut down.

Assessment

Our assessment is that Gavi is not able to process information from multiple sources simultaneously.

Children with typical development can sift through multisensory stimuli to react to and concentrate only on the important information. For example, if the teacher is speaking at the front of the class and some students are whispering at the back of the classroom, a student can typically ignore the whispering and focus on the teacher.

Gavi lacks the ability to prioritize the important sensory input (foreground noise from the teacher) and tune out the unimportant sensory input (the background noise from the students). All the noise overwhelms her, and unable to make sense of what is going on around her, she simply shuts down.

Solution

Gavi had to learn to tolerate and integrate the degree of sensory input she would typically experience and make sense of it. To build this ability, we created situations where Gavi receives sensory input from multiple sources simultaneously. First, the therapist brushed Gavi’s hands with a sensory brush, identifying the activity by saying, “Now we’re brushing your hands.” Then she asked Gavi to sing the alphabet. Finally, she brushed Gavi’s hands while Gavi sang the alphabet, saying, “Now you are saying the alphabet while feeling the brush.”

Gavi learned to recognize multiple stimuli simultaneously and to identify each as distinct experience. As Gavi progressed, we added additional simultaneous stimuli so that Gavi was doing tasks that challenged all five of her sensory systems: vestibular, auditory, proprioceptive, tactile and visual.

Once her neural networks were strengthened to the point where she could identify several forms of input at the same time, the next step was to prioritize which stimulus to pay attention to and which to ignore. Instead of becoming paralyzed and overwhelmed, Gavi learned to zero in on the important stimuli and disregard the rest.

Gavi’s ability to perform in the classroom improved tremendously. Now when Gavi’s mother calls all the kids for supper, Gavi is the first to sit down at the table.