![]() ![]() They may operate on an unusually high or unusually low level of activity. A child with sensory difficulties may be over-responsive or under-responsive to sensory input. Typically, dysfunction within the sensory systems presents in many different ways. When this occurs, we may notice that children respond in different or unusual ways than what we might expect. Like all of the sensory systems, the auditory system can over-respond or under-respond to input from the world around us. ![]() They are activities that calm and add focus so that children can better attend to their environment and sensory input or needs is less of a primary focus. Treatment activities may provide alerting input that help the child become more aware of their sensory needs through their mouth. The auditory system is integrated with somatosensory input in order to play a role in controlling orientation of the eyes, head, and body to sound. Information is projected to the central nervous system and transmits sound frequency as well as timing and intensity of sound input. Receptors for the auditory system are located in the inner ear and are responsible for receiving vibration from sound waves and changing them to fluid movement energy. For tips, tools, and strategies to integrate sensory processing information (in the right way) into daily life tasks like play, self-care, school, learning, and everyday functional tasks, check out The Sensory Lifestyle Handbook. This amazing study was a very significant one for the area of auditory training.This information on the auditory processing system is taken from my book, The Sensory Lifestyle Handbook. This phenomenon is called brain plasticity, which demonstrates that the brain can change, and reorganize. No wasted brain tissue, just reorganization! The brain actually changed in response to the stimulation it was receiving. But when they repeated the MRI, they found that this area of the brain that responded to high-frequency sounds had reorganized to respond to low and mid frequency sounds. Their hypothesis was that the area of the brain that previously received high frequency sounds would become weak, atrophic, or diminish in size. Next, they surgically destroyed inner ear high-frequency sound receptors so that the brain was no longer receiving that type of stimulation. ![]() These researchers mapped out the areas of the brain that responded to low frequency sounds, mid frequency sounds, and high-frequency sounds. An MRI was taken of an adult monkey's brain to determine which areas were being activated. There was a wonderful study done back in 1991 when functional MRIs first became available. For most persons with auditory processing weaknesses, improvement in hearing can be accomplished. It is also dependent on the motivation of the child or adult to complete the auditory training exercises. Whether it can be completely eliminated depends on the type of auditory processing disorder, and if there are any other conditions present, including ADHD, learning disabilities, autism spectrum disorder, sensory integration disorder or cognitive disability. This is the question that's on every parent’s mind and is my favorite one because auditory training is so amazing! The answer is Yes! Auditory processing weaknesses are treatable. ![]()
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