The Art of Hearing

Guide: Understanding CAPD

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is an umbrella term used to describe a variety of disorders that result in a breakdown of the hearing process. In short, our brain cannot make sense of what our ears hear, because the auditory signal is distorted in some way.

As a result, one of the biggest problems experienced by individuals with CAPD is difficulty listening when there is background noise—such as a classroom environment.

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CAPD Affects 2-5% of Children

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CAPD is thought to affect about 2-5% of children, but the percentage is not precisely known. Children with the disorder can display a number of behaviours similar to the symptoms associated with sensorineural hearing loss.

For example, they may complain that they find it difficult to hear when the classroom is noisy. These behaviours may become apparent in the early school years, or at a later stage of a child’s development, due to changes in the acoustic environment, or to increased academic demands.

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CAPD Symptoms

[/vc_column_text][vc_empty_space height=”10px”][vc_column_text]As a result of their difficulty hearing in noise, children with CAPD may suffer from ‘auditory fatigue’.

Have you ever been in a noisy restaurant, with cutlery and crockery clanging and lots of people talking? After a while, the effort of trying to hear in this environment can make you tired.

Could you imagine if this is what it was like for you every day? Sometimes it is just easier to stop trying to listen. Left untreated, this can be a common coping mechanism for children experiencing CAPD. They may ‘give up’ and even be labelled as ‘lazy’ or ‘withdrawn’. They may also ‘act out’ in an effort to divert attention from their inability to hear and process speech in the classroom.[/vc_column_text][vc_empty_space][/mkdf_elements_holder_item][/mkdf_elements_holder][/vc_column][/vc_row][vc_row row_content_width=”grid” css=”.vc_custom_1548660065838{padding-top: 100px !important;padding-bottom: 50px !important;}” simple_background_color=”#f0f4f7″][vc_column][mkdf_elements_holder holder_full_height=”no” number_of_columns=”one-column” switch_to_one_column=”768″ alignment_one_column=””][mkdf_elements_holder_item item_padding=”0 0 0 0px” item_padding_1367_1600=”0 0 0 123px” item_padding_1025_1366=”0 0 0 27px” item_padding_769_1024=”0 0 0 0″ item_padding_681_768=”0 0 0 0″ item_padding_680=”0 0 0 0″][vc_column_text]

Causes of CAPD

[/vc_column_text][vc_empty_space height=”10px”][vc_column_text]We don’t know exactly what causes this disorder, but we do know that the neural pathways of the central auditory nervous system are involved in some way.

Children who have experienced repeated episodes of otitis media or ‘glue ear’ may be particularly susceptible to CAPD. It’s thought that this is perhaps due to the fact that their hearing levels fluctuate during periods of infection, affecting normal exposure to sound and compromising development of the auditory pathways.

However, many cases of CAPD also present without this medical history.

Routine audiological tests will not diagnose CAPD, and pure tone audiometry results in this population are typically normal. If CAPD is suspected, assessment will involve a variety of specialised audiological tests.[/vc_column_text][vc_empty_space][/mkdf_elements_holder_item][/mkdf_elements_holder][/vc_column][/vc_row][vc_row row_content_width=”grid” css=”.vc_custom_1548660141718{padding-top: 100px !important;padding-bottom: 50px !important;}”][vc_column][mkdf_elements_holder holder_full_height=”no” number_of_columns=”one-column” switch_to_one_column=”768″ alignment_one_column=””][mkdf_elements_holder_item item_padding=”0 0 0 0px” item_padding_1367_1600=”0 0 0 123px” item_padding_1025_1366=”0 0 0 27px” item_padding_769_1024=”0 0 0 0″ item_padding_681_768=”0 0 0 0″ item_padding_680=”0 0 0 0″][vc_column_text]

What if it’s left untreated?

[/vc_column_text][vc_empty_space height=”10px”][vc_column_text]Although children with CAPD generally have normal overall intelligence, if left untreated it may lead to academic deficits in areas such as phonics, reading, and spelling. In fact, it may be the emergence of academic deficits that alerts a teacher, parent or other professional to suspect CAPD.

However, it is vitally important to determine whether a child’s difficulty comprehending speech in the classroom is actually related to this, or whether the child’s difficulty is caused by another disorder altogether (such as attention, memory or speech-language problems, or even anxiety and motivation).[/vc_column_text][vc_empty_space][/mkdf_elements_holder_item][/mkdf_elements_holder][/vc_column][/vc_row][vc_row row_content_width=”grid” css=”.vc_custom_1548660065838{padding-top: 100px !important;padding-bottom: 50px !important;}” simple_background_color=”#f0f4f7″][vc_column][mkdf_elements_holder holder_full_height=”no” number_of_columns=”one-column” switch_to_one_column=”768″ alignment_one_column=””][mkdf_elements_holder_item item_padding=”0 0 0 0px” item_padding_1367_1600=”0 0 0 123px” item_padding_1025_1366=”0 0 0 27px” item_padding_769_1024=”0 0 0 0″ item_padding_681_768=”0 0 0 0″ item_padding_680=”0 0 0 0″][vc_column_text]

What are the effects of CAPD?

[/vc_column_text][vc_empty_space height=”10px”][vc_column_text]So, what specific auditory abilities are affected if a child has CAPD?

The American Speech-Language-Hearing Association defined CAPD as a deficit in one or more of a number of skills including;

  • difficulties knowing where a sound is coming from (sound localisation)
  • the ability to detect changes in the duration of, and time intervals between auditory stimuli (temporal processing) and
  • the ability to detect spectral variations in auditory stimuli (particularly those that differentiate sounds according to formant transitions between phonemes).

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Treatment Options

[/vc_column_text][vc_empty_space height=”10px”][vc_column_text]If a child is diagnosed with CAPD, the treatment program will depend on the type of deficit that is diagnosed. A Personal Frequency Modulation (FM) device or sound-field amplification system can be used to improve the signal-to-noise ratio in the classroom.

The child might also be trained in auditory closure skills and vocabulary building to improve their ability to use contextual cues (such as images or gestures) to fill in missing sections of auditory information.

In this guide, emphasis has been placed on children with normal hearing thresholds who are experiencing CAPD. It is important to remember that Auditory Processing Problems in Adults are also common, and consulting an audiologist is the best way to make diagnoses and treatment plans.[/vc_column_text][vc_empty_space][/mkdf_elements_holder_item][/mkdf_elements_holder][/vc_column][/vc_row][vc_row row_content_width=”grid” css=”.vc_custom_1548661549204{padding-top: 100px !important;padding-bottom: 50px !important;}” simple_background_color=”#f0f4f7″][vc_column][mkdf_elements_holder holder_full_height=”no” number_of_columns=”one-column” switch_to_one_column=”768″ alignment_one_column=””][mkdf_elements_holder_item item_padding=”0 0 0 0px” item_padding_1367_1600=”0 0 0 123px” item_padding_1025_1366=”0 0 0 27px” item_padding_769_1024=”0 0 0 0″ item_padding_681_768=”0 0 0 0″ item_padding_680=”0 0 0 0″][vc_column_text]

What to do if you suspect a child has CAPD?

[/vc_column_text][vc_empty_space height=”10px”][vc_column_text]Early identification is important for children with CAPD. So, if you suspect your child may be having difficulties processing sounds, it’s important to speak about your concerns with our audiologists who are trained in the relevant treatment.
For further information download our CAPD Brochure, contact us at info@artofhearing.com.au or make an appointment at one of our convenient locations.[/vc_column_text][vc_empty_space][/mkdf_elements_holder_item][/mkdf_elements_holder][/vc_column][/vc_row]