Auditory Processing Disorder
Pronunciation: AW-di-tor-ee PROH-ses-ing dis-OR-dur
Also written as: APD — Auditory Processing Disorder
A deficit in the neural processing of auditory information that cannot be attributed to peripheral hearing loss, resulting in difficulties understanding speech, especially in noisy environments.
Full Definition
Auditory Processing Disorder (APD), sometimes called Central Auditory Processing Disorder (CAPD), is characterised by an impaired ability to process and interpret auditory signals despite normal peripheral hearing sensitivity. Individuals with APD may exhibit difficulty following complex verbal instructions, discriminating between similar-sounding words, and understanding speech in competing noise. Diagnosis requires a battery of specialized audiological tests administered by an audiologist, as standard pure-tone audiometry may yield normal results. In editorial contexts, editors must distinguish APD from language processing disorders, attention disorders, and hearing loss, as these conditions may co-occur but have distinct clinical definitions. The abbreviation 'CAPD' is considered by some professional bodies to be outdated; editors should use 'APD' unless the source document specifies otherwise.
Usage
Usage note: Use 'APD' as the preferred abbreviation in contemporary clinical writing; 'CAPD' is acceptable only when quoting older literature or when house style mandates it. Do not conflate APD with peripheral hearing loss in summaries.
In Context
- "The educational psychologist's report incorrectly labeled the child's difficulties as APD without reference to formal audiological testing." — Multidisciplinary team case review
- "Auditory Processing Disorder should not be abbreviated as 'CAPD' in documents adhering to BSA guidelines." — Clinical report editorial style guide