Auditory Processing Disorders

By Dr. Novick in Los Gatos, California

Silicon Valley Hearing is not accepting new APD patients, effective March 1, 2024. For informational purposes, we have kept up our page about APD and also offer recommendations below on providers.

Effective March 1, 2024, our clinic will no longer be accepting new APD evaluation and treatment patients

Here are other professionals that offer APD evaluation and treatment services.

For the Bay Area:

Dimitra Loomos, Au.D. @ Auditory Pathways in San Ramon (https://www.auditorypathways.com/)

Melissa Wison-Beer, Au.D. & Morganne Frampton, Au.D. @ Sound Speech & Hearing in San Francisco (https://www.soundshc.com/).

For Sacramento area:

Tracy Volkman, Au.D. @ Sunshine Audiology (https://sunshineaudiology.com/).

For virtual/telehealth APD evaluations and treatment services:

Melissa Wison-Beer, Au.D. & Morganne Frampton, Au.D. @ Sound Speech & Hearing in San Francisco (https://www.soundshc.com/).

Amanda Levy, Au.D. @Levy Audiology (https://levyaudiology.com/)

What is an Auditory Processing Disorder?

Our ears are busy with the task of sending sounds from our outside world to the brain. Along the way, the central auditory pathway is responsible for decoding each individual sound, which allows our brain to attach meaning to a particular sound. It’s how we can determine what the sound is and determine what we need to do with it. Our brains have this magical way of stringing together individual complex beads of sounds, process those sounds and give us the ability to understand words, ready a story and sing a song. The brain is responsible for collecting and processing all the information it receives to paint the beautiful picture of our world.

While you or your child may have normal peripheral hearing (cochlea or sound organ), the dysfunction occurs beyond the cochlea in the central auditory processing pathway, which encompasses all the anatomical and processing mechanisms between the cochlear nuclei (in the brainstem) to the auditory cortex (auditory processing center of the brain). Somewhere along the way, sounds get jumbled and mixed up. APD is simply a disruption within auditory processing pathway that causes a breakdown in the brain’s ability to piece together the acoustic puzzle correctly. Manifestations of APD include delayed auditory development, learning problems and poor academic performance.

An APD test battery includes tests designed to challenge the auditory processing pathway. You will be tested using headphones in a sound proof booth. Several core tests are administered, in which you or your child are asked to repeat back information (words, numbers and pitches) presented to each ear individually or both ears binaurally. These tests give us the ability to assess the auditory skills of decoding, integration and prosody. It is our job to help determine which skill areas are affected and to help you plan what’s needed to improve your or your child’s auditory processing abilities.

Signs of Auditory Processing Challenges

  • Delayed speech and/or language development
  • Easily distracted by background noise and avoids social situations
  • Does not like loud sounds (often covers their ears)
  • Often says “What?” or asks for constant repetition
  • Inability to listen for long periods of time
  • Difficulty following multi-step verbal instructions
  • Low appreciation of music and songs
  • Learning difficulties (e.g. problems with phonics, reading comprehension, spelling and writing skills, and understanding math word problems)
  • Appears forgetful or easily confused
  • Does not get the “gist” of jokes/humor or understand sarcasm


The APD assessment battery consists of tests in the following skill set areas:

  • Peripheral auditory system: assessment of outer, middle and inner ear structures & function) - think, “comprehensive hearing test”
  • Auditory discrimination: ability to discriminate individual speech sounds
  • Dichotic Listening: binaural integration and separation
  • Binaural integration: evaluates the ability to integrate (combine) two different messages being presented to both ears (binaurally) simultaneously
  • Binaural separation: evaluates the ability to listen to auditory cues in one ear while ignoring competing auditory cues in the opposite ear
  • Temporal patterning: ability to recognize the order (sequence) or pattern of non-verbal acoustic signals; also, examines the rate (temporal resolution) at which we can process auditory information (rhythm and timing of spoken message)
  • Auditory closure: ability to “fill in the gaps” when parts of the acoustic signal is missing
  • Auditory figure ground discrimination: assesses the ability to understand speech while in presence of noise
  • Binaural interaction: ability to detect a signal embedded in noise and localization of auditory signals

 

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