Auditory Processing Disorder Testing

It is recommended that audiologists use established, reliable tests with both verbal and non-verbal stimuli that assess different auditory processes. Auditory Processing Disorder Tests are often broken down into four categories. The categories are 1) DICHOTIC LISTENING for binaural integration and separation, 2) TEMPORAL PROCESSING for auditory pattern temporal ordering-APTO and temporal resolution), 3) MONAURAL LOW-REDUNDANCY (monaural separation closure-MSC), and 4) BINAURAL INTERACTION. Auditec sells tests for each of these categories.

DICHOTIC LISTENINGPediatric Speech Intelligibility (ages 3-6); Competing Sentences (ages 5 and up); Dichotic Digits (ages 7 and up); Synthetic Sentence Identification-Contralateral Competing Message (ages 11 and up)

TEMPORAL TESTS: Random Gap Detection Test (non-verbal stimuli for ages 5 and up); Gaps In Noise (non-verbal stimuli for ages 7 and up); Pitch Pattern (non-verbal stimuli for ages 8 and up); Duration Pattern Sequence (non-verbal stimuli for ages 11 and up)

MONAURAL LOW-REDUNDANCY: Pediatric Speech Intelligibility (ages 3-6); Time Compressed Sentence Test (ages 6 and up); Time Compressed Word Lists (ages 11 and up); Low Pass Filtered Tests (ages 11 and up); Synthetic Sentence Identification – Ipsilateral Competing Message (ages 11 and up)

BINAURAL INTERACTION: Spondee Binaural Fusion (appropriate for children and adults); Rapid Alternating Speech (appropriate for children and adults); Masking Level Difference (appropriate for children and adults)

cUSTOMAuditec allows audiologists to design their own custom auditory processing disorder battery with any of the above tests. You can determine which tests will be used to examine based on your patient’s needs and age range. Once you have compiled a list of your test selections, email it along with your state/country to auditecinfo@auditec.com for an exact quote with ordering instructions.

You can receive several popular tests at a discounted price by selecting the APD Battery. The APD Battery (CD170-9) includes Gaps In Noise (GIN), Random Gap Detection Test-Standard (RGDT), Pitch (Frequency) Pattern Sequence – Musiek Version, Duration Pattern Sequence – Musiek Version, and Masking Level Difference-Tones.

I hope this information is helpful to you as you determine which auditory processing tests are right for you for your patients. If you want to learn more about auditory processing disorder assessment, Auditec recommends a book by Teri James called Assessment & Management of Central Auditory Processing Disorders (available on Amazon). You may also find these links helpful:

Masking Level Difference-Speech©

The Masking Level Difference-Speech© is an auditory processing disorder test. It is considered a binaural interaction test sensitive to low brainstem. This recording employs spondee words imbedded in speech spectrum noise bursts.  It is in two sections; section 1 is where both the noise and the spondees are in phase, section 2 is where the noise is in phase and the spondees are 180 degrees out of phase. A release from masking is expected in the latter section.

The Masking Level Difference-Speech© includes a) audio recording, and b) instructions and score form as printable pdf files. The one-page instructions contain administration, scoring, and interpretation information. Normative data is included, but it is not age-specific. Available from Auditec, Inc. Use the “Buy Now” button below or call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping within the contiguous US.

Masking Level Difference Speech© (CD Format); Item 204; Price $123.25 USD + S&H*
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©COPYRIGHT NOTICE: Auditec’s recordings are protected by copyright. One backup is permitted. Sharing, uploading to servers, publishing to the internet, and all other forms of distribution are prohibited. Email questions regarding copyright to auditecinfo@auditec.com.

*INTERNATIONAL CUSTOMERS: Importers are responsible for duties and taxes. Auditec advises your organization to contact your government to estimate tax prior to ordering.

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Rapid Alternating Speech©

The Rapid Alternating Speech© is an auditory processing disorder test for both children and adults using verbal stimuli. This binaural interaction test is sensitive to the low brainstem. It consists of a series of sentences that alternate between the ears as they are spoken. The period is 600 msec. with a 50% duty cycle (i.e. 300 msec. per ear).

Rapid Alternating Speech© includes a) audio recording, and b) instructions and sentence list. The one-page instructions includes information on administration, scoring, and interpretation. Normative data is included, but it is not age specific. Available from Auditec, Inc. Use the “Buy Now” button below or call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping to contiguous US.

Rapid Alternating Speech© (CD Format); Item 178; Price $65.00 USD + S&H*
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©COPYRIGHT NOTICE: Auditec’s recordings are protected by copyright. One backup is permitted. Sharing, uploading to servers, publishing to the internet, and all other forms of distribution are prohibited. Email questions regarding copyright to auditecinfo@auditec.com.

*INTERNATIONAL CUSTOMERS: Importers are responsible for duties and taxes. Auditec advises your organization to contact your government to estimate tax prior to ordering.

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Spondee Binaural Fusion©

The Spondee Binaural Fusion© is an auditory processing disorder test for both children and adults using verbal stimuli. It is considered a binaural interaction test. It consists of selected child spondee words which have been band-pass filtered in two frequency bands: one for one channel (ear) and the other for the second channel. The low band extends from 500 to 700 Hz, the high band from 1.9 kHz to 2.1 kHz. The recording begins with pulsed speech spectrum noise, passed through the same filters for the purpose of establishing thresholds for those particular frequency bands. These thresholds are to be used to establish the proper presentation levels. Administration time is approximately four minutes.

The Spondee Binaural Fusion© includes: a) audio recording, and b) instructions and word list. The one-page instructions include administration, scoring, and interpretation information. Normative data is included, but it is not age-specific.

©COPYRIGHT NOTICE: Auditec’s recordings are protected by copyright. Sharing, uploading to servers, publishing to the internet, and all other forms of distribution are prohibited.

Use the “Buy Now” button below or call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping to contiguous US locations. If you are an international customers, please note that importers are responsible for duties and taxes. Auditec advises your organization to contact your government to estimate tax prior to ordering.

Spondee Binaural Fusion© (CD Format); Item No. 173; Price $65.00 USD + S&H* 
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This recording is available in other formats. Email questions regarding copyright or other formats to auditecinfo@auditec.com.

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