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:

Monaural Low Redundancy Category

The following items are usually categorized as “Auditory Figure Ground” tests. Click on the test name to learn more about the product.

This is not an exhaustive list. Other Auditory Figure Ground tests appear in Auditec’s catalog. Go to Auditec’s alphabetical price list to search for a specific test or email auditecinfo@auditec.com for further assistance.

NU-6 Time Compressed 30% & 60%

The NU-6 Time Compressed Words (30% & 60%) is an auditory processing disorder test in the category of monaural low redundancy. That is, the speech stimuli have been accelerated, but without a shift in pitch. For this product, the all four lists of NU-6 Form A words have been compressed at 30% and 60%.

The NU-6 Time Compressed Words (30% & 60%) includes a) audio recording, and b) word list. This product does not include instructions. The normative data provided with the NU-6 Time Compressed was based on the W-22 Time Compressed. It is for ages 11 and up. It is assumed that purchasers of Auditec’s products are well trained in their use, purpose, and interpretation. Available from Auditec, Inc. Call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping to contiguous US locations.

NU-6 Time Compressed Words (30% & 60%); Item 129; Price $82.25 USD + S&H*
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NOTE: Online ordering cannot be used for custom CDs. If you want this recording combined on a CD with other recordings, please email auditecinfo@auditec.com with your test selections along with your state or country instead of using the “Buy Now” button. You will receive a Paypal invoice for your custom order.

*INTERNATIONAL CUSTOMERS: Online ordering does not include shipping and handling charges. Please email auditecinfo@auditec.com with your test selections along with your state or country for an exact quote. If you use online ordering, you will be invoiced later for the shipping charges.

⇒If age-specific normative data is needed for young children, consider purchasing the Time Compressed Sentence Test instead.

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PSI

The Pediatric Speech Intelligibility Test-Standard version is a test for children ages 3 to 6. It fits in two important auditory processing domains. It can be categorized as both a dichotic test and a monaural low-redundancy speech test (monaural separation closure-MSC) sensitive to low brainstem.

The importance of speech audiometry, especially where the test materials include both monosyllabic words and sentences, has been well established for adults. Experience with performance vs. intensity (PI) functions and message to competition ratio (MCR) functions with adults led to the development of an analogous test for children; the Pediatric Speech Intelligibility (PSI) test.

The PSI-Standard includes both monosyllabic words and and two sets of sentences recorded in quiet and with competition (auditory figure ground). The test employs color plates with pictures of animals (animals were use to avoid ethnic biases) which represent either the sentences or the words. It is an extremely useful tool for the investigation of peripheral and auditory processing with children down to a language age of three or slightly younger.

The test includes: a) corresponding laminated color plates, b) audio test recording, and c) manual and score forms as printable pdf files. This extensive manual includes background, administration, and interpretation information including normative data for young children. Available from Auditec, Inc. Call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping to contiguous US.

Pediatric Speech Intelligibility Standard Version; Item 183; Price $299.00 USD + S&H*
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*INTERNATIONAL CUSTOMERS: Online ordering does not include shipping and handling charges. Please email auditecinfo@auditec.com with your test selections along with your state or country for an exact quote. If you use online ordering, you will be invoiced later for the shipping charges.

⇒What is the difference between the standard and basic version? Auditec recommends purchasing the PSI – Standard Version, which is the full test. It includes the words and two sets of sentence materials which allows for re-testing without having to use the same sentences. However, Auditec also offers the PSI – Basic Version for those with budget restraints. The PSI – Basic Version includes the words and only one set of sentences and should be used on patients who will be tested once.  (The PSI – Standard Version includes the PSI – Basic Version so it is unnecessary to buy both versions.)

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NU-6 Low Pass Filter 750 Hz

The NU-6 Low Pass Filter at 750 Hz is an auditory processing disorder test for adults. It is considered a monaural low-redundancy speech test (monaural separation closure-MSC) sensitive to brainstem and cortical lesions.

The NU-6 Low Pass Filter at 750 Hz includes a) audio recording, and b) instructions and word list. The NU-6 at 750 Hz includes data for adults only. It would be reasonable to expect children over the age of eleven to test as well (or nearly as well) as adults. Available from Auditec,Inc. Call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. All prices in USD plus S&H. Free shipping is available to locations within the contiguous US.

NU-6 Low Pass Filter@750 Hz*; Item 169-7; Price $65.00 + S&H*
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NOTE: Online ordering cannot be used for custom CDs. If you want this recording combined on a CD with other recordings, please email auditecinfo@auditec.com with your test selections along with your state or country instead of using the “Buy Now” button. You will receive a Paypal invoice for your custom order.

*INTERNATIONAL CUSTOMERS: Online ordering does not include shipping and handling charges. Please email auditecinfo@auditec.com with your test selections along with your state or country for an exact quote. If you use online ordering, you will be invoiced later for the shipping charges.

⇒Auditec sells a similar test called the NU-6 Low Pass Filter at 1000 Hz for children.

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SSI-CCM

The Synthetic Sentence Identification (SSI) can be used to: a) test speech intelligibility, b) test central auditory function, and c) evaluate hearing aid performance. It is considered appropriate for ages 11 and up. The primary signal consists of ten synthetic sentences. The competition is a male talker reading a passage about Davy Crockett. This contralateral competition version has sentences on the left track (channel) and competition on the right. It is a dichotic test using binaural integration sensitive to cortical vs. brain stem lesions.

The Synthetic Sentence Identification includes: a) audio test recording, b) instructions and score forms as printable pdf files. Normative data is included for hearing aid evaluation only. No normative data is included for the central auditory function; however, the audiologist can uncover useful insight by comparing the patient’s performance on the contralateral and ipsilateral presentations. Available from Auditec, Inc. Call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping within the contiguous US.

SSI Contralateral Competing Message version; Item 123; Price $104.75 USD + S&H*
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NOTE: Online ordering cannot be used for custom CDs. If you want this recording combined on a CD with other recordings, please email auditecinfo@auditec.com with your test selections along with your state or country instead of using the “Buy Now” button. You will receive a Paypal invoice for your custom order.

*INTERNATIONAL CUSTOMERS: Online ordering does not include shipping and handling charges. Please email auditecinfo@auditec.com with your test selections along with your state or country for an exact quote. If you use online ordering, you will be invoiced later for the shipping charges.

⇒Auditec also sells a Spanish Synthetic Sentence Identification – Contralateral Competing Message.

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SSI-ICM

The Synthetic Sentence Identification-Ipsilateral Competing Message (SSI-ICM) can be used to test speech intelligibility or test central auditory function. It is considered appropriate for ages 11 and up. The primary signal consists of ten synthetic sentences. The competition is a male talker reading a passage. This ipsilateral competition version has sentences and competition recorded on one track (channel) at various signal-to-noise ratios (S/N). The message-to-competition (MCR) is mixed at -20, -10, 0, +10, -20, -10, 0, +10, 0, & 0 dB per set of 10. It is considered a monaural low-redundancy test (monaural separation closure-MSC) sensitive to low brainstem lesions. It is an auditory figure ground test.

The Synthetic Sentence Identification-Ipsilateral Competing Competition includes: a) audio test recording, b) instructions and score forms as printable pdf files. Normative data is included for hearing aid evaluation only. No normative data is included for the central auditory function; however, the audiologist can uncover useful insight by comparing the patient’s performance on the contralateral and ipsilateral presentations. Available from Auditec, Inc. Call 1-800-669-9065 (from US) or 314-416-1050 (outside the US) to order. FREE shipping within the contiguous US.

SSI Ipsilateral Competing Message version; Item 136; Price $104.75 USD + S&H*
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NOTE: Online ordering cannot be used for custom CDs. If you want this recording combined on a CD with other recordings, please email auditecinfo@auditec.com with your test selections along with your state or country instead of using the “Buy Now” button. You will receive a Paypal invoice for your custom order.

*INTERNATIONAL CUSTOMERS: Online ordering does not include shipping and handling charges. Please email auditecinfo@auditec.com with your test selections along with your state or country for an exact quote. If you use online ordering, you will be invoiced later for the shipping charges.

⇒It may be unnecessary to purchase the Contralateral and Ipsilateral versions since the administrator can mix the channels at various signal-to-noise ratios using a dual-channel audiometer.

⇒Auditec also sells a Spanish Synthetic Sentence IdentificationIpsilateral Competing Message.

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