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Symbol Digit Modalities Test

Detects cognitive impairment in less than 5 minutes.

Symbol Digit Modalities Test (SDMT)
Aaron Smith, PhD
Purpose:Screen for organic cerebral dysfunction in both children and adults
Age range:8 to 78 years
Admin:Individual or group
Admin time:5 minutes
Qualification level:C
Click here for pricing.
 
 

Brief and easy to administer, the SDMT has demonstrated remarkable sensitivity in detecting not only the presence of brain damage but also changes in cognitive functioning over time and in response to treatment.

An economical way to screen apparently normal children and adults for cerebral dysfunction

  • A simple substitution task, the SDMT gives the examinee 90 seconds to pair specific numbers with given geometric figures.
  • Examinees can give either written or spoken responses, making the test well suited for use with individuals who have motor disabilities or speech disorders.
  • Because it involves only geometric figures and numbers, the SDMT is relatively free of cultural bias and can be administered to individuals who do not speak English.

Effective in a wide range of clinical applications

The SDMT has been documented as effective in the differentiation of brain-damaged patients from psychotic patients, the differentiation of organic disorders from depressive disorders, the early detection of senile dementia and Huntington’s disease, the differential diagnosis of children with learning disorders, and the early identification of children likely to have reading problems.

Note: Stopwatch is required for administration.

Kits
Item numberProduct descriptionList price
WW-4696-KTSymbol Digit Modalities Test Kit
includes SDMT Manual and 25 SDMT AutoScore™ Test Forms
$112.50
Manuals, Books, and Equipment
Item numberProduct descriptionList price
WW-4697-TMSDMT Manual $63.00
Forms and Booklets
Item numberProduct descriptionList price
WW-4698-ASSDMT AutoScore™ Test Forms (pkg/25)$56.00
Related Products
Frontal Systems Behavior Scale™ (FrSBe™)


Note: The Training Program and Graduate Student discounts cannot be applied to the items above.


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