CogniFit - Symbol Digit Modalities Test

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Symbol Digit Modalities Test

CAT-SDMT

This page is for information only. We do not sell any products that treat conditions. CogniFit's products to treat conditions are currently in validation process. If you are interested please visit CogniFit Research Platform

  • Get access to this neuropsychological assessment.

  • Cognitive assessment of your cognitive skills.

  • Compare results by age group. Give it a try!

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Technical Specifications

The CogniFit Symbol Digit Modalities Test is based on the classic Symbol Digit Modalities Test (Smith, 1968). This task is specifically aimed at measuring the user's processing speed and associative learning.

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For more information about what variables are measured in this task, read this document.

  • What is measured:Processing speed, selective attention, focused attention, visual scanning, working memory, and associative learning
  • Time allowed:2 minutes, approximately.
  • Areas of application:Educational Psychology, Clinical Psychology, Neuropsychology, General Medicine and Research.
  • Format:Online Computerized Test (PCs, cell phones, and tablets).
  • Objective:The objective of the task is to correctly identify the digit associated with each presented symbol as quickly and accurately as possible using the reference key.
  • Instructions:Select the number associated with the symbol noted in the table as fast as possible without making mistakes. You will have 90 seconds to answer as many symbols correctly as you can.
CAT-SDMT

References

Smith, A. (1968). The Symbol-Digit Modalities Test: A neuropsychologic test of learning and other cerebral disorders. In J. Helmuth (Ed.), Learning Disorders (pp. 83–91). Seattle, WA: Special Child Publications.

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