Symbol Digit Modalities Test (SDMT)
~3 Minutes to Administer
Read Instructions to Administer
~$145 Approximate Cost
What It Measures
The Symbol Digit Modalities Test (SDMT) detects cognitive impairment in less than 5 minutes. This simple, economical test is an ideal way for busy clinicians to screen for organic cerebral dysfunction in both children (8 years and older) and adults.