What is the Cognitive Impairment Screener (CIS)? Cognitive Impairment Screener™ (CIS) is a brief, computerized cognitive impairment screening tool that helps you confidently identify individuals who need further assessment for neurocognitive deficits and mental illnesses. Updated on 12/15/2020 Was this article helpful? Yes No Related Articles What is the Two-Factor Score? What are the differences between ImPACT and ImPACT Version 4? Is ImPACT Version 4 available in languages other than English? How do I know whether I should use the Two-Factor Score or the 4 composite scores when interpretating the ImPACT Clinical Report data? How do I find the ImPACT test version? If I administer a post-injury test with ImPACT Version 4, can I compare it to a test taker’s baseline from an older version of ImPACT?