Does ImPACT require an external mouse? ImPACT was validated and normed using a mouse, so it is recommended. Updated on 01/28/2019 Tagged: ImPACT Was this article helpful? Yes No Related Articles Can post-injury testing be completed at home? Can baseline testing be completed at home? How do I use the scores provided in ImPACT Pediatric clinical reports? Why do I have to retake my baseline test? How do I add another user to my account? Who has access to clinical reports via ImPACT Passport IDs?