ISNR Tool Kit for Neurofeedback as an Evidence-Based Treatment for ADHD Download these resources which can be used to present neurofeedback as an evidence based treatment for ADHD to insurance panels. Download listISNR Sponsored Study: NFB as an Evidence Based Treatment for ADHDAppeal Letter Template: In-NetworkAppeal Letter Template: Out-of-NetworkAuthorization for Release of InformationPreemptive Letter Template: In-NetworkPreemptive Letter Template: Out-of-Network