Schabus et. al (2017). Better than sham? A double-blind placebo-controlled neurofeedback study in primary insomnia. Posted on22/03/2017AuthorTara [featured_image] Download Download is available until [expire_date] Version Download 1 File Size 866.58 KB File Count 1 Create Date 22/03/2017 Last Updated 22/03/2017 Schabus et. al (2017). Better than sham? A double-blind placebo-controlled neurofeedback study in primary insomnia.