This video came from a longer presentation done by Greg Ollick Sr. the first day of the SHAA 2017 Convention held in Birmingham. In it he covers using your existing evoked potential equipent to do VEMPS. To learn more visit http://www.med-acoustics.com/home/products-menu-order-list/abr-assr/ or call (800) 749-8075. For Quotes jollick@med-acoustics.com