National Memory Screening Day November 13, 2012 at 3:55 PM CST - Updated June 28 at 2:15 PM Amarillo, TX - Amarillo Mayor Paul Harpole will be proclaiming today as National Memory Screening Day. Texas Tech Health Sciences Center will be offering free memory screenings Tuesday from 8:30 to 1:00. The tests are confidential and vender booths will be available. An estimated 5.1 million Americans have Alzheimer's disease. The screenings can serve as a starting point for early detection.