Flickering Light Strips Used in Alzheimer's Mice Experiments (image) Georgia Institute of Technology Share Print E-Mail Caption A flickering light strip used to expose mice to 40 Hertz light stimuli in Annabelle Singer's lab. The exposure triggered very strong releases of signaling chemicals in the brain. Credit Georgia Tech / Allison Carter Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.