Model of Memory Formation (IMAGE) Cell Press Caption This graphic shows a model of memory formation in the central nervous system and the immune system Credit Westermann et al./<i>Trends in Neurosciences</i> 2015 Usage Restrictions Credit Required. License Licensed content 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.