Fueling Brain Conversations (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption NIH scientists discovered that intense neural conversations thought to underlie learning and memory may be fueled by an energy-sensing feedback loop. Here scientist monitored energy levels in the form of ATP as neurons talked to each other. Credit Courtesy of Sheng lab NINDS/NIH. Usage Restrictions For educational purposes only. 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.