Friendly multipatch instrument © Charité | Franz Xaver Mittermaier (IMAGE) Charité - Universitätsmedizin Berlin Caption Ten “feelers” to track deep sleep: This friendly-looking microscope was instrumental in decoding the effects of the slow waves typical of sleep. Equipped with ten glass pipettes that can be controlled precisely down to the nanometer using robot arms, it can stimulate and read the electrical activity of just as many nerve cells in the connected tissue. © Charité | Franz Xaver Mittermaier Credit © Charité | Franz Xaver Mittermaier Usage Restrictions Image may be used to cover the accompanying press release, provided that full credit is given. License Original 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.