Localization Synapses (image) Max-Planck-Gesellschaft Caption This illustration shows sound localization synapses (Calyx of Held) in the brain stem of a mouse. The green areas are synapses that release neurotransmitters. The receiving cells are grey. Credit Max Planck Institute of Experimental Medicine, Benjamin. H. Cooper. Usage Restrictions None 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.