Kinship Neurons (IMAGE) University of California - San Diego Caption A confocal image of a tadpole brain reveals dopaminergic (green) neurons, the type increased in typical kinship recognition, and GABAergic (red) neurons, those elevated in cases of expanded social kinship. Credit UC San Diego Usage Restrictions Must be used in conjunction with Neuron study on social preference. 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.