A Chicken's Motion-Detection Microcircuit (IMAGE) Washington University in St. Louis Caption This model circuit (right) duplicates the anatomy of the chicken microcircuit studied in Ralf Wessel's WUSTL lab (left). The complexity of the neuron's response arises from feedback loops in the circuit. Credit Ralf Wessel/WUSTL Usage Restrictions None 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.