Robogator with Rat (image) University of Washington Caption Pictured is a LEGO Mindstorms robot programmed to simulate predatory attack on a rat seeking food in a semi-naturalistic environment. The findings demonstrate that without the functioning amygdala and consequently devoid of fear, the animal's foraging behavior becomes perilously maladaptive, whereas an overactive amygdala hinders foraging decision even under safe circumstances. Credit Image courtesy of June-Seek Choi and Jeansok Kim. 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.