1. A Synergy in ISR There is opportunity for close cooperation between the study of (auditory) neuroethology, and research in communication, control, and signal processing. Challenges in understanding neuronal plasticity, learning, active sensing, neuromorphic computation and realization etc., can be addressed by engagement of the systems view – models, signals, formal languages, feedback loops, and hierarchies (levels). In the area of auditory neuroethology these challenges are being addressed by collaborative teams within ISR, leading to fundamental insights, algorithms, and technological advances (e.g. in robotics) Comments at ISR retreat, May 18, 2007

2. CRCNS: Innovative technologies inspired by biosonar Behavioral data Sonar recordings Acoustic gaze Trajectories RF telemetry Neural activity EMG signals Sonar cries/echoes Computational Modeling Feedback control systems Sonar-guided robots with neuromorphic signal processing University of Maryland, Institute for Systems Research & Neuroscience and Cognitive Science Program

3. Bat trajectory Insect trajectory Numerical curvatures of bat trajectory Theoretical curvatures of bat trajectories determined up to scaling by delayed feedback law Delayed scatter plot of data from 30 trials, lends support for feedback law with delay of 112 msec = delay