Catherine Carr Co-Director (Biology) Systems-level analyses of the avian auditory brainstem incorporating physiology, anatomy, and modelling approaches; gene regulation, development, and evolution.   Cynthia F. Moss Co-Director (Psychology) Comparative sensory physiology and behavior; auditory information processing in bats; psychophysical studies of spatial perception by sonar; sensorimotor integration.   Avis Cohen (Biology) Neurophysiological and computational studies of motor behavior in lower vertebrates; rhythmic behavior and central pattern generators; locomotion; neural networks.   Robert Dooling (Psychology) Comparative psychoacoustics; hearing, vocal learning, and vocal development in birds; speech perception by animals; hair cell regeneration and recovery of auditory function.   William Hall (Psychology) Role of basal forebrain in vocal and social learning in birds; neuroanatomy of avian vocal control pathways; neural development and plasticity; language acquisition in humans   William Hodos (Psychology) Evolution of brain and behavior; comparative neuroanatomy, vision in birds; animal psychophysics; physiological optics; aging of the visual system; animal intelligence.   William Jeffery (Biology) Evolution of developmental mechanisms using molecular, cellular, and genetic approaches to investigate embryonic development in two animal systems: ascidians and teleost fishes.   Mary Ann Ottinger (Animal and Avian Sciences) Investigations of neuroendocrine regulation of reproductive processes and behavior in birds; processes of aging; cellular and molecular bases of neuroendocrine regulation.   Arther N. Popper (Biology) Comparative mechanisms of vertebrate hearing; hearing by fishes; evolution of sensory hair cells in the ear; development and regeneration of sensory cells.   Kerry Shaw (Biology) Experiments examine the behavioral, ecological, and genetic components of the cricket acoustic system. Use of molecular phylogenies to track radiation and divergence events. Ultimately, we hope to explain the role that acoustic communication has played in the diversification and speciation of these wonderfully musical creatures.   Todd Troyer (Psychology) Neural mechanisms subserving complex temporal behavior. 1)Behavioral analysis and computational modeling of vocal development in songbirds. 2) Neural encoding and dynamical processing in models of neural circuits.   David Yager (Psychology) Evolution of sensory systems; hearing in insects; CNS processing of auditory information; bat-insect interactions; praying mantis; tiger beetle, and cockroach acoustic behavior.