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The neuroecological context of group living
Dr. Sean O'Donnell is a Professor of Biodiversity Earth & Environmental Science at Drexel University, USA. His neuroscience research focuses on how brain structure plasticity & evolution are affected by social behavior, mainly using insects as models. He is also interested in tropical ecology & thermal physiology. He conducts field research & teaches field courses in Central & South America, as well as in the Negev Desert in Israel.
Neuroscience in the mud: interplay between lab and field research for understanding animal behavior
Investigations of the neurophysiological processes underlying animal behaviors are almost exclusively done inside the laboratory, typically using few animal models born and reared under artificially stabilized conditions. Yet, animals living in the wild have to cope with much complex and variable environments. Thus, while the laboratory provides the technical possibilities for physiological research, the field offers a more realistic perspective about the animal´s behavioral abilities. We study neural circuits underlying the visually guided prey and predator behaviors in a semiterrestrial crab. By combining lab and field experiments we have, for example, found that the level of predation risk experienced by the animals in the wild affects the responsiveness of identified neurons involved in the animal escape response. Using this and other results from my lab I will illustrate and discuss the importance of complementing lab with field studies in wild animals for understanding the neural mechanisms subserving behavior.
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