Embodied Cultured Networks: interfacing cortical networks to robots and animats
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Abstract
At the Laboratory for Neuroengineering at the Georgia Institute of Technology, we are creating a new research paradigm to span the gap between artificial neural network models and living
animals. These "semi-living" animals consist of neurons from rodent cortex grown in vitro on multi-electrode arrays, with two-way (closed-loop) connections to artificial bodies, whether
simulated or robotic. We use these embodied cultured networks to study the basis of information storage, processing and dynamics in neuronal circuits. Cultured networks have the
advantage of being much simpler and more accessible than intact brains, while retaining much of their rich dynamics. We have developed methods for training cultured networks to control
goal-directed behavior in animats by patterned multi-electrode stimulation. We also use multi-electrode stimulation to control epileptiform bursting in vitro. At the Emory University School
of Medicine we are translating this in vitro technique to an in vivo rodent epilepsy model, with the hope of developing brain stimulation therapies for patients with intractable epilepsy.
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Date
2005-05-27
Extent
10:53 minutes
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Moving Image
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Presentation