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Imaging Functional magnetic resonance imaging is being done in rabbits and humans with our collaborators Alice Wyrwicz (rabbit, 4.7 Tesla high field strength magnet) and John Gabrieli (human, 3.0 Tesla magnet) and the Northwestern Brain Mapping Group (human, 1.5 Tesla magnet). Conceptually, these experiments complement our single neuron recording experiments by allowing us to evaluate multiple brain regions simultaneously. The human imaging experiments allow us to explore the generalizability of our work in humans to animals. We are examining synaptic changes at the electron microscopic level using quantitative unbiased stereological approaches in collaboration with Yuri Geinisman. |
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