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July 12, 2012
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A technique is described for broadly opening the blood-brain barrier in the mouse using microbubbles and ultrasound. Using this technique, manganese can be administered to the mouse brain. Because manganese is an MRI contrast agent that accumulates in depolarized neurons, this approach enables imaging of neuronal activity.
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Howles, G. P., Qi, Y., Rosenzweig, S. J., Nightingale, K. R., Johnson, G. A. Functional Neuroimaging Using Ultrasonic Blood-brain Barrier Disruption and Manganese-enhanced MRI. J. Vis. Exp. (65), e4055, doi:10.3791/4055 (2012).
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